github.com/afumu/libc@v0.0.6/signal/signal_linux_arm.go (about)

     1  // Code generated by 'ccgo signal/gen.c -crt-import-path "" -export-defines "" -export-enums "" -export-externs X -export-fields F -export-structs "" -export-typedefs "" -header -hide _OSSwapInt16,_OSSwapInt32,_OSSwapInt64 -o signal/signal_linux_arm.go -pkgname signal', DO NOT EDIT.
     2  
     3  package signal
     4  
     5  import (
     6  	"math"
     7  	"reflect"
     8  	"sync/atomic"
     9  	"unsafe"
    10  )
    11  
    12  var _ = math.Pi
    13  var _ reflect.Kind
    14  var _ atomic.Value
    15  var _ unsafe.Pointer
    16  
    17  const (
    18  	MINSIGSTKSZ                  = 2048
    19  	NGREG                        = 18
    20  	NSIG                         = 65
    21  	SA_INTERRUPT                 = 0x20000000
    22  	SA_NOCLDSTOP                 = 1
    23  	SA_NOCLDWAIT                 = 2
    24  	SA_NODEFER                   = 0x40000000
    25  	SA_NOMASK                    = 1073741824
    26  	SA_ONESHOT                   = 2147483648
    27  	SA_ONSTACK                   = 0x08000000
    28  	SA_RESETHAND                 = 0x80000000
    29  	SA_RESTART                   = 0x10000000
    30  	SA_SIGINFO                   = 4
    31  	SA_STACK                     = 134217728
    32  	SIGABRT                      = 6
    33  	SIGALRM                      = 14
    34  	SIGBUS                       = 7
    35  	SIGCHLD                      = 17
    36  	SIGCLD                       = 17
    37  	SIGCONT                      = 18
    38  	SIGFPE                       = 8
    39  	SIGHUP                       = 1
    40  	SIGILL                       = 4
    41  	SIGINT                       = 2
    42  	SIGIO                        = 29
    43  	SIGIOT                       = 6
    44  	SIGKILL                      = 9
    45  	SIGPIPE                      = 13
    46  	SIGPOLL                      = 29
    47  	SIGPROF                      = 27
    48  	SIGPWR                       = 30
    49  	SIGQUIT                      = 3
    50  	SIGSEGV                      = 11
    51  	SIGSTKFLT                    = 16
    52  	SIGSTKSZ                     = 8192
    53  	SIGSTOP                      = 19
    54  	SIGSYS                       = 31
    55  	SIGTERM                      = 15
    56  	SIGTRAP                      = 5
    57  	SIGTSTP                      = 20
    58  	SIGTTIN                      = 21
    59  	SIGTTOU                      = 22
    60  	SIGURG                       = 23
    61  	SIGUSR1                      = 10
    62  	SIGUSR2                      = 12
    63  	SIGVTALRM                    = 26
    64  	SIGWINCH                     = 28
    65  	SIGXCPU                      = 24
    66  	SIGXFSZ                      = 25
    67  	SIG_BLOCK                    = 0
    68  	SIG_SETMASK                  = 2
    69  	SIG_UNBLOCK                  = 1
    70  	X_ASMARM_SIGCONTEXT_H        = 0
    71  	X_ATFILE_SOURCE              = 1
    72  	X_BITS_ENDIANNESS_H          = 1
    73  	X_BITS_ENDIAN_H              = 1
    74  	X_BITS_PTHREADTYPES_ARCH_H   = 1
    75  	X_BITS_PTHREADTYPES_COMMON_H = 1
    76  	X_BITS_SIGACTION_H           = 1
    77  	X_BITS_SIGCONTEXT_H          = 1
    78  	X_BITS_SIGEVENT_CONSTS_H     = 1
    79  	X_BITS_SIGINFO_ARCH_H        = 1
    80  	X_BITS_SIGINFO_CONSTS_H      = 1
    81  	X_BITS_SIGNUM_GENERIC_H      = 1
    82  	X_BITS_SIGNUM_H              = 1
    83  	X_BITS_SIGSTACK_H            = 1
    84  	X_BITS_SIGTHREAD_H           = 1
    85  	X_BITS_SS_FLAGS_H            = 1
    86  	X_BITS_TIME64_H              = 1
    87  	X_BITS_TYPESIZES_H           = 1
    88  	X_BITS_TYPES_H               = 1
    89  	X_BSD_SIZE_T_                = 0
    90  	X_BSD_SIZE_T_DEFINED_        = 0
    91  	X_DEFAULT_SOURCE             = 1
    92  	X_FEATURES_H                 = 1
    93  	X_FILE_OFFSET_BITS           = 64
    94  	X_GCC_SIZE_T                 = 0
    95  	X_NSIG                       = 65
    96  	X_POSIX_C_SOURCE             = 200809
    97  	X_POSIX_SOURCE               = 1
    98  	X_SIGNAL_H                   = 0
    99  	X_SIZET_                     = 0
   100  	X_SIZE_T                     = 0
   101  	X_SIZE_T_                    = 0
   102  	X_SIZE_T_DECLARED            = 0
   103  	X_SIZE_T_DEFINED             = 0
   104  	X_SIZE_T_DEFINED_            = 0
   105  	X_STDC_PREDEF_H              = 1
   106  	X_STRUCT_TIMESPEC            = 1
   107  	X_SYS_CDEFS_H                = 1
   108  	X_SYS_SIZE_T_H               = 0
   109  	X_SYS_UCONTEXT_H             = 1
   110  	X_THREAD_MUTEX_INTERNAL_H    = 1
   111  	X_THREAD_SHARED_TYPES_H      = 1
   112  	X_T_SIZE                     = 0
   113  	X_T_SIZE_                    = 0
   114  	Linux                        = 1
   115  	Unix                         = 1
   116  )
   117  
   118  // POSIX names to access some of the members.
   119  
   120  // sigevent constants.  Linux version.
   121  //    Copyright (C) 1997-2020 Free Software Foundation, Inc.
   122  //    This file is part of the GNU C Library.
   123  //
   124  //    The GNU C Library is free software; you can redistribute it and/or
   125  //    modify it under the terms of the GNU Lesser General Public
   126  //    License as published by the Free Software Foundation; either
   127  //    version 2.1 of the License, or (at your option) any later version.
   128  //
   129  //    The GNU C Library is distributed in the hope that it will be useful,
   130  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   131  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   132  //    Lesser General Public License for more details.
   133  //
   134  //    You should have received a copy of the GNU Lesser General Public
   135  //    License along with the GNU C Library; if not, see
   136  //    <https://www.gnu.org/licenses/>.
   137  
   138  // `sigev_notify' values.
   139  const ( /* sigevent-consts.h:27:1: */
   140  	SIGEV_SIGNAL = 0 // Notify via signal.
   141  	SIGEV_NONE   = 1 // Other notification: meaningless.
   142  	SIGEV_THREAD = 2 // Deliver via thread creation.
   143  
   144  	SIGEV_THREAD_ID = 4
   145  )
   146  
   147  // `si_code' values for SIGSEGV signal.
   148  const ( /* siginfo-consts.h:119:1: */
   149  	SEGV_MAPERR  = 1 // Address not mapped to object.
   150  	SEGV_ACCERR  = 2 // Invalid permissions for mapped object.
   151  	SEGV_BNDERR  = 3 // Bounds checking failure.
   152  	SEGV_PKUERR  = 4 // Protection key checking failure.
   153  	SEGV_ACCADI  = 5 // ADI not enabled for mapped object.
   154  	SEGV_ADIDERR = 6 // Disrupting MCD error.
   155  	SEGV_ADIPERR = 7
   156  )
   157  
   158  // `si_code' values for SIGBUS signal.
   159  const ( /* siginfo-consts.h:138:1: */
   160  	BUS_ADRALN    = 1 // Invalid address alignment.
   161  	BUS_ADRERR    = 2 // Non-existant physical address.
   162  	BUS_OBJERR    = 3 // Object specific hardware error.
   163  	BUS_MCEERR_AR = 4 // Hardware memory error: action required.
   164  	BUS_MCEERR_AO = 5
   165  )
   166  
   167  // `si_code' values for SIGCHLD signal.
   168  const ( /* siginfo-consts.h:172:1: */
   169  	CLD_EXITED    = 1 // Child has exited.
   170  	CLD_KILLED    = 2 // Child was killed.
   171  	CLD_DUMPED    = 3 // Child terminated abnormally.
   172  	CLD_TRAPPED   = 4 // Traced child has trapped.
   173  	CLD_STOPPED   = 5 // Child has stopped.
   174  	CLD_CONTINUED = 6
   175  )
   176  
   177  // `si_code' values for SIGPOLL signal.
   178  const ( /* siginfo-consts.h:189:1: */
   179  	POLL_IN  = 1 // Data input available.
   180  	POLL_OUT = 2 // Output buffers available.
   181  	POLL_MSG = 3 // Input message available.
   182  	POLL_ERR = 4 // I/O error.
   183  	POLL_PRI = 5 // High priority input available.
   184  	POLL_HUP = 6
   185  )
   186  
   187  // X/Open requires some more fields with fixed names.
   188  
   189  // siginfo constants.  Linux version.
   190  //    Copyright (C) 1997-2020 Free Software Foundation, Inc.
   191  //    This file is part of the GNU C Library.
   192  //
   193  //    The GNU C Library is free software; you can redistribute it and/or
   194  //    modify it under the terms of the GNU Lesser General Public
   195  //    License as published by the Free Software Foundation; either
   196  //    version 2.1 of the License, or (at your option) any later version.
   197  //
   198  //    The GNU C Library is distributed in the hope that it will be useful,
   199  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   200  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   201  //    Lesser General Public License for more details.
   202  //
   203  //    You should have received a copy of the GNU Lesser General Public
   204  //    License along with the GNU C Library; if not, see
   205  //    <https://www.gnu.org/licenses/>.
   206  
   207  // Most of these constants are uniform across all architectures, but there
   208  //    is one exception.
   209  // Architecture-specific adjustments to siginfo_t.
   210  
   211  // Values for `si_code'.  Positive values are reserved for kernel-generated
   212  //
   213  //	signals.
   214  const ( /* siginfo-consts.h:35:1: */
   215  	SI_ASYNCNL  = -60 // Sent by asynch name lookup completion.
   216  	SI_DETHREAD = -7  // Sent by execve killing subsidiary
   217  	// 				   threads.
   218  	SI_TKILL   = -6 // Sent by tkill.
   219  	SI_SIGIO   = -5 // Sent by queued SIGIO.
   220  	SI_ASYNCIO = -4 // Sent by AIO completion.
   221  	SI_MESGQ   = -3 // Sent by real time mesq state change.
   222  	SI_TIMER   = -2 // Sent by timer expiration.
   223  	SI_QUEUE   = -1 // Sent by sigqueue.
   224  	SI_USER    = 0  // Sent by kill, sigsend.
   225  	SI_KERNEL  = 128
   226  )
   227  
   228  // `si_code' values for SIGILL signal.
   229  const ( /* siginfo-consts.h:71:1: */
   230  	ILL_ILLOPC   = 1 // Illegal opcode.
   231  	ILL_ILLOPN   = 2 // Illegal operand.
   232  	ILL_ILLADR   = 3 // Illegal addressing mode.
   233  	ILL_ILLTRP   = 4 // Illegal trap.
   234  	ILL_PRVOPC   = 5 // Privileged opcode.
   235  	ILL_PRVREG   = 6 // Privileged register.
   236  	ILL_COPROC   = 7 // Coprocessor error.
   237  	ILL_BADSTK   = 8 // Internal stack error.
   238  	ILL_BADIADDR = 9
   239  )
   240  
   241  // `si_code' values for SIGFPE signal.
   242  const ( /* siginfo-consts.h:94:1: */
   243  	FPE_INTDIV   = 1  // Integer divide by zero.
   244  	FPE_INTOVF   = 2  // Integer overflow.
   245  	FPE_FLTDIV   = 3  // Floating point divide by zero.
   246  	FPE_FLTOVF   = 4  // Floating point overflow.
   247  	FPE_FLTUND   = 5  // Floating point underflow.
   248  	FPE_FLTRES   = 6  // Floating point inexact result.
   249  	FPE_FLTINV   = 7  // Floating point invalid operation.
   250  	FPE_FLTSUB   = 8  // Subscript out of range.
   251  	FPE_FLTUNK   = 14 // Undiagnosed floating-point exception.
   252  	FPE_CONDTRAP = 15
   253  )
   254  
   255  // sigstack, sigaltstack definitions.
   256  //    Copyright (C) 1998-2020 Free Software Foundation, Inc.
   257  //    This file is part of the GNU C Library.
   258  //
   259  //    The GNU C Library is free software; you can redistribute it and/or
   260  //    modify it under the terms of the GNU Lesser General Public
   261  //    License as published by the Free Software Foundation; either
   262  //    version 2.1 of the License, or (at your option) any later version.
   263  //
   264  //    The GNU C Library is distributed in the hope that it will be useful,
   265  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   266  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   267  //    Lesser General Public License for more details.
   268  //
   269  //    You should have received a copy of the GNU Lesser General Public
   270  //    License along with the GNU C Library; if not, see
   271  //    <https://www.gnu.org/licenses/>.
