github.com/afumu/libc@v0.0.6/fcntl/fcntl_linux_arm.go (about)

     1  // Code generated by 'ccgo fcntl/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 fcntl/fcntl_linux_arm.go -pkgname fcntl', DO NOT EDIT.
     2  
     3  package fcntl
     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  	AT_EACCESS            = 0x200
    19  	AT_FDCWD              = -100
    20  	AT_REMOVEDIR          = 0x200
    21  	AT_SYMLINK_FOLLOW     = 0x400
    22  	AT_SYMLINK_NOFOLLOW   = 0x100
    23  	FAPPEND               = 1024
    24  	FASYNC                = 8192
    25  	FD_CLOEXEC            = 1
    26  	FFSYNC                = 1052672
    27  	FNDELAY               = 2048
    28  	FNONBLOCK             = 2048
    29  	F_DUPFD               = 0
    30  	F_DUPFD_CLOEXEC       = 1030
    31  	F_EXLCK               = 4
    32  	F_GETFD               = 1
    33  	F_GETFL               = 3
    34  	F_GETLK               = 12
    35  	F_GETLK64             = 12
    36  	F_GETOWN              = 9
    37  	F_LOCK                = 1
    38  	F_OK                  = 0
    39  	F_RDLCK               = 0
    40  	F_SETFD               = 2
    41  	F_SETFL               = 4
    42  	F_SETLK               = 13
    43  	F_SETLK64             = 13
    44  	F_SETLKW              = 14
    45  	F_SETLKW64            = 14
    46  	F_SETOWN              = 8
    47  	F_SHLCK               = 8
    48  	F_TEST                = 3
    49  	F_TLOCK               = 2
    50  	F_ULOCK               = 0
    51  	F_UNLCK               = 2
    52  	F_WRLCK               = 1
    53  	LOCK_EX               = 2
    54  	LOCK_NB               = 4
    55  	LOCK_SH               = 1
    56  	LOCK_UN               = 8
    57  	O_ACCMODE             = 0003
    58  	O_APPEND              = 02000
    59  	O_ASYNC               = 020000
    60  	O_CLOEXEC             = 524288
    61  	O_CREAT               = 0100
    62  	O_DIRECTORY           = 16384
    63  	O_DSYNC               = 4096
    64  	O_EXCL                = 0200
    65  	O_FSYNC               = 1052672
    66  	O_NDELAY              = 2048
    67  	O_NOCTTY              = 0400
    68  	O_NOFOLLOW            = 32768
    69  	O_NONBLOCK            = 04000
    70  	O_RDONLY              = 00
    71  	O_RDWR                = 02
    72  	O_RSYNC               = 1052672
    73  	O_SYNC                = 04010000
    74  	O_TRUNC               = 01000
    75  	O_WRONLY              = 01
    76  	POSIX_FADV_DONTNEED   = 4
    77  	POSIX_FADV_NOREUSE    = 5
    78  	POSIX_FADV_NORMAL     = 0
    79  	POSIX_FADV_RANDOM     = 1
    80  	POSIX_FADV_SEQUENTIAL = 2
    81  	POSIX_FADV_WILLNEED   = 3
    82  	R_OK                  = 4
    83  	SEEK_CUR              = 1
    84  	SEEK_END              = 2
    85  	SEEK_SET              = 0
    86  	S_IFBLK               = 24576
    87  	S_IFCHR               = 8192
    88  	S_IFDIR               = 16384
    89  	S_IFIFO               = 4096
    90  	S_IFLNK               = 40960
    91  	S_IFMT                = 61440
    92  	S_IFREG               = 32768
    93  	S_IFSOCK              = 49152
    94  	S_IRGRP               = 32
    95  	S_IROTH               = 4
    96  	S_IRUSR               = 256
    97  	S_IRWXG               = 56
    98  	S_IRWXO               = 7
    99  	S_IRWXU               = 448
   100  	S_ISGID               = 1024
   101  	S_ISUID               = 2048
   102  	S_ISVTX               = 512
   103  	S_IWGRP               = 16
   104  	S_IWOTH               = 2
   105  	S_IWUSR               = 128