   272  
   273  // Minimum stack size for a signal handler.
   274  
   275  // System default stack size.
   276  
   277  // ss_flags values for stack_t.  Linux version.
   278  //    Copyright (C) 1998-2020 Free Software Foundation, Inc.
   279  //    This file is part of the GNU C Library.
   280  //
   281  //    The GNU C Library is free software; you can redistribute it and/or
   282  //    modify it under the terms of the GNU Lesser General Public
   283  //    License as published by the Free Software Foundation; either
   284  //    version 2.1 of the License, or (at your option) any later version.
   285  //
   286  //    The GNU C Library is distributed in the hope that it will be useful,
   287  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   288  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   289  //    Lesser General Public License for more details.
   290  //
   291  //    You should have received a copy of the GNU Lesser General Public
   292  //    License along with the GNU C Library; if not, see
   293  //    <https://www.gnu.org/licenses/>.
   294  
   295  // Possible values for `ss_flags'.
   296  const ( /* ss_flags.h:27:1: */
   297  	SS_ONSTACK = 1
   298  	SS_DISABLE = 2
   299  )
   300  
   301  // Number of each register is the `gregset_t' array.
   302  const ( /* ucontext.h:45:1: */
   303  	REG_R0  = 0
   304  	REG_R1  = 1
   305  	REG_R2  = 2
   306  	REG_R3  = 3
   307  	REG_R4  = 4
   308  	REG_R5  = 5
   309  	REG_R6  = 6
   310  	REG_R7  = 7
   311  	REG_R8  = 8
   312  	REG_R9  = 9
   313  	REG_R10 = 10
   314  	REG_R11 = 11
   315  	REG_R12 = 12
   316  	REG_R13 = 13
   317  	REG_R14 = 14
   318  	REG_R15 = 15
   319  )
   320  
   321  type Ptrdiff_t = int32 /* <builtin>:3:26 */
   322  
   323  type Size_t = uint32 /* <builtin>:9:23 */
   324  
   325  type Wchar_t = uint32 /* <builtin>:15:24 */
   326  
   327  type X__builtin_va_list = uintptr /* <builtin>:46:14 */
   328  type X__float128 = float64        /* <builtin>:47:21 */
   329  
   330  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   331  //    This file is part of the GNU C Library.
   332  //
   333  //    The GNU C Library is free software; you can redistribute it and/or
   334  //    modify it under the terms of the GNU Lesser General Public
   335  //    License as published by the Free Software Foundation; either
   336  //    version 2.1 of the License, or (at your option) any later version.
   337  //
   338  //    The GNU C Library is distributed in the hope that it will be useful,
   339  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   340  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   341  //    Lesser General Public License for more details.
   342  //
   343  //    You should have received a copy of the GNU Lesser General Public
   344  //    License along with the GNU C Library; if not, see
   345  //    <https://www.gnu.org/licenses/>.
   346  
   347  //	ISO C99 Standard: 7.14 Signal handling <signal.h>
   348  
   349  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   350  //    This file is part of the GNU C Library.
   351  //
   352  //    The GNU C Library is free software; you can redistribute it and/or
   353  //    modify it under the terms of the GNU Lesser General Public
   354  //    License as published by the Free Software Foundation; either
   355  //    version 2.1 of the License, or (at your option) any later version.
   356  //
   357  //    The GNU C Library is distributed in the hope that it will be useful,
   358  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   359  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   360  //    Lesser General Public License for more details.
   361  //
   362  //    You should have received a copy of the GNU Lesser General Public
   363  //    License along with the GNU C Library; if not, see
   364  //    <https://www.gnu.org/licenses/>.
   365  
   366  // These are defined by the user (or the compiler)
   367  //    to specify the desired environment:
   368  //
   369  //    __STRICT_ANSI__	ISO Standard C.
   370  //    _ISOC99_SOURCE	Extensions to ISO C89 from ISO C99.
   371  //    _ISOC11_SOURCE	Extensions to ISO C99 from ISO C11.
   372  //    _ISOC2X_SOURCE	Extensions to ISO C99 from ISO C2X.
   373  //    __STDC_WANT_LIB_EXT2__
   374  // 			Extensions to ISO C99 from TR 27431-2:2010.
   375  //    __STDC_WANT_IEC_60559_BFP_EXT__
   376  // 			Extensions to ISO C11 from TS 18661-1:2014.
   377  //    __STDC_WANT_IEC_60559_FUNCS_EXT__
   378  // 			Extensions to ISO C11 from TS 18661-4:2015.
   379  //    __STDC_WANT_IEC_60559_TYPES_EXT__
   380  // 			Extensions to ISO C11 from TS 18661-3:2015.
   381  //
   382  //    _POSIX_SOURCE	IEEE Std 1003.1.
   383  //    _POSIX_C_SOURCE	If ==1, like _POSIX_SOURCE; if >=2 add IEEE Std 1003.2;
   384  // 			if >=199309L, add IEEE Std 1003.1b-1993;
   385  // 			if >=199506L, add IEEE Std 1003.1c-1995;
   386  // 			if >=200112L, all of IEEE 1003.1-2004
   387  // 			if >=200809L, all of IEEE 1003.1-2008
   388  //    _XOPEN_SOURCE	Includes POSIX and XPG things.  Set to 500 if
   389  // 			Single Unix conformance is wanted, to 600 for the
   390  // 			sixth revision, to 700 for the seventh revision.
   391  //    _XOPEN_SOURCE_EXTENDED XPG things and X/Open Unix extensions.
   392  //    _LARGEFILE_SOURCE	Some more functions for correct standard I/O.
   393  //    _LARGEFILE64_SOURCE	Additional functionality from LFS for large files.
   394  //    _FILE_OFFSET_BITS=N	Select default filesystem interface.
   395  //    _ATFILE_SOURCE	Additional *at interfaces.
   396  //    _GNU_SOURCE		All of the above, plus GNU extensions.
   397  //    _DEFAULT_SOURCE	The default set of features (taking precedence over
   398  // 			__STRICT_ANSI__).
   399  //
   400  //    _FORTIFY_SOURCE	Add security hardening to many library functions.
   401  // 			Set to 1 or 2; 2 performs stricter checks than 1.
   402  //
   403  //    _REENTRANT, _THREAD_SAFE
   404  // 			Obsolete; equivalent to _POSIX_C_SOURCE=199506L.
   405  //
   406  //    The `-ansi' switch to the GNU C compiler, and standards conformance
   407  //    options such as `-std=c99', define __STRICT_ANSI__.  If none of
   408  //    these are defined, or if _DEFAULT_SOURCE is defined, the default is
   409  //    to have _POSIX_SOURCE set to one and _POSIX_C_SOURCE set to
   410  //    200809L, as well as enabling miscellaneous functions from BSD and
   411  //    SVID.  If more than one of these are defined, they accumulate.  For
   412  //    example __STRICT_ANSI__, _POSIX_SOURCE and _POSIX_C_SOURCE together
   413  //    give you ISO C, 1003.1, and 1003.2, but nothing else.
   414  //
   415  //    These are defined by this file and are used by the
   416  //    header files to decide what to declare or define:
   417  //
   418  //    __GLIBC_USE (F)	Define things from feature set F.  This is defined
   419  // 			to 1 or 0; the subsequent macros are either defined
   420  // 			or undefined, and those tests should be moved to
   421  // 			__GLIBC_USE.
   422  //    __USE_ISOC11		Define ISO C11 things.
   423  //    __USE_ISOC99		Define ISO C99 things.
   424  //    __USE_ISOC95		Define ISO C90 AMD1 (C95) things.
   425  //    __USE_ISOCXX11	Define ISO C++11 things.
   426  //    __USE_POSIX		Define IEEE Std 1003.1 things.
   427  //    __USE_POSIX2		Define IEEE Std 1003.2 things.
   428  //    __USE_POSIX199309	Define IEEE Std 1003.1, and .1b things.
   429  //    __USE_POSIX199506	Define IEEE Std 1003.1, .1b, .1c and .1i things.
   430  //    __USE_XOPEN		Define XPG things.
   431  //    __USE_XOPEN_EXTENDED	Define X/Open Unix things.
   432  //    __USE_UNIX98		Define Single Unix V2 things.
   433  //    __USE_XOPEN2K        Define XPG6 things.
   434  //    __USE_XOPEN2KXSI     Define XPG6 XSI things.
   435  //    __USE_XOPEN2K8       Define XPG7 things.
   436  //    __USE_XOPEN2K8XSI    Define XPG7 XSI things.
   437  //    __USE_LARGEFILE	Define correct standard I/O things.
   438  //    __USE_LARGEFILE64	Define LFS things with separate names.
   439  //    __USE_FILE_OFFSET64	Define 64bit interface as default.
   440  //    __USE_MISC		Define things from 4.3BSD or System V Unix.
   441  //    __USE_ATFILE		Define *at interfaces and AT_* constants for them.
   442  //    __USE_GNU		Define GNU extensions.
   443  //    __USE_FORTIFY_LEVEL	Additional security measures used, according to level.
   444  //
   445  //    The macros `__GNU_LIBRARY__', `__GLIBC__', and `__GLIBC_MINOR__' are
   446  //    defined by this file unconditionally.  `__GNU_LIBRARY__' is provided
   447  //    only for compatibility.  All new code should use the other symbols
   448  //    to test for features.
   449  //
   450  //    All macros listed above as possibly being defined by this file are
   451  //    explicitly undefined if they are not explicitly defined.
   452  //    Feature-test macros that are not defined by the user or compiler
   453  //    but are implied by the other feature-test macros defined (or by the
   454  //    lack of any definitions) are defined by the file.
   455  //
   456  //    ISO C feature test macros depend on the definition of the macro
   457  //    when an affected header is included, not when the first system
   458  //    header is included, and so they are handled in
   459  //    <bits/libc-header-start.h>, which does not have a multiple include
   460  //    guard.  Feature test macros that can be handled from the first
   461  //    system header included are handled here.
   462  
   463  // Undefine everything, so we get a clean slate.
   464  
   465  // Suppress kernel-name space pollution unless user expressedly asks
   466  //    for it.
   467  
   468  // Convenience macro to test the version of gcc.
   469  //    Use like this:
   470  //    #if __GNUC_PREREQ (2,8)
   471  //    ... code requiring gcc 2.8 or later ...
   472  //    #endif
   473  //    Note: only works for GCC 2.0 and later, because __GNUC_MINOR__ was
   474  //    added in 2.0.
   475  
   476  // Similarly for clang.  Features added to GCC after version 4.2 may
   477  //    or may not also be available in clang, and clang's definitions of
   478  //    __GNUC(_MINOR)__ are fixed at 4 and 2 respectively.  Not all such
   479  //    features can be queried via __has_extension/__has_feature.
   480  
   481  // Whether to use feature set F.
   482  
   483  // _BSD_SOURCE and _SVID_SOURCE are deprecated aliases for
   484  //    _DEFAULT_SOURCE.  If _DEFAULT_SOURCE is present we do not
   485  //    issue a warning; the expectation is that the source is being
   486  //    transitioned to use the new macro.
   487  
   488  // If _GNU_SOURCE was defined by the user, turn on all the other features.
   489  
   490  // If nothing (other than _GNU_SOURCE and _DEFAULT_SOURCE) is defined,
   491  //    define _DEFAULT_SOURCE.
   492  
   493  // This is to enable the ISO C2X extension.
   494  
   495  // This is to enable the ISO C11 extension.
   496  
   497  // This is to enable the ISO C99 extension.
   498  
   499  // This is to enable the ISO C90 Amendment 1:1995 extension.
   500  
   501  // If none of the ANSI/POSIX macros are defined, or if _DEFAULT_SOURCE
   502  //    is defined, use POSIX.1-2008 (or another version depending on
   503  //    _XOPEN_SOURCE).
   504  
   505  // Some C libraries once required _REENTRANT and/or _THREAD_SAFE to be
   506  //    defined in all multithreaded code.  GNU libc has not required this
   507  //    for many years.  We now treat them as compatibility synonyms for
   508  //    _POSIX_C_SOURCE=199506L, which is the earliest level of POSIX with
   509  //    comprehensive support for multithreaded code.  Using them never
   510  //    lowers the selected level of POSIX conformance, only raises it.
   511  
   512  // The function 'gets' existed in C89, but is impossible to use
   513  //    safely.  It has been removed from ISO C11 and ISO C++14.  Note: for
   514  //    compatibility with various implementations of <cstdio>, this test
   515  //    must consider only the value of __cplusplus when compiling C++.
   516  
   517  // GNU formerly extended the scanf functions with modified format
   518  //    specifiers %as, %aS, and %a[...] that allocate a buffer for the
   519  //    input using malloc.  This extension conflicts with ISO C99, which
   520  //    defines %a as a standalone format specifier that reads a floating-
   521  //    point number; moreover, POSIX.1-2008 provides the same feature
   522  //    using the modifier letter 'm' instead (%ms, %mS, %m[...]).
   523  //
   524  //    We now follow C99 unless GNU extensions are active and the compiler
   525  //    is specifically in C89 or C++98 mode (strict or not).  For
   526  //    instance, with GCC, -std=gnu11 will have C99-compliant scanf with
   527  //    or without -D_GNU_SOURCE, but -std=c89 -D_GNU_SOURCE will have the
   528  //    old extension.
   529  
   530  // Get definitions of __STDC_* predefined macros, if the compiler has
   531  //    not preincluded this header automatically.
   532  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   533  //    This file is part of the GNU C Library.
   534  //
   535  //    The GNU C Library is free software; you can redistribute it and/or
   536  //    modify it under the terms of the GNU Lesser General Public
   537  //    License as published by the Free Software Foundation; either
   538  //    version 2.1 of the License, or (at your option) any later version.
   539  //
   540  //    The GNU C Library is distributed in the hope that it will be useful,
   541  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   542  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   543  //    Lesser General Public License for more details.
   544  //
   545  //    You should have received a copy of the GNU Lesser General Public
   546  //    License along with the GNU C Library; if not, see
   547  //    <https://www.gnu.org/licenses/>.
   548  
   549  // This macro indicates that the installed library is the GNU C Library.
   550  //    For historic reasons the value now is 6 and this will stay from now
   551  //    on.  The use of this variable is deprecated.  Use __GLIBC__ and
   552  //    __GLIBC_MINOR__ now (see below) when you want to test for a specific
   553  //    GNU C library version and use the values in <gnu/lib-names.h> to get
   554  //    the sonames of the shared libraries.
   555  
   556  // Major and minor version number of the GNU C library package.  Use
   557  //    these macros to test for features in specific releases.
   558  
   559  // This is here only because every header file already includes this one.
   560  // Copyright (C) 1992-2020 Free Software Foundation, Inc.
   561  //    This file is part of the GNU C Library.
   562  //
   563  //    The GNU C Library is free software; you can redistribute it and/or
   564  //    modify it under the terms of the GNU Lesser General Public
   565  //    License as published by the Free Software Foundation; either
   566  //    version 2.1 of the License, or (at your option) any later version.
   567  //
   568  //    The GNU C Library is distributed in the hope that it will be useful,
   569  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   570  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   571  //    Lesser General Public License for more details.
   572  //
   573  //    You should have received a copy of the GNU Lesser General Public
   574  //    License along with the GNU C Library; if not, see
   575  //    <https://www.gnu.org/licenses/>.
   576  
   577  // We are almost always included from features.h.
   578  
   579  // The GNU libc does not support any K&R compilers or the traditional mode
   580  //    of ISO C compilers anymore.  Check for some of the combinations not
   581  //    anymore supported.
   582  
   583  // Some user header file might have defined this before.
   584  
   585  // All functions, except those with callbacks or those that
   586  //    synchronize memory, are leaf functions.
   587  
   588  // GCC can always grok prototypes.  For C++ programs we add throw()
   589  //    to help it optimize the function calls.  But this works only with
   590  //    gcc 2.8.x and egcs.  For gcc 3.2 and up we even mark C functions
   591  //    as non-throwing using a function attribute since programs can use
   592  //    the -fexceptions options for C code as well.
   593  
   594  // Compilers that are not clang may object to
   595  //        #if defined __clang__ && __has_extension(...)
   596  //    even though they do not need to evaluate the right-hand side of the &&.
   597  
   598  // These two macros are not used in glibc anymore.  They are kept here
   599  //    only because some other projects expect the macros to be defined.
   600  
   601  // For these things, GCC behaves the ANSI way normally,
   602  //    and the non-ANSI way under -traditional.
   603  
   604  // This is not a typedef so `const __ptr_t' does the right thing.
   605  
   606  // C++ needs to know that types and declarations are C, not C++.
   607  
   608  // Fortify support.
   609  
   610  // Support for flexible arrays.
   611  //    Headers that should use flexible arrays only if they're "real"
   612  //    (e.g. only if they won't affect sizeof()) should test
   613  //    #if __glibc_c99_flexarr_available.
   614  
   615  // __asm__ ("xyz") is used throughout the headers to rename functions
   616  //    at the assembly language level.  This is wrapped by the __REDIRECT
   617  //    macro, in order to support compilers that can do this some other
   618  //    way.  When compilers don't support asm-names at all, we have to do
   619  //    preprocessor tricks instead (which don't have exactly the right
   620  //    semantics, but it's the best we can do).
   621  //
   622  //    Example:
   623  //    int __REDIRECT(setpgrp, (__pid_t pid, __pid_t pgrp), setpgid);
   624  
   625  //
   626  // #elif __SOME_OTHER_COMPILER__
   627  //
   628  // # define __REDIRECT(name, proto, alias) name proto; 	_Pragma("let " #name " = " #alias)
   629  
   630  // GCC has various useful declarations that can be made with the
   631  //    `__attribute__' syntax.  All of the ways we use this do fine if
   632  //    they are omitted for compilers that don't understand it.
   633  
   634  // At some point during the gcc 2.96 development the `malloc' attribute
   635  //    for functions was introduced.  We don't want to use it unconditionally
   636  //    (although this would be possible) since it generates warnings.
   637  
   638  // Tell the compiler which arguments to an allocation function
   639  //    indicate the size of the allocation.
   640  
   641  // At some point during the gcc 2.96 development the `pure' attribute
   642  //    for functions was introduced.  We don't want to use it unconditionally
   643  //    (although this would be possible) since it generates warnings.
   644  
   645  // This declaration tells the compiler that the value is constant.
   646  
   647  // At some point during the gcc 3.1 development the `used' attribute
   648  //    for functions was introduced.  We don't want to use it unconditionally
   649  //    (although this would be possible) since it generates warnings.
   650  
   651  // Since version 3.2, gcc allows marking deprecated functions.
   652  
   653  // Since version 4.5, gcc also allows one to specify the message printed
   654  //    when a deprecated function is used.  clang claims to be gcc 4.2, but
   655  //    may also support this feature.
   656  
   657  // At some point during the gcc 2.8 development the `format_arg' attribute
   658  //    for functions was introduced.  We don't want to use it unconditionally
   659  //    (although this would be possible) since it generates warnings.
   660  //    If several `format_arg' attributes are given for the same function, in
   661  //    gcc-3.0 and older, all but the last one are ignored.  In newer gccs,
   662  //    all designated arguments are considered.
   663  
   664  // At some point during the gcc 2.97 development the `strfmon' format
   665  //    attribute for functions was introduced.  We don't want to use it
   666  //    unconditionally (although this would be possible) since it
   667  //    generates warnings.
   668  
   669  // The nonull function attribute allows to mark pointer parameters which
   670  //    must not be NULL.
   671  
   672  // If fortification mode, we warn about unused results of certain
   673  //    function calls which can lead to problems.
   674  
   675  // Forces a function to be always inlined.
   676  // The Linux kernel defines __always_inline in stddef.h (283d7573), and
   677  //    it conflicts with this definition.  Therefore undefine it first to
   678  //    allow either header to be included first.
   679  
   680  // Associate error messages with the source location of the call site rather
   681  //    than with the source location inside the function.
   682  
   683  // GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
   684  //    inline semantics, unless -fgnu89-inline is used.  Using __GNUC_STDC_INLINE__
   685  //    or __GNUC_GNU_INLINE is not a good enough check for gcc because gcc versions
   686  //    older than 4.3 may define these macros and still not guarantee GNU inlining
   687  //    semantics.
   688  //
   689  //    clang++ identifies itself as gcc-4.2, but has support for GNU inlining
   690  //    semantics, that can be checked for by using the __GNUC_STDC_INLINE_ and
   691  //    __GNUC_GNU_INLINE__ macro definitions.
   692  
   693  // GCC 4.3 and above allow passing all anonymous arguments of an
   694  //    __extern_always_inline function to some other vararg function.
   695  
   696  // It is possible to compile containing GCC extensions even if GCC is
   697  //    run in pedantic mode if the uses are carefully marked using the
   698  //    `__extension__' keyword.  But this is not generally available before
   699  //    version 2.8.
   700  
   701  // __restrict is known in EGCS 1.2 and above.
   702  
   703  // ISO C99 also allows to declare arrays as non-overlapping.  The syntax is
   704  //      array_name[restrict]
   705  //    GCC 3.1 supports this.
   706  
   707  // Describes a char array whose address can safely be passed as the first
   708  //    argument to strncpy and strncat, as the char array is not necessarily
   709  //    a NUL-terminated string.
   710  
   711  // Undefine (also defined in libc-symbols.h).
   712  // Copies attributes from the declaration or type referenced by
   713  //    the argument.
   714  
   715  // Copyright (C) 1999-2020 Free Software Foundation, Inc.
   716  //    This file is part of the GNU C Library.
   717  //
   718  //    The GNU C Library is free software; you can redistribute it and/or
   719  //    modify it under the terms of the GNU Lesser General Public
   720  //    License as published by the Free Software Foundation; either
   721  //    version 2.1 of the License, or (at your option) any later version.
   722  //
   723  //    The GNU C Library is distributed in the hope that it will be useful,
   724  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   725  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   726  //    Lesser General Public License for more details.
   727  //
   728  //    You should have received a copy of the GNU Lesser General Public
   729  //    License along with the GNU C Library; if not, see
   730  //    <https://www.gnu.org/licenses/>.
   731  
   732  // Properties of long double type.
   733  //    Copyright (C) 2016-2020 Free Software Foundation, Inc.
   734  //    This file is part of the GNU C Library.
   735  //
   736  //    The GNU C Library is free software; you can redistribute it and/or
   737  //    modify it under the terms of the GNU Lesser General Public
   738  //    License  published by the Free Software Foundation; either
   739  //    version 2.1 of the License, or (at your option) any later version.
   740  //
   741  //    The GNU C Library is distributed in the hope that it will be useful,
   742  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   743  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   744  //    Lesser General Public License for more details.
   745  //
   746  //    You should have received a copy of the GNU Lesser General Public
   747  //    License along with the GNU C Library; if not, see
   748  //    <https://www.gnu.org/licenses/>.
   749  
   750  // This header is included by <sys/cdefs.h>.
   751  //
   752  //    If long double is ABI-compatible with double, it should define
   753  //    __NO_LONG_DOUBLE_MATH to 1; otherwise, it should leave
   754  //    __NO_LONG_DOUBLE_MATH undefined.
   755  //
   756  //    If this build of the GNU C Library supports both long double
   757  //    ABI-compatible with double and some other long double format not
   758  //    ABI-compatible with double, it should define
   759  //    __LONG_DOUBLE_MATH_OPTIONAL to 1; otherwise, it should leave
   760  //    __LONG_DOUBLE_MATH_OPTIONAL undefined.
   761  //
   762  //    If __NO_LONG_DOUBLE_MATH is already defined, this header must not
   763  //    define anything; this is needed to work with the definition of
   764  //    __NO_LONG_DOUBLE_MATH in nldbl-compat.h.
   765  
   766  // In the default version of this header, long double is
   767  //    ABI-compatible with double.
   768  
   769  // __glibc_macro_warning (MESSAGE) issues warning MESSAGE.  This is
   770  //    intended for use in preprocessor macros.
   771  //
   772  //    Note: MESSAGE must be a _single_ string; concatenation of string
   773  //    literals is not supported.
   774  
   775  // Generic selection (ISO C11) is a C-only feature, available in GCC
   776  //    since version 4.9.  Previous versions do not provide generic
   777  //    selection, even though they might set __STDC_VERSION__ to 201112L,
   778  //    when in -std=c11 mode.  Thus, we must check for !defined __GNUC__
   779  //    when testing __STDC_VERSION__ for generic selection support.
   780  //    On the other hand, Clang also defines __GNUC__, so a clang-specific
   781  //    check is required to enable the use of generic selection.
   782  
   783  // If we don't have __REDIRECT, prototypes will be missing if
   784  //    __USE_FILE_OFFSET64 but not __USE_LARGEFILE[64].
   785  
   786  // Decide whether we can define 'extern inline' functions in headers.
   787  
   788  // This is here only because every header file already includes this one.
   789  //    Get the definitions of all the appropriate `__stub_FUNCTION' symbols.
   790  //    <gnu/stubs.h> contains `#define __stub_FUNCTION' when FUNCTION is a stub
   791  //    that will always return failure (and set errno to ENOSYS).
   792  // This file is automatically generated.
   793  //    This file selects the right generated file of `__stub_FUNCTION' macros
   794  //    based on the architecture being compiled for.
   795  
   796  // This file is automatically generated.
   797  //    It defines a symbol `__stub_FUNCTION' for each function
   798  //    in the C library which is a stub, meaning it will fail
   799  //    every time called, usually setting errno to ENOSYS.
   800  
   801  // bits/types.h -- definitions of __*_t types underlying *_t types.
   802  //    Copyright (C) 2002-2020 Free Software Foundation, Inc.
   803  //    This file is part of the GNU C Library.
   804  //
   805  //    The GNU C Library is free software; you can redistribute it and/or
   806  //    modify it under the terms of the GNU Lesser General Public
   807  //    License as published by the Free Software Foundation; either
   808  //    version 2.1 of the License, or (at your option) any later version.
   809  //
   810  //    The GNU C Library is distributed in the hope that it will be useful,
   811  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   812  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   813  //    Lesser General Public License for more details.
   814  //
   815  //    You should have received a copy of the GNU Lesser General Public
   816  //    License along with the GNU C Library; if not, see
   817  //    <https://www.gnu.org/licenses/>.
   818  
   819  // Never include this file directly; use <sys/types.h> instead.
   820  
   821  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   822  //    This file is part of the GNU C Library.
   823  //
   824  //    The GNU C Library is free software; you can redistribute it and/or
   825  //    modify it under the terms of the GNU Lesser General Public
   826  //    License as published by the Free Software Foundation; either
   827  //    version 2.1 of the License, or (at your option) any later version.
   828  //
   829  //    The GNU C Library is distributed in the hope that it will be useful,
   830  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   831  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   832  //    Lesser General Public License for more details.
   833  //
   834  //    You should have received a copy of the GNU Lesser General Public
   835  //    License along with the GNU C Library; if not, see
   836  //    <https://www.gnu.org/licenses/>.
   837  
   838  // Copyright (C) 1999-2020 Free Software Foundation, Inc.
   839  //    This file is part of the GNU C Library.
   840  //
   841  //    The GNU C Library is free software; you can redistribute it and/or
   842  //    modify it under the terms of the GNU Lesser General Public
   843  //    License as published by the Free Software Foundation; either
   844  //    version 2.1 of the License, or (at your option) any later version.
   845  //
   846  //    The GNU C Library is distributed in the hope that it will be useful,
   847  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   848  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   849  //    Lesser General Public License for more details.
   850  //
   851  //    You should have received a copy of the GNU Lesser General Public
   852  //    License along with the GNU C Library; if not, see
   853  //    <https://www.gnu.org/licenses/>.
   854  
   855  // Bit size of the time_t type at glibc build time, general case.
   856  //    Copyright (C) 2018-2020 Free Software Foundation, Inc.
   857  //    This file is part of the GNU C Library.
   858  //
   859  //    The GNU C Library is free software; you can redistribute it and/or
   860  //    modify it under the terms of the GNU Lesser General Public
   861  //    License as published by the Free Software Foundation; either
   862  //    version 2.1 of the License, or (at your option) any later version.
   863  //
   864  //    The GNU C Library is distributed in the hope that it will be useful,
   865  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   866  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   867  //    Lesser General Public License for more details.
   868  //
   869  //    You should have received a copy of the GNU Lesser General Public
   870  //    License along with the GNU C Library; if not, see
   871  //    <https://www.gnu.org/licenses/>.
   872  
   873  // Copyright (C) 1999-2020 Free Software Foundation, Inc.
   874  //    This file is part of the GNU C Library.
   875  //
   876  //    The GNU C Library is free software; you can redistribute it and/or
   877  //    modify it under the terms of the GNU Lesser General Public
   878  //    License as published by the Free Software Foundation; either
   879  //    version 2.1 of the License, or (at your option) any later version.
   880  //
   881  //    The GNU C Library is distributed in the hope that it will be useful,
   882  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   883  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   884  //    Lesser General Public License for more details.
   885  //
   886  //    You should have received a copy of the GNU Lesser General Public
   887  //    License along with the GNU C Library; if not, see
   888  //    <https://www.gnu.org/licenses/>.
   889  
   890  // Size in bits of the 'time_t' type of the default ABI.
   891  
   892  // Convenience types.
   893  type X__u_char = uint8   /* types.h:31:23 */
   894  type X__u_short = uint16 /* types.h:32:28 */
   895  type X__u_int = uint32   /* types.h:33:22 */
   896  type X__u_long = uint32  /* types.h:34:27 */
   897  
   898  // Fixed-size types, underlying types depend on word size and compiler.
   899  type X__int8_t = int8     /* types.h:37:21 */
   900  type X__uint8_t = uint8   /* types.h:38:23 */
   901  type X__int16_t = int16   /* types.h:39:26 */
   902  type X__uint16_t = uint16 /* types.h:40:28 */
   903  type X__int32_t = int32   /* types.h:41:20 */
   904  type X__uint32_t = uint32 /* types.h:42:22 */
   905  type X__int64_t = int64   /* types.h:47:44 */
   906  type X__uint64_t = uint64 /* types.h:48:46 */
   907  
   908  // Smallest types with at least a given width.
   909  type X__int_least8_t = X__int8_t     /* types.h:52:18 */
   910  type X__uint_least8_t = X__uint8_t   /* types.h:53:19 */
   911  type X__int_least16_t = X__int16_t   /* types.h:54:19 */
   912  type X__uint_least16_t = X__uint16_t /* types.h:55:20 */
   913  type X__int_least32_t = X__int32_t   /* types.h:56:19 */
   914  type X__uint_least32_t = X__uint32_t /* types.h:57:20 */
   915  type X__int_least64_t = X__int64_t   /* types.h:58:19 */
   916  type X__uint_least64_t = X__uint64_t /* types.h:59:20 */
   917  
   918  // quad_t is also 64 bits.
   919  type X__quad_t = int64    /* types.h:66:37 */
   920  type X__u_quad_t = uint64 /* types.h:67:46 */
   921  
   922  // Largest integral types.
   923  type X__intmax_t = int64   /* types.h:75:37 */
   924  type X__uintmax_t = uint64 /* types.h:76:46 */
   925  
   926  // The machine-dependent file <bits/typesizes.h> defines __*_T_TYPE
   927  //    macros for each of the OS types we define below.  The definitions
   928  //    of those macros must use the following macros for underlying types.
   929  //    We define __S<SIZE>_TYPE and __U<SIZE>_TYPE for the signed and unsigned
   930  //    variants of each of the following integer types on this machine.
   931  //
   932  // 	16		-- "natural" 16-bit type (always short)
   933  // 	32		-- "natural" 32-bit type (always int)
   934  // 	64		-- "natural" 64-bit type (long or long long)
   935  // 	LONG32		-- 32-bit type, traditionally long
   936  // 	QUAD		-- 64-bit type, traditionally long long
   937  // 	WORD		-- natural type of __WORDSIZE bits (int or long)
   938  // 	LONGWORD	-- type of __WORDSIZE bits, traditionally long
   939  //
   940  //    We distinguish WORD/LONGWORD, 32/LONG32, and 64/QUAD so that the
   941  //    conventional uses of `long' or `long long' type modifiers match the
   942  //    types we define, even when a less-adorned type would be the same size.
   943  //    This matters for (somewhat) portably writing printf/scanf formats for
   944  //    these types, where using the appropriate l or ll format modifiers can
   945  //    make the typedefs and the formats match up across all GNU platforms.  If
   946  //    we used `long' when it's 64 bits where `long long' is expected, then the
   947  //    compiler would warn about the formats not matching the argument types,
   948  //    and the programmer changing them to shut up the compiler would break the
   949  //    program's portability.
   950  //
   951  //    Here we assume what is presently the case in all the GCC configurations
   952  //    we support: long long is always 64 bits, long is always word/address size,
   953  //    and int is always 32 bits.
   954  
   955  // We want __extension__ before typedef's that use nonstandard base types
   956  //    such as `long long' in C89 mode.
   957  // bits/typesizes.h -- underlying types for *_t.  Generic version.
   958  //    Copyright (C) 2002-2020 Free Software Foundation, Inc.
   959  //    This file is part of the GNU C Library.
   960  //
   961  //    The GNU C Library is free software; you can redistribute it and/or
   962  //    modify it under the terms of the GNU Lesser General Public
   963  //    License as published by the Free Software Foundation; either
   964  //    version 2.1 of the License, or (at your option) any later version.
   965  //
   966  //    The GNU C Library is distributed in the hope that it will be useful,
   967  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   968  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   969  //    Lesser General Public License for more details.
   970  //
   971  //    You should have received a copy of the GNU Lesser General Public
   972  //    License along with the GNU C Library; if not, see
   973  //    <https://www.gnu.org/licenses/>.
   974  
   975  // See <bits/types.h> for the meaning of these macros.  This file exists so
   976  //    that <bits/types.h> need not vary across different GNU platforms.
   977  
   978  // Number of descriptors that can fit in an `fd_set'.
   979  
   980  // bits/time64.h -- underlying types for __time64_t.  Generic version.
   981  //    Copyright (C) 2018-2020 Free Software Foundation, Inc.
   982  //    This file is part of the GNU C Library.
   983  //
   984  //    The GNU C Library is free software; you can redistribute it and/or
   985  //    modify it under the terms of the GNU Lesser General Public
   986  //    License as published by the Free Software Foundation; either
   987  //    version 2.1 of the License, or (at your option) any later version.
   988  //
   989  //    The GNU C Library is distributed in the hope that it will be useful,
   990  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   991  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   992  //    Lesser General Public License for more details.
   993  //
   994  //    You should have received a copy of the GNU Lesser General Public
   995  //    License along with the GNU C Library; if not, see
   996  //    <https://www.gnu.org/licenses/>.
   997  
   998  // Define __TIME64_T_TYPE so that it is always a 64-bit type.
   999  
  1000  // Define a 64-bit time type alongsize the 32-bit one.
  1001  
  1002  type X__dev_t = X__uint64_t                /* types.h:145:25 */ // Type of device numbers.
  1003  type X__uid_t = uint32                     /* types.h:146:25 */ // Type of user identifications.
  1004  type X__gid_t = uint32                     /* types.h:147:25 */ // Type of group identifications.
  1005  type X__ino_t = uint32                     /* types.h:148:25 */ // Type of file serial numbers.
  1006  type X__ino64_t = X__uint64_t              /* types.h:149:27 */ // Type of file serial numbers (LFS).
  1007  type X__mode_t = uint32                    /* types.h:150:26 */ // Type of file attribute bitmasks.
  1008  type X__nlink_t = uint32                   /* types.h:151:27 */ // Type of file link counts.
  1009  type X__off_t = int32                      /* types.h:152:25 */ // Type of file sizes and offsets.
  1010  type X__off64_t = X__int64_t               /* types.h:153:27 */ // Type of file sizes and offsets (LFS).
  1011  type X__pid_t = int32                      /* types.h:154:25 */ // Type of process identifications.
  1012  type X__fsid_t = struct{ F__val [2]int32 } /* types.h:155:26 */ // Type of file system IDs.
  1013  type X__clock_t = int32                    /* types.h:156:27 */ // Type of CPU usage counts.
  1014  type X__rlim_t = uint32                    /* types.h:157:26 */ // Type for resource measurement.
  1015  type X__rlim64_t = X__uint64_t             /* types.h:158:28 */ // Type for resource measurement (LFS).
  1016  type X__id_t = uint32                      /* types.h:159:24 */ // General type for IDs.
  1017  type X__time_t = int32                     /* types.h:160:26 */ // Seconds since the Epoch.
  1018  type X__useconds_t = uint32                /* types.h:161:30 */ // Count of microseconds.
  1019  type X__suseconds_t = int32                /* types.h:162:31 */ // Signed count of microseconds.
  1020  
  1021  type X__daddr_t = int32 /* types.h:164:27 */ // The type of a disk address.
  1022  type X__key_t = int32   /* types.h:165:25 */ // Type of an IPC key.
  1023  
  1024  // Clock ID used in clock and timer functions.
  1025  type X__clockid_t = int32 /* types.h:168:29 */
  1026  
  1027  // Timer ID returned by `timer_create'.
  1028  type X__timer_t = uintptr /* types.h:171:12 */
  1029  
  1030  // Type to represent block size.
  1031  type X__blksize_t = int32 /* types.h:174:29 */
  1032  
  1033  // Types from the Large File Support interface.
  1034  
  1035  // Type to count number of disk blocks.
  1036  type X__blkcnt_t = int32        /* types.h:179:28 */
  1037  type X__blkcnt64_t = X__int64_t /* types.h:180:30 */
  1038  
  1039  // Type to count file system blocks.
  1040  type X__fsblkcnt_t = uint32        /* types.h:183:30 */
  1041  type X__fsblkcnt64_t = X__uint64_t /* types.h:184:32 */
  1042  
  1043  // Type to count file system nodes.
  1044  type X__fsfilcnt_t = uint32        /* types.h:187:30 */
  1045  type X__fsfilcnt64_t = X__uint64_t /* types.h:188:32 */
  1046  
  1047  // Type of miscellaneous file system fields.
  1048  type X__fsword_t = int32 /* types.h:191:28 */
  1049  
  1050  type X__ssize_t = int32 /* types.h:193:27 */ // Type of a byte count, or error.
  1051  
  1052  // Signed long type used in system calls.
  1053  type X__syscall_slong_t = int32 /* types.h:196:33 */
  1054  // Unsigned long type used in system calls.
  1055  type X__syscall_ulong_t = uint32 /* types.h:198:33 */
  1056  
  1057  // These few don't really vary by system, they always correspond
  1058  //
  1059  //	to one of the other defined types.
  1060  type X__loff_t = X__off64_t /* types.h:202:19 */ // Type of file sizes and offsets (LFS).
  1061  type X__caddr_t = uintptr   /* types.h:203:14 */
  1062  
  1063  // Duplicates info from stdint.h but this is used in unistd.h.
  1064  type X__intptr_t = int32 /* types.h:206:25 */
  1065  
  1066  // Duplicate info from sys/socket.h.
  1067  type X__socklen_t = uint32 /* types.h:209:23 */
  1068  
  1069  // C99: An integer type that can be accessed as an atomic entity,
  1070  //
  1071  //	even in the presence of asynchronous interrupts.
  1072  //	It is not currently necessary for this to be machine-specific.
  1073  type X__sig_atomic_t = int32 /* types.h:214:13 */
  1074  
  1075  // Seconds since the Epoch, visible to user code when time_t is too
  1076  //
  1077  //	narrow only for consistency with the old way of widening too-narrow
  1078  //	types.  User code should never use __time64_t.
  1079  type X__time64_t = X__int64_t /* types.h:222:28 */
  1080  
  1081  // Signal number definitions.  Linux version.
  1082  //    Copyright (C) 1995-2020 Free Software Foundation, Inc.
  1083  //    This file is part of the GNU C Library.
  1084  //
  1085  //    The GNU C Library is free software; you can redistribute it and/or
  1086  //    modify it under the terms of the GNU Lesser General Public
  1087  //    License as published by the Free Software Foundation; either
  1088  //    version 2.1 of the License, or (at your option) any later version.
  1089  //
  1090  //    The GNU C Library is distributed in the hope that it will be useful,
  1091  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1092  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1093  //    Lesser General Public License for more details.
  1094  //
  1095  //    You should have received a copy of the GNU Lesser General Public
  1096  //    License along with the GNU C Library; if not, see
  1097  //    <https://www.gnu.org/licenses/>.
  1098  
  1099  // Signal number constants.  Generic template.
  1100  //    Copyright (C) 1991-2020 Free Software Foundation, Inc.
  1101  //    This file is part of the GNU C Library.
  1102  //
  1103  //    The GNU C Library is free software; you can redistribute it and/or
  1104  //    modify it under the terms of the GNU Lesser General Public
  1105  //    License as published by the Free Software Foundation; either
  1106  //    version 2.1 of the License, or (at your option) any later version.
  1107  //
  1108  //    The GNU C Library is distributed in the hope that it will be useful,
  1109  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1110  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1111  //    Lesser General Public License for more details.
  1112  //
  1113  //    You should have received a copy of the GNU Lesser General Public
  1114  //    License along with the GNU C Library; if not, see
  1115  //    <https://www.gnu.org/licenses/>.
  1116  
  1117  // Fake signal functions.
  1118  
  1119  // We define here all the signal names listed in POSIX (1003.1-2008);
  1120  //    as of 1003.1-2013, no additional signals have been added by POSIX.
  1121  //    We also define here signal names that historically exist in every
  1122  //    real-world POSIX variant (e.g. SIGWINCH).
  1123  //
  1124  //    Signals in the 1-15 range are defined with their historical numbers.
  1125  //    For other signals, we use the BSD numbers.
  1126  //    There are two unallocated signal numbers in the 1-31 range: 7 and 29.
  1127  //    Signal number 0 is reserved for use as kill(pid, 0), to test whether
  1128  //    a process exists without sending it a signal.
  1129  
  1130  // ISO C99 signals.
  1131  
  1132  // Historical signals specified by POSIX.
  1133  
  1134  // New(er) POSIX signals (1003.1-2008, 1003.1-2013).
  1135  
  1136  // Nonstandard signals found in all modern POSIX systems
  1137  //    (including both BSD and Linux).
  1138  
  1139  // Archaic names for compatibility.
  1140  
  1141  // Not all systems support real-time signals.  bits/signum.h indicates
  1142  //    that they are supported by overriding __SIGRTMAX to a value greater
  1143  //    than __SIGRTMIN.  These constants give the kernel-level hard limits,
  1144  //    but some real-time signals may be used internally by glibc.  Do not
  1145  //    use these constants in application code; use SIGRTMIN and SIGRTMAX
  1146  //    (defined in signal.h) instead.
  1147  
  1148  // Biggest signal number + 1 (including real-time signals).
  1149  
  1150  // Adjustments and additions to the signal number constants for
  1151  //    most Linux systems.
  1152  
  1153  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1154  //    Copyright (C) 2002-2020 Free Software Foundation, Inc.
  1155  //    This file is part of the GNU C Library.
  1156  //
  1157  //    The GNU C Library is free software; you can redistribute it and/or
  1158  //    modify it under the terms of the GNU Lesser General Public
  1159  //    License as published by the Free Software Foundation; either
  1160  //    version 2.1 of the License, or (at your option) any later version.
  1161  //
  1162  //    The GNU C Library is distributed in the hope that it will be useful,
  1163  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1164  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1165  //    Lesser General Public License for more details.
  1166  //
  1167  //    You should have received a copy of the GNU Lesser General Public
  1168  //    License along with the GNU C Library; if not, see
  1169  //    <https://www.gnu.org/licenses/>.
  1170  
  1171  // Never include this file directly; use <sys/types.h> instead.
  1172  
  1173  // An integral type that can be modified atomically, without the
  1174  //
  1175  //	possibility of a signal arriving in the middle of the operation.
  1176  type Sig_atomic_t = X__sig_atomic_t /* sig_atomic_t.h:8:24 */
  1177  
  1178  type X__sigset_t = struct{ F__val [32]uint32 } /* __sigset_t.h:8:3 */
  1179  
  1180  // A set of signals to be blocked, unblocked, or waited for.
  1181  type Sigset_t = X__sigset_t /* sigset_t.h:7:20 */
  1182  
  1183  type Pid_t = X__pid_t /* signal.h:40:17 */
  1184  type Uid_t = X__uid_t /* signal.h:46:17 */
  1185  
  1186  // We need `struct timespec' later on.
  1187  // NB: Include guard matches what <linux/time.h> uses.
  1188  
  1189  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1190  //    Copyright (C) 2002-2020 Free Software Foundation, Inc.
  1191  //    This file is part of the GNU C Library.
  1192  //
  1193  //    The GNU C Library is free software; you can redistribute it and/or
  1194  //    modify it under the terms of the GNU Lesser General Public
  1195  //    License as published by the Free Software Foundation; either
  1196  //    version 2.1 of the License, or (at your option) any later version.
  1197  //
  1198  //    The GNU C Library is distributed in the hope that it will be useful,
  1199  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1200  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1201  //    Lesser General Public License for more details.
  1202  //
  1203  //    You should have received a copy of the GNU Lesser General Public
  1204  //    License along with the GNU C Library; if not, see
  1205  //    <https://www.gnu.org/licenses/>.
  1206  
  1207  // Never include this file directly; use <sys/types.h> instead.
  1208  
  1209  // Endian macros for string.h functions
  1210  //    Copyright (C) 1992-2020 Free Software Foundation, Inc.
  1211  //    This file is part of the GNU C Library.
  1212  //
  1213  //    The GNU C Library is free software; you can redistribute it and/or
  1214  //    modify it under the terms of the GNU Lesser General Public
  1215  //    License as published by the Free Software Foundation; either
  1216  //    version 2.1 of the License, or (at your option) any later version.
  1217  //
  1218  //    The GNU C Library is distributed in the hope that it will be useful,
  1219  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1220  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1221  //    Lesser General Public License for more details.
  1222  //
  1223  //    You should have received a copy of the GNU Lesser General Public
  1224  //    License along with the GNU C Library; if not, see
  1225  //    <http://www.gnu.org/licenses/>.
  1226  
  1227  // Definitions for byte order, according to significance of bytes,
  1228  //    from low addresses to high addresses.  The value is what you get by
  1229  //    putting '4' in the most significant byte, '3' in the second most
  1230  //    significant byte, '2' in the second least significant byte, and '1'
  1231  //    in the least significant byte, and then writing down one digit for
  1232  //    each byte, starting with the byte at the lowest address at the left,
  1233  //    and proceeding to the byte with the highest address at the right.
  1234  
  1235  // This file defines `__BYTE_ORDER' for the particular machine.
  1236  
  1237  // ARM has selectable endianness.
  1238  
  1239  // Some machines may need to use a different endianness for floating point
  1240  //    values.
  1241  
  1242  // POSIX.1b structure for a time value.  This is like a `struct timeval' but
  1243  //
  1244  //	has nanoseconds instead of microseconds.
  1245  type Timespec = struct {
  1246  	Ftv_sec  X__time_t
  1247  	Ftv_nsec X__syscall_slong_t
  1248  } /* struct_timespec.h:10:1 */
  1249  
  1250  // Copyright (C) 1999-2020 Free Software Foundation, Inc.
  1251  //    This file is part of the GNU C Library.
  1252  //
  1253  //    The GNU C Library is free software; you can redistribute it and/or
  1254  //    modify it under the terms of the GNU Lesser General Public
  1255  //    License as published by the Free Software Foundation; either
  1256  //    version 2.1 of the License, or (at your option) any later version.
  1257  //
  1258  //    The GNU C Library is distributed in the hope that it will be useful,
  1259  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1260  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1261  //    Lesser General Public License for more details.
  1262  //
  1263  //    You should have received a copy of the GNU Lesser General Public
  1264  //    License along with the GNU C Library; if not, see
  1265  //    <https://www.gnu.org/licenses/>.
  1266  
  1267  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1268  //    Copyright (C) 2002-2020 Free Software Foundation, Inc.
  1269  //    This file is part of the GNU C Library.
  1270  //
  1271  //    The GNU C Library is free software; you can redistribute it and/or
  1272  //    modify it under the terms of the GNU Lesser General Public
  1273  //    License as published by the Free Software Foundation; either
  1274  //    version 2.1 of the License, or (at your option) any later version.
  1275  //
  1276  //    The GNU C Library is distributed in the hope that it will be useful,
  1277  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1278  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1279  //    Lesser General Public License for more details.
  1280  //
  1281  //    You should have received a copy of the GNU Lesser General Public
  1282  //    License along with the GNU C Library; if not, see
  1283  //    <https://www.gnu.org/licenses/>.
  1284  
  1285  // Never include this file directly; use <sys/types.h> instead.
  1286  
  1287  // Define __sigval_t.
  1288  //    Copyright (C) 1997-2020 Free Software Foundation, Inc.
  1289  //    This file is part of the GNU C Library.
  1290  //
  1291  //    The GNU C Library is free software; you can redistribute it and/or
  1292  //    modify it under the terms of the GNU Lesser General Public
  1293  //    License as published by the Free Software Foundation; either
  1294  //    version 2.1 of the License, or (at your option) any later version.
  1295  //
  1296  //    The GNU C Library is distributed in the hope that it will be useful,
  1297  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1298  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1299  //    Lesser General Public License for more details.
  1300  //
  1301  //    You should have received a copy of the GNU Lesser General Public
  1302  //    License along with the GNU C Library; if not, see
  1303  //    <https://www.gnu.org/licenses/>.
  1304  
  1305  // Type for data associated with a signal.
  1306  type Sigval = struct{ Fsival_int int32 } /* __sigval_t.h:24:1 */
  1307  
  1308  type X__sigval_t = Sigval /* __sigval_t.h:30:22 */
  1309  
  1310  // Some fields of siginfo_t have architecture-specific variations.
  1311  // Architecture-specific adjustments to siginfo_t.
  1312  
  1313  // This architecture has no adjustments to make to siginfo_t.
  1314  
  1315  type Siginfo_t = struct {
  1316  	Fsi_signo  int32
  1317  	Fsi_errno  int32
  1318  	Fsi_code   int32
  1319  	F_sifields struct{ F_pad [29]int32 }
  1320  } /* siginfo_t.h:124:5 */
  1321  
  1322  // Architectures might also add architecture-specific constants.
  1323  //    These are all considered GNU extensions.
  1324  
  1325  // Define __sigval_t.
  1326  //    Copyright (C) 1997-2020 Free Software Foundation, Inc.
  1327  //    This file is part of the GNU C Library.
  1328  //
  1329  //    The GNU C Library is free software; you can redistribute it and/or
  1330  //    modify it under the terms of the GNU Lesser General Public
  1331  //    License as published by the Free Software Foundation; either
  1332  //    version 2.1 of the License, or (at your option) any later version.
  1333  //
  1334  //    The GNU C Library is distributed in the hope that it will be useful,
  1335  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1336  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1337  //    Lesser General Public License for more details.
  1338  //
  1339  //    You should have received a copy of the GNU Lesser General Public
  1340  //    License along with the GNU C Library; if not, see
  1341  //    <https://www.gnu.org/licenses/>.
  1342  
  1343  // To avoid sigval_t (not a standard type name) having C++ name
  1344  //    mangling depending on whether the selected standard includes union
  1345  //    sigval, it should not be defined at all when using a standard for
  1346  //    which the sigval name is not reserved; in that case, headers should
  1347  //    not include <bits/types/sigval_t.h> and should use only the
  1348  //    internal __sigval_t name.
  1349  
  1350  type Sigval_t = X__sigval_t /* sigval_t.h:16:20 */
  1351  
  1352  // Copyright (C) 1999-2020 Free Software Foundation, Inc.
  1353  //    This file is part of the GNU C Library.
  1354  //
  1355  //    The GNU C Library is free software; you can redistribute it and/or
  1356  //    modify it under the terms of the GNU Lesser General Public
  1357  //    License as published by the Free Software Foundation; either
  1358  //    version 2.1 of the License, or (at your option) any later version.
  1359  //
  1360  //    The GNU C Library is distributed in the hope that it will be useful,
  1361  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1362  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1363  //    Lesser General Public License for more details.
  1364  //
  1365  //    You should have received a copy of the GNU Lesser General Public
  1366  //    License along with the GNU C Library; if not, see
  1367  //    <https://www.gnu.org/licenses/>.
  1368  
  1369  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1370  //    Copyright (C) 2002-2020 Free Software Foundation, Inc.
  1371  //    This file is part of the GNU C Library.
  1372  //
  1373  //    The GNU C Library is free software; you can redistribute it and/or
  1374  //    modify it under the terms of the GNU Lesser General Public
  1375  //    License as published by the Free Software Foundation; either
  1376  //    version 2.1 of the License, or (at your option) any later version.
  1377  //
  1378  //    The GNU C Library is distributed in the hope that it will be useful,
  1379  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1380  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1381  //    Lesser General Public License for more details.
  1382  //
  1383  //    You should have received a copy of the GNU Lesser General Public
  1384  //    License along with the GNU C Library; if not, see
  1385  //    <https://www.gnu.org/licenses/>.
  1386  
  1387  // Never include this file directly; use <sys/types.h> instead.
  1388  
  1389  // Define __sigval_t.
  1390  //    Copyright (C) 1997-2020 Free Software Foundation, Inc.
  1391  //    This file is part of the GNU C Library.
  1392  //
  1393  //    The GNU C Library is free software; you can redistribute it and/or
  1394  //    modify it under the terms of the GNU Lesser General Public
  1395  //    License as published by the Free Software Foundation; either
  1396  //    version 2.1 of the License, or (at your option) any later version.
  1397  //
  1398  //    The GNU C Library is distributed in the hope that it will be useful,
  1399  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1400  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1401  //    Lesser General Public License for more details.
  1402  //
  1403  //    You should have received a copy of the GNU Lesser General Public
  1404  //    License along with the GNU C Library; if not, see
  1405  //    <https://www.gnu.org/licenses/>.
  1406  
  1407  // Forward declaration.
  1408  type Pthread_attr_t1 = struct {
  1409  	F__ccgo_pad1 [0]uint32
  1410  	F__size      [36]uint8
  1411  } /* sigevent_t.h:17:9 */
  1412  
  1413  // Copyright (C) 1999-2020 Free Software Foundation, Inc.
  1414  //    This file is part of the GNU C Library.
  1415  //
  1416  //    The GNU C Library is free software; you can redistribute it and/or
  1417  //    modify it under the terms of the GNU Lesser General Public
  1418  //    License as published by the Free Software Foundation; either
  1419  //    version 2.1 of the License, or (at your option) any later version.
  1420  //
  1421  //    The GNU C Library is distributed in the hope that it will be useful,
  1422  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1423  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1424  //    Lesser General Public License for more details.
  1425  //
  1426  //    You should have received a copy of the GNU Lesser General Public
  1427  //    License along with the GNU C Library; if not, see
  1428  //    <https://www.gnu.org/licenses/>.
  1429  
  1430  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1431  //    Copyright (C) 2002-2020 Free Software Foundation, Inc.
  1432  //    This file is part of the GNU C Library.
  1433  //
  1434  //    The GNU C Library is free software; you can redistribute it and/or
  1435  //    modify it under the terms of the GNU Lesser General Public
  1436  //    License as published by the Free Software Foundation; either
  1437  //    version 2.1 of the License, or (at your option) any later version.
  1438  //
  1439  //    The GNU C Library is distributed in the hope that it will be useful,
  1440  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1441  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1442  //    Lesser General Public License for more details.
  1443  //
  1444  //    You should have received a copy of the GNU Lesser General Public
  1445  //    License along with the GNU C Library; if not, see
  1446  //    <https://www.gnu.org/licenses/>.
  1447  
  1448  // Never include this file directly; use <sys/types.h> instead.
  1449  
  1450  // Define __sigval_t.
  1451  //    Copyright (C) 1997-2020 Free Software Foundation, Inc.
  1452  //    This file is part of the GNU C Library.
  1453  //
  1454  //    The GNU C Library is free software; you can redistribute it and/or
  1455  //    modify it under the terms of the GNU Lesser General Public
  1456  //    License as published by the Free Software Foundation; either
  1457  //    version 2.1 of the License, or (at your option) any later version.
  1458  //
  1459  //    The GNU C Library is distributed in the hope that it will be useful,
  1460  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1461  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1462  //    Lesser General Public License for more details.
  1463  //
  1464  //    You should have received a copy of the GNU Lesser General Public
  1465  //    License along with the GNU C Library; if not, see
  1466  //    <https://www.gnu.org/licenses/>.
  1467  
  1468  // Forward declaration.
  1469  type Pthread_attr_t = Pthread_attr_t1 /* sigevent_t.h:17:30 */
  1470  
  1471  // Structure to transport application-defined values with signals.
  1472  type Sigevent = struct {
  1473  	Fsigev_value  X__sigval_t
  1474  	Fsigev_signo  int32
  1475  	Fsigev_notify int32
  1476  	F_sigev_un    struct{ F_pad [13]int32 }
  1477  } /* sigevent_t.h:22:9 */
  1478  
  1479  // Structure to transport application-defined values with signals.
  1480  type Sigevent_t = Sigevent /* sigevent_t.h:42:5 */
  1481  
  1482  // Type of a signal handler.
  1483  type X__sighandler_t = uintptr /* signal.h:72:14 */
  1484  
  1485  // 4.4 BSD uses the name `sig_t' for this.
  1486  type Sig_t = X__sighandler_t /* signal.h:190:24 */
  1487  
  1488  // Get the system-specific definitions of `struct sigaction'
  1489  //    and the `SA_*' and `SIG_*'. constants.
  1490  // The proper definitions for Linux's sigaction.
  1491  //    Copyright (C) 1993-2020 Free Software Foundation, Inc.
  1492  //    This file is part of the GNU C Library.
  1493  //
  1494  //    The GNU C Library is free software; you can redistribute it and/or
  1495  //    modify it under the terms of the GNU Lesser General Public
  1496  //    License as published by the Free Software Foundation; either
  1497  //    version 2.1 of the License, or (at your option) any later version.
  1498  //
  1499  //    The GNU C Library is distributed in the hope that it will be useful,
  1500  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1501  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1502  //    Lesser General Public License for more details.
  1503  //
  1504  //    You should have received a copy of the GNU Lesser General Public
  1505  //    License along with the GNU C Library; if not, see
  1506  //    <https://www.gnu.org/licenses/>.
  1507  
  1508  // Structure describing the action to be taken when a signal arrives.
  1509  type Sigaction = struct {
  1510  	F__sigaction_handler struct{ Fsa_handler X__sighandler_t }
  1511  	Fsa_mask             X__sigset_t
  1512  	Fsa_flags            int32
  1513  	Fsa_restorer         uintptr
  1514  } /* sigaction.h:27:1 */
  1515  
  1516  // Get machine-dependent `struct sigcontext' and signal subcodes.
  1517  // Copyright (C) 1996-2020 Free Software Foundation, Inc.
  1518  //    This file is part of the GNU C Library.
  1519  //
  1520  //    The GNU C Library is free software; you can redistribute it and/or
  1521  //    modify it under the terms of the GNU Lesser General Public
  1522  //    License as published by the Free Software Foundation; either
  1523  //    version 2.1 of the License, or (at your option) any later version.
  1524  //
  1525  //    The GNU C Library is distributed in the hope that it will be useful,
  1526  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1527  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1528  //    Lesser General Public License for more details.
  1529  //
  1530  //    You should have received a copy of the GNU Lesser General Public
  1531  //    License along with the GNU C Library; if not, see
  1532  //    <https://www.gnu.org/licenses/>.
  1533  
  1534  // Kernel headers before 2.1.1 define a struct sigcontext_struct, but
  1535  //    we need sigcontext.
  1536  
  1537  // SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
  1538  
  1539  // Signal context structure - contains all info to do with the state
  1540  // before the signal handler was invoked.  Note: only add new entries
  1541  // to the end of the structure.
  1542  type Sigcontext = struct {
  1543  	Ftrap_no       uint32
  1544  	Ferror_code    uint32
  1545  	Foldmask       uint32
  1546  	Farm_r0        uint32
  1547  	Farm_r1        uint32
  1548  	Farm_r2        uint32
  1549  	Farm_r3        uint32
  1550  	Farm_r4        uint32
  1551  	Farm_r5        uint32
  1552  	Farm_r6        uint32
  1553  	Farm_r7        uint32
  1554  	Farm_r8        uint32
  1555  	Farm_r9        uint32
  1556  	Farm_r10       uint32
  1557  	Farm_fp        uint32
  1558  	Farm_ip        uint32
  1559  	Farm_sp        uint32
  1560  	Farm_lr        uint32
  1561  	Farm_pc        uint32
  1562  	Farm_cpsr      uint32
  1563  	Ffault_address uint32
  1564  } /* sigcontext.h:10:1 */
  1565  
  1566  // Wide character type.
  1567  //    Locale-writers should change this as necessary to
  1568  //    be big enough to hold unique values not between 0 and 127,
  1569  //    and not (wchar_t) -1, for each defined multibyte character.
  1570  
  1571  // Define this type if we are doing the whole job,
  1572  //    or if we want this type in particular.
  1573  
  1574  // A null pointer constant.
  1575  
  1576  // Define stack_t.  Linux version.
  1577  //    Copyright (C) 1998-2020 Free Software Foundation, Inc.
  1578  //    This file is part of the GNU C Library.
  1579  //
  1580  //    The GNU C Library is free software; you can redistribute it and/or
  1581  //    modify it under the terms of the GNU Lesser General Public
  1582  //    License as published by the Free Software Foundation; either
  1583  //    version 2.1 of the License, or (at your option) any later version.
  1584  //
  1585  //    The GNU C Library is distributed in the hope that it will be useful,
  1586  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1587  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1588  //    Lesser General Public License for more details.
  1589  //
  1590  //    You should have received a copy of the GNU Lesser General Public
  1591  //    License along with the GNU C Library; if not, see
  1592  //    <https://www.gnu.org/licenses/>.
  1593  
  1594  // Copyright (C) 1989-2020 Free Software Foundation, Inc.
  1595  //
  1596  // This file is part of GCC.
  1597  //
  1598  // GCC is free software; you can redistribute it and/or modify
  1599  // it under the terms of the GNU General Public License as published by
  1600  // the Free Software Foundation; either version 3, or (at your option)
  1601  // any later version.
  1602  //
  1603  // GCC is distributed in the hope that it will be useful,
  1604  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  1605  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  1606  // GNU General Public License for more details.
  1607  //
  1608  // Under Section 7 of GPL version 3, you are granted additional
  1609  // permissions described in the GCC Runtime Library Exception, version
  1610  // 3.1, as published by the Free Software Foundation.
  1611  //
  1612  // You should have received a copy of the GNU General Public License and
  1613  // a copy of the GCC Runtime Library Exception along with this program;
  1614  // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  1615  // <http://www.gnu.org/licenses/>.
  1616  
  1617  // ISO C Standard:  7.17  Common definitions  <stddef.h>
  1618  
  1619  // Any one of these symbols __need_* means that GNU libc
  1620  //    wants us just to define one data type.  So don't define
  1621  //    the symbols that indicate this file's entire job has been done.
  1622  
  1623  // This avoids lossage on SunOS but only if stdtypes.h comes first.
  1624  //    There's no way to win with the other order!  Sun lossage.
  1625  
  1626  // Sequent's header files use _PTRDIFF_T_ in some conflicting way.
  1627  //    Just ignore it.
  1628  
  1629  // On VxWorks, <type/vxTypesBase.h> may have defined macros like
  1630  //    _TYPE_size_t which will typedef size_t.  fixincludes patched the
  1631  //    vxTypesBase.h so that this macro is only defined if _GCC_SIZE_T is
  1632  //    not defined, and so that defining this macro defines _GCC_SIZE_T.
  1633  //    If we find that the macros are still defined at this point, we must
  1634  //    invoke them so that the type is defined as expected.
  1635  
  1636  // In case nobody has defined these types, but we aren't running under
  1637  //    GCC 2.00, make sure that __PTRDIFF_TYPE__, __SIZE_TYPE__, and
  1638  //    __WCHAR_TYPE__ have reasonable values.  This can happen if the
  1639  //    parts of GCC is compiled by an older compiler, that actually
  1640  //    include gstddef.h, such as collect2.
  1641  
  1642  // Signed type of difference of two pointers.
  1643  
  1644  // Define this type if we are doing the whole job,
  1645  //    or if we want this type in particular.
  1646  
  1647  // Unsigned type of `sizeof' something.
  1648  
  1649  // Define this type if we are doing the whole job,
  1650  //    or if we want this type in particular.
  1651  
  1652  // Wide character type.
  1653  //    Locale-writers should change this as necessary to
  1654  //    be big enough to hold unique values not between 0 and 127,
  1655  //    and not (wchar_t) -1, for each defined multibyte character.
  1656  
  1657  // Define this type if we are doing the whole job,
  1658  //    or if we want this type in particular.
  1659  
  1660  // A null pointer constant.
  1661  
  1662  // Structure describing a signal stack.
  1663  type Stack_t = struct {
  1664  	Fss_sp    uintptr
  1665  	Fss_flags int32
  1666  	Fss_size  Size_t
  1667  } /* stack_t.h:31:5 */
  1668  
  1669  // This will define `ucontext_t' and `mcontext_t'.
  1670  // Copyright (C) 1998-2020 Free Software Foundation, Inc.
  1671  //    This file is part of the GNU C Library.
  1672  //
  1673  //    The GNU C Library is free software; you can redistribute it and/or
  1674  //    modify it under the terms of the GNU Lesser General Public
  1675  //    License as published by the Free Software Foundation; either
  1676  //    version 2.1 of the License, or (at your option) any later version.
  1677  //
  1678  //    The GNU C Library is distributed in the hope that it will be useful,
  1679  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1680  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1681  //    Lesser General Public License for more details.
  1682  //
  1683  //    You should have received a copy of the GNU Lesser General Public
  1684  //    License along with the GNU C Library.  If not, see
  1685  //    <https://www.gnu.org/licenses/>.
  1686  
  1687  // System V/ARM ABI compliant context switching support.
  1688  
  1689  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
  1690  //    This file is part of the GNU C Library.
  1691  //
  1692  //    The GNU C Library is free software; you can redistribute it and/or
  1693  //    modify it under the terms of the GNU Lesser General Public
  1694  //    License as published by the Free Software Foundation; either
  1695  //    version 2.1 of the License, or (at your option) any later version.
  1696  //
  1697  //    The GNU C Library is distributed in the hope that it will be useful,
  1698  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1699  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1700  //    Lesser General Public License for more details.
  1701  //
  1702  //    You should have received a copy of the GNU Lesser General Public
  1703  //    License along with the GNU C Library; if not, see
  1704  //    <https://www.gnu.org/licenses/>.
  1705  
  1706  // Define stack_t.  Linux version.
  1707  //    Copyright (C) 1998-2020 Free Software Foundation, Inc.
  1708  //    This file is part of the GNU C Library.
  1709  //
  1710  //    The GNU C Library is free software; you can redistribute it and/or
  1711  //    modify it under the terms of the GNU Lesser General Public
  1712  //    License as published by the Free Software Foundation; either
  1713  //    version 2.1 of the License, or (at your option) any later version.
  1714  //
  1715  //    The GNU C Library is distributed in the hope that it will be useful,
  1716  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1717  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1718  //    Lesser General Public License for more details.
  1719  //
  1720  //    You should have received a copy of the GNU Lesser General Public
  1721  //    License along with the GNU C Library; if not, see
  1722  //    <https://www.gnu.org/licenses/>.
  1723  
  1724  type Greg_t = int32 /* ucontext.h:36:13 */
  1725  
  1726  // Number of general registers.
  1727  
  1728  // Container for all general registers.
  1729  type Gregset_t = [18]Greg_t /* ucontext.h:42:16 */
  1730  
  1731  type X_libc_fpstate = struct {
  1732  	Ffpregs [8]struct {
  1733  		F__ccgo_pad1 [0]uint32
  1734  		Fsign1       uint32 /* unsigned sign1: 1, unsigned unused: 15, unsigned sign2: 1, unsigned exponent: 14, unsigned j: 1 */
  1735  		Fmantissa1   uint32 /* unsigned mantissa1: 31 */
  1736  		Fmantissa0   uint32 /* unsigned mantissa0: 32 */
  1737  	}
  1738  	Ffpsr      uint32 /* unsigned fpsr: 32 */
  1739  	Ffpcr      uint32 /* unsigned fpcr: 32 */
  1740  	Fftype     [8]uint8
  1741  	Finit_flag uint32
  1742  } /* ucontext.h:81:1 */
  1743  
  1744  // Structure to describe FPU registers.
  1745  type Fpregset_t = X_libc_fpstate /* ucontext.h:99:30 */
  1746  
  1747  // Context to describe whole processor state.  This only describes
  1748  //
  1749  //	the core registers; coprocessor registers get saved elsewhere
  1750  //	(e.g. in uc_regspace, or somewhere unspecified on the stack
  1751  //	during non-RT signal handlers).
  1752  type Mcontext_t = struct {
  1753  	Ftrap_no       uint32
  1754  	Ferror_code    uint32
  1755  	Foldmask       uint32
  1756  	Farm_r0        uint32
  1757  	Farm_r1        uint32
  1758  	Farm_r2        uint32
  1759  	Farm_r3        uint32
  1760  	Farm_r4        uint32
  1761  	Farm_r5        uint32
  1762  	Farm_r6        uint32
  1763  	Farm_r7        uint32
  1764  	Farm_r8        uint32
  1765  	Farm_r9        uint32
  1766  	Farm_r10       uint32
  1767  	Farm_fp        uint32
  1768  	Farm_ip        uint32
  1769  	Farm_sp        uint32
  1770  	Farm_lr        uint32
  1771  	Farm_pc        uint32
  1772  	Farm_cpsr      uint32
  1773  	Ffault_address uint32
  1774  } /* ucontext.h:129:5 */
  1775  
  1776  // Userlevel context.
  1777  type Ucontext_t1 = struct {
  1778  	Fuc_flags    uint32
  1779  	Fuc_link     uintptr
  1780  	Fuc_stack    Stack_t
  1781  	Fuc_mcontext Mcontext_t
  1782  	Fuc_sigmask  Sigset_t
  1783  	Fuc_regspace [128]uint32
  1784  } /* ucontext.h:132:9 */
  1785  
  1786  // Userlevel context.
  1787  type Ucontext_t = Ucontext_t1 /* ucontext.h:140:5 */
  1788  
  1789  // Define struct sigstack.
  1790  //    Copyright (C) 1998-2020 Free Software Foundation, Inc.
  1791  //    This file is part of the GNU C Library.
  1792  //
  1793  //    The GNU C Library is free software; you can redistribute it and/or
  1794  //    modify it under the terms of the GNU Lesser General Public
  1795  //    License as published by the Free Software Foundation; either
  1796  //    version 2.1 of the License, or (at your option) any later version.
  1797  //
  1798  //    The GNU C Library is distributed in the hope that it will be useful,
  1799  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1800  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1801  //    Lesser General Public License for more details.
  1802  //
  1803  //    You should have received a copy of the GNU Lesser General Public
  1804  //    License along with the GNU C Library; if not, see
  1805  //    <https://www.gnu.org/licenses/>.
  1806  
  1807  // Structure describing a signal stack (obsolete).
  1808  type Sigstack = struct {
  1809  	Fss_sp      uintptr
  1810  	Fss_onstack int32
  1811  } /* struct_sigstack.h:23:1 */
  1812  
  1813  // Some of the functions for handling signals in threaded programs must
  1814  //    be defined here.
  1815  // Declaration of common pthread types for all architectures.
  1816  //    Copyright (C) 2017-2020 Free Software Foundation, Inc.
  1817  //    This file is part of the GNU C Library.
  1818  //
  1819  //    The GNU C Library is free software; you can redistribute it and/or
  1820  //    modify it under the terms of the GNU Lesser General Public
  1821  //    License as published by the Free Software Foundation; either
  1822  //    version 2.1 of the License, or (at your option) any later version.
  1823  //
  1824  //    The GNU C Library is distributed in the hope that it will be useful,
  1825  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1826  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1827  //    Lesser General Public License for more details.
  1828  //
  1829  //    You should have received a copy of the GNU Lesser General Public
  1830  //    License along with the GNU C Library; if not, see
  1831  //    <https://www.gnu.org/licenses/>.
  1832  
  1833  // For internal mutex and condition variable definitions.
  1834  // Common threading primitives definitions for both POSIX and C11.
  1835  //    Copyright (C) 2017-2020 Free Software Foundation, Inc.
  1836  //    This file is part of the GNU C Library.
  1837  //
  1838  //    The GNU C Library is free software; you can redistribute it and/or
  1839  //    modify it under the terms of the GNU Lesser General Public
  1840  //    License as published by the Free Software Foundation; either
  1841  //    version 2.1 of the License, or (at your option) any later version.
  1842  //
  1843  //    The GNU C Library is distributed in the hope that it will be useful,
  1844  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1845  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1846  //    Lesser General Public License for more details.
  1847  //
  1848  //    You should have received a copy of the GNU Lesser General Public
  1849  //    License along with the GNU C Library; if not, see
  1850  //    <https://www.gnu.org/licenses/>.
  1851  
  1852  // Arch-specific definitions.  Each architecture must define the following
  1853  //    macros to define the expected sizes of pthread data types:
  1854  //
  1855  //    __SIZEOF_PTHREAD_ATTR_T        - size of pthread_attr_t.
  1856  //    __SIZEOF_PTHREAD_MUTEX_T       - size of pthread_mutex_t.
  1857  //    __SIZEOF_PTHREAD_MUTEXATTR_T   - size of pthread_mutexattr_t.
  1858  //    __SIZEOF_PTHREAD_COND_T        - size of pthread_cond_t.
  1859  //    __SIZEOF_PTHREAD_CONDATTR_T    - size of pthread_condattr_t.
  1860  //    __SIZEOF_PTHREAD_RWLOCK_T      - size of pthread_rwlock_t.
  1861  //    __SIZEOF_PTHREAD_RWLOCKATTR_T  - size of pthread_rwlockattr_t.
  1862  //    __SIZEOF_PTHREAD_BARRIER_T     - size of pthread_barrier_t.
  1863  //    __SIZEOF_PTHREAD_BARRIERATTR_T - size of pthread_barrierattr_t.
  1864  //
  1865  //    The additional macro defines any constraint for the lock alignment
  1866  //    inside the thread structures:
  1867  //
  1868  //    __LOCK_ALIGNMENT - for internal lock/futex usage.
  1869  //
  1870  //    Same idea but for the once locking primitive:
  1871  //
  1872  //    __ONCE_ALIGNMENT - for pthread_once_t/once_flag definition.
  1873  
  1874  // Machine-specific pthread type layouts.  Generic version.
  1875  //    Copyright (C) 2019-2020 Free Software Foundation, Inc.
  1876  //
  1877  //    This file is part of the GNU C Library.
  1878  //
  1879  //    The GNU C Library is free software; you can redistribute it and/or
  1880  //    modify it under the terms of the GNU Lesser General Public
  1881  //    License as published by the Free Software Foundation; either
  1882  //    version 2.1 of the License, or (at your option) any later version.
  1883  //
  1884  //    The GNU C Library is distributed in the hope that it will be useful,
  1885  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1886  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1887  //    Lesser General Public License for more details.
  1888  //
  1889  //    You should have received a copy of the GNU Lesser General Public
  1890  //    License along with the GNU C Library; if not, see
  1891  //    <http://www.gnu.org/licenses/>.
  1892  
  1893  // Copyright (C) 1999-2020 Free Software Foundation, Inc.
  1894  //    This file is part of the GNU C Library.
  1895  //
  1896  //    The GNU C Library is free software; you can redistribute it and/or
  1897  //    modify it under the terms of the GNU Lesser General Public
  1898  //    License as published by the Free Software Foundation; either
  1899  //    version 2.1 of the License, or (at your option) any later version.
  1900  //
  1901  //    The GNU C Library is distributed in the hope that it will be useful,
  1902  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1903  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1904  //    Lesser General Public License for more details.
  1905  //
  1906  //    You should have received a copy of the GNU Lesser General Public
  1907  //    License along with the GNU C Library; if not, see
  1908  //    <https://www.gnu.org/licenses/>.
  1909  
  1910  // Common definition of pthread_mutex_t.
  1911  
  1912  type X__pthread_internal_list = struct {
  1913  	F__prev uintptr
  1914  	F__next uintptr
  1915  } /* thread-shared-types.h:49:9 */
  1916  
  1917  // Some of the functions for handling signals in threaded programs must
  1918  //    be defined here.
  1919  // Declaration of common pthread types for all architectures.
  1920  //    Copyright (C) 2017-2020 Free Software Foundation, Inc.
  1921  //    This file is part of the GNU C Library.
  1922  //
  1923  //    The GNU C Library is free software; you can redistribute it and/or
  1924  //    modify it under the terms of the GNU Lesser General Public
  1925  //    License as published by the Free Software Foundation; either
  1926  //    version 2.1 of the License, or (at your option) any later version.
  1927  //
  1928  //    The GNU C Library is distributed in the hope that it will be useful,
  1929  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1930  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1931  //    Lesser General Public License for more details.
  1932  //
  1933  //    You should have received a copy of the GNU Lesser General Public
  1934  //    License along with the GNU C Library; if not, see
  1935  //    <https://www.gnu.org/licenses/>.
  1936  
  1937  // For internal mutex and condition variable definitions.
  1938  // Common threading primitives definitions for both POSIX and C11.
  1939  //    Copyright (C) 2017-2020 Free Software Foundation, Inc.
  1940  //    This file is part of the GNU C Library.
  1941  //
  1942  //    The GNU C Library is free software; you can redistribute it and/or
  1943  //    modify it under the terms of the GNU Lesser General Public
  1944  //    License as published by the Free Software Foundation; either
  1945  //    version 2.1 of the License, or (at your option) any later version.
  1946  //
  1947  //    The GNU C Library is distributed in the hope that it will be useful,
  1948  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1949  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1950  //    Lesser General Public License for more details.
  1951  //
  1952  //    You should have received a copy of the GNU Lesser General Public
  1953  //    License along with the GNU C Library; if not, see
  1954  //    <https://www.gnu.org/licenses/>.
  1955  
  1956  // Arch-specific definitions.  Each architecture must define the following
  1957  //    macros to define the expected sizes of pthread data types:
  1958  //
  1959  //    __SIZEOF_PTHREAD_ATTR_T        - size of pthread_attr_t.
  1960  //    __SIZEOF_PTHREAD_MUTEX_T       - size of pthread_mutex_t.
  1961  //    __SIZEOF_PTHREAD_MUTEXATTR_T   - size of pthread_mutexattr_t.
  1962  //    __SIZEOF_PTHREAD_COND_T        - size of pthread_cond_t.
  1963  //    __SIZEOF_PTHREAD_CONDATTR_T    - size of pthread_condattr_t.
  1964  //    __SIZEOF_PTHREAD_RWLOCK_T      - size of pthread_rwlock_t.
  1965  //    __SIZEOF_PTHREAD_RWLOCKATTR_T  - size of pthread_rwlockattr_t.
  1966  //    __SIZEOF_PTHREAD_BARRIER_T     - size of pthread_barrier_t.
  1967  //    __SIZEOF_PTHREAD_BARRIERATTR_T - size of pthread_barrierattr_t.
  1968  //
  1969  //    The additional macro defines any constraint for the lock alignment
  1970  //    inside the thread structures:
  1971  //
  1972  //    __LOCK_ALIGNMENT - for internal lock/futex usage.
  1973  //
  1974  //    Same idea but for the once locking primitive:
  1975  //
  1976  //    __ONCE_ALIGNMENT - for pthread_once_t/once_flag definition.
  1977  
  1978  // Machine-specific pthread type layouts.  Generic version.
  1979  //    Copyright (C) 2019-2020 Free Software Foundation, Inc.
  1980  //
  1981  //    This file is part of the GNU C Library.
  1982  //
  1983  //    The GNU C Library is free software; you can redistribute it and/or
  1984  //    modify it under the terms of the GNU Lesser General Public
  1985  //    License as published by the Free Software Foundation; either
  1986  //    version 2.1 of the License, or (at your option) any later version.
  1987  //
  1988  //    The GNU C Library is distributed in the hope that it will be useful,
  1989  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1990  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1991  //    Lesser General Public License for more details.
  1992  //
  1993  //    You should have received a copy of the GNU Lesser General Public
  1994  //    License along with the GNU C Library; if not, see
  1995  //    <http://www.gnu.org/licenses/>.
  1996  
  1997  // Copyright (C) 1999-2020 Free Software Foundation, Inc.
  1998  //    This file is part of the GNU C Library.
  1999  //
  2000  //    The GNU C Library is free software; you can redistribute it and/or
  2001  //    modify it under the terms of the GNU Lesser General Public
  2002  //    License as published by the Free Software Foundation; either
  2003  //    version 2.1 of the License, or (at your option) any later version.
  2004  //
  2005  //    The GNU C Library is distributed in the hope that it will be useful,
  2006  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  2007  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  2008  //    Lesser General Public License for more details.
  2009  //
  2010  //    You should have received a copy of the GNU Lesser General Public
  2011  //    License along with the GNU C Library; if not, see
  2012  //    <https://www.gnu.org/licenses/>.
  2013  
  2014  // Common definition of pthread_mutex_t.
  2015  
  2016  type X__pthread_list_t = X__pthread_internal_list /* thread-shared-types.h:53:3 */
  2017  
  2018  type X__pthread_internal_slist = struct{ F__next uintptr } /* thread-shared-types.h:55:9 */
  2019  
  2020  type X__pthread_slist_t = X__pthread_internal_slist /* thread-shared-types.h:58:3 */
  2021  
  2022  // Arch-specific mutex definitions.  A generic implementation is provided
  2023  //    by sysdeps/nptl/bits/struct_mutex.h.  If required, an architecture
  2024  //    can override it by defining:
  2025  //
  2026  //    1. struct __pthread_mutex_s (used on both pthread_mutex_t and mtx_t
  2027  //       definition).  It should contains at least the internal members
  2028  //       defined in the generic version.
  2029  //
  2030  //    2. __LOCK_ALIGNMENT for any extra attribute for internal lock used with
  2031  //       atomic operations.
  2032  //
  2033  //    3. The macro __PTHREAD_MUTEX_INITIALIZER used for static initialization.
  2034  //       It should initialize the mutex internal flag.
  2035  
  2036  // Default mutex implementation struct definitions.
  2037  //    Copyright (C) 2019-2020 Free Software Foundation, Inc.
  2038  //    This file is part of the GNU C Library.
  2039  //
  2040  //    The GNU C Library is free software; you can redistribute it and/or
  2041  //    modify it under the terms of the GNU Lesser General Public
  2042  //    License as published by the Free Software Foundation; either
  2043  //    version 2.1 of the License, or (at your option) any later version.
  2044  //
  2045  //    The GNU C Library is distributed in the hope that it will be useful,
  2046  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  2047  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  2048  //    Lesser General Public License for more details.
  2049  //
  2050  //    You should have received a copy of the GNU Lesser General Public
  2051  //    License along with the GNU C Library; if not, see
  2052  //    <http://www.gnu.org/licenses/>.
  2053  
  2054  // Generic struct for both POSIX and C11 mutexes.  New ports are expected
  2055  //    to use the default layout, however architecture can redefine it to
  2056  //    add arch-specific extension (such as lock-elision).  The struct have
  2057  //    a size of 32 bytes on LP32 and 40 bytes on LP64 architectures.
  2058  
  2059  type X__pthread_mutex_s = struct {
  2060  	F__lock   int32
  2061  	F__count  uint32
  2062  	F__owner  int32
  2063  	F__kind   int32
  2064  	F__nusers uint32
  2065  	F__20     struct{ F__spins int32 }
  2066  } /* struct_mutex.h:27:1 */
  2067  
  2068  // Arch-sepecific read-write lock definitions.  A generic implementation is
  2069  //    provided by struct_rwlock.h.  If required, an architecture can override it
  2070  //    by defining:
  2071  //
  2072  //    1. struct __pthread_rwlock_arch_t (used on pthread_rwlock_t definition).
  2073  //       It should contain at least the internal members defined in the
  2074  //       generic version.
  2075  //
  2076  //    2. The macro __PTHREAD_RWLOCK_INITIALIZER used for static initialization.
  2077  //       It should initialize the rwlock internal type.
  2078  
  2079  // Default read-write lock implementation struct definitions.
  2080  //    Copyright (C) 2019-2020 Free Software Foundation, Inc.
  2081  //    This file is part of the GNU C Library.
  2082  //
  2083  //    The GNU C Library is free software; you can redistribute it and/or
  2084  //    modify it under the terms of the GNU Lesser General Public
  2085  //    License as published by the Free Software Foundation; either
  2086  //    version 2.1 of the License, or (at your option) any later version.
  2087  //
  2088  //    The GNU C Library is distributed in the hope that it will be useful,
  2089  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  2090  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  2091  //    Lesser General Public License for more details.
  2092  //
  2093  //    You should have received a copy of the GNU Lesser General Public
  2094  //    License along with the GNU C Library; if not, see
  2095  //    <http://www.gnu.org/licenses/>.
  2096  
  2097  // Endian macros for string.h functions
  2098  //    Copyright (C) 1992-2020 Free Software Foundation, Inc.
  2099  //    This file is part of the GNU C Library.
  2100  //
  2101  //    The GNU C Library is free software; you can redistribute it and/or
  2102  //    modify it under the terms of the GNU Lesser General Public
  2103  //    License as published by the Free Software Foundation; either
  2104  //    version 2.1 of the License, or (at your option) any later version.
  2105  //
  2106  //    The GNU C Library is distributed in the hope that it will be useful,
  2107  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  2108  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  2109  //    Lesser General Public License for more details.
  2110  //
  2111  //    You should have received a copy of the GNU Lesser General Public
  2112  //    License along with the GNU C Library; if not, see
  2113  //    <http://www.gnu.org/licenses/>.
  2114  
  2115  // Generic struct for both POSIX read-write lock.  New ports are expected
  2116  //    to use the default layout, however archictetures can redefine it to add
  2117  //    arch-specific extensions (such as lock-elision).  The struct have a size
  2118  //    of 32 bytes on both LP32 and LP64 architectures.
  2119  
  2120  type X__pthread_rwlock_arch_t = struct {
  2121  	F__readers       uint32
  2122  	F__writers       uint32
  2123  	F__wrphase_futex uint32
  2124  	F__writers_futex uint32
  2125  	F__pad3          uint32
  2126  	F__pad4          uint32
  2127  	F__flags         uint8
  2128  	F__shared        uint8
  2129  	F__pad1          uint8
  2130  	F__pad2          uint8
  2131  	F__cur_writer    int32
  2132  } /* struct_rwlock.h:29:1 */
  2133  
  2134  // Common definition of pthread_cond_t.
  2135  
  2136  type X__pthread_cond_s = struct {
  2137  	F__0            struct{ F__wseq uint64 }
  2138  	F__8            struct{ F__g1_start uint64 }
  2139  	F__g_refs       [2]uint32
  2140  	F__g_size       [2]uint32
  2141  	F__g1_orig_size uint32
  2142  	F__wrefs        uint32
  2143  	F__g_signals    [2]uint32
  2144  } /* thread-shared-types.h:92:1 */
  2145  
  2146  // Thread identifiers.  The structure of the attribute type is not
  2147  //
  2148  //	exposed on purpose.
  2149  type Pthread_t = uint32 /* pthreadtypes.h:27:27 */
  2150  
  2151  // Data structures for mutex handling.  The structure of the attribute
  2152  //
  2153  //	type is not exposed on purpose.
  2154  type Pthread_mutexattr_t = struct {
  2155  	F__ccgo_pad1 [0]uint32
  2156  	F__size      [4]uint8
  2157  } /* pthreadtypes.h:36:3 */
  2158  
  2159  // Data structure for condition variable handling.  The structure of
  2160  //
  2161  //	the attribute type is not exposed on purpose.
  2162  type Pthread_condattr_t = struct {
  2163  	F__ccgo_pad1 [0]uint32
  2164  	F__size      [4]uint8
  2165  } /* pthreadtypes.h:45:3 */
  2166  
  2167  // Keys for thread-specific data
  2168  type Pthread_key_t = uint32 /* pthreadtypes.h:49:22 */
  2169  
  2170  // Once-only execution
  2171  type Pthread_once_t = int32 /* pthreadtypes.h:53:30 */
  2172  
  2173  type Pthread_mutex_t = struct{ F__data X__pthread_mutex_s } /* pthreadtypes.h:72:3 */
  2174  
  2175  type Pthread_cond_t = struct{ F__data X__pthread_cond_s } /* pthreadtypes.h:80:3 */
  2176  
  2177  // Data structure for reader-writer lock variable handling.  The
  2178  //
  2179  //	structure of the attribute type is deliberately not exposed.
  2180  type Pthread_rwlock_t = struct{ F__data X__pthread_rwlock_arch_t } /* pthreadtypes.h:91:3 */
  2181  
  2182  type Pthread_rwlockattr_t = struct {
  2183  	F__ccgo_pad1 [0]uint32
  2184  	F__size      [8]uint8
  2185  } /* pthreadtypes.h:97:3 */
  2186  
  2187  // POSIX spinlock data type.
  2188  type Pthread_spinlock_t = int32 /* pthreadtypes.h:103:22 */
  2189  
  2190  // POSIX barriers data type.  The structure of the type is
  2191  //
  2192  //	deliberately not exposed.
  2193  type Pthread_barrier_t = struct {
  2194  	F__ccgo_pad1 [0]uint32
  2195  	F__size      [20]uint8
  2196  } /* pthreadtypes.h:112:3 */
  2197  
  2198  type Pthread_barrierattr_t = struct {
  2199  	F__ccgo_pad1 [0]uint32
  2200  	F__size      [4]uint8
  2201  } /* pthreadtypes.h:118:3 */
  2202  
  2203  // System-specific extensions.
  2204  // System-specific extensions of <signal.h>, Linux version.
  2205  //    Copyright (C) 2019-2020 Free Software Foundation, Inc.
  2206  //    This file is part of the GNU C Library.
  2207  //
  2208  //    The GNU C Library is free software; you can redistribute it and/or
  2209  //    modify it under the terms of the GNU Lesser General Public
  2210  //    License as published by the Free Software Foundation; either
  2211  //    version 2.1 of the License, or (at your option) any later version.
  2212  //
  2213  //    The GNU C Library is distributed in the hope that it will be useful,
  2214  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  2215  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  2216  //    Lesser General Public License for more details.
  2217  //
  2218  //    You should have received a copy of the GNU Lesser General Public
  2219  //    License along with the GNU C Library; if not, see
  2220  //    <https://www.gnu.org/licenses/>.
  2221  
  2222  var _ uint8 /* gen.c:2:13: */