   106  	S_IXGRP               = 8
   107  	S_IXOTH               = 1
   108  	S_IXUSR               = 64
   109  	UTIME_NOW             = 1073741823
   110  	UTIME_OMIT            = 1073741822
   111  	W_OK                  = 2
   112  	X_OK                  = 1
   113  	X_ATFILE_SOURCE       = 1
   114  	X_BITS_ENDIANNESS_H   = 1
   115  	X_BITS_ENDIAN_H       = 1
   116  	X_BITS_STAT_H         = 1
   117  	X_BITS_TIME64_H       = 1
   118  	X_BITS_TYPESIZES_H    = 1
   119  	X_BITS_TYPES_H        = 1
   120  	X_DEFAULT_SOURCE      = 1
   121  	X_FCNTL_H             = 1
   122  	X_FEATURES_H          = 1
   123  	X_FILE_OFFSET_BITS    = 64
   124  	X_MKNOD_VER           = 1
   125  	X_MKNOD_VER_LINUX     = 1
   126  	X_MKNOD_VER_SVR4      = 2
   127  	X_POSIX_C_SOURCE      = 200809
   128  	X_POSIX_SOURCE        = 1
   129  	X_STATBUF_ST_BLKSIZE  = 0
   130  	X_STATBUF_ST_NSEC     = 0
   131  	X_STATBUF_ST_RDEV     = 0
   132  	X_STAT_VER            = 3
   133  	X_STAT_VER_KERNEL     = 1
   134  	X_STAT_VER_LINUX      = 3
   135  	X_STAT_VER_LINUX_OLD  = 1
   136  	X_STAT_VER_SVR4       = 2
   137  	X_STDC_PREDEF_H       = 1
   138  	X_STRUCT_TIMESPEC     = 1
   139  	X_SYS_CDEFS_H         = 1
   140  	Linux                 = 1
   141  	Unix                  = 1
   142  )
   143  
   144  type Ptrdiff_t = int32 /* <builtin>:3:26 */
   145  
   146  type Size_t = uint32 /* <builtin>:9:23 */
   147  
   148  type Wchar_t = uint32 /* <builtin>:15:24 */
   149  
   150  type X__builtin_va_list = uintptr /* <builtin>:46:14 */
   151  type X__float128 = float64        /* <builtin>:47:21 */
   152  
   153  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   154  //    This file is part of the GNU C Library.
   155  //
   156  //    The GNU C Library is free software; you can redistribute it and/or
   157  //    modify it under the terms of the GNU Lesser General Public
   158  //    License as published by the Free Software Foundation; either
   159  //    version 2.1 of the License, or (at your option) any later version.
   160  //
   161  //    The GNU C Library is distributed in the hope that it will be useful,
   162  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   163  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   164  //    Lesser General Public License for more details.
   165  //
   166  //    You should have received a copy of the GNU Lesser General Public
   167  //    License along with the GNU C Library; if not, see
   168  //    <https://www.gnu.org/licenses/>.
   169  
   170  //	POSIX Standard: 6.5 File Control Operations	<fcntl.h>
   171  
   172  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   173  //    This file is part of the GNU C Library.
   174  //
   175  //    The GNU C Library is free software; you can redistribute it and/or
   176  //    modify it under the terms of the GNU Lesser General Public
   177  //    License as published by the Free Software Foundation; either
   178  //    version 2.1 of the License, or (at your option) any later version.
   179  //
   180  //    The GNU C Library is distributed in the hope that it will be useful,
   181  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   182  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   183  //    Lesser General Public License for more details.
   184  //
   185  //    You should have received a copy of the GNU Lesser General Public
   186  //    License along with the GNU C Library; if not, see
   187  //    <https://www.gnu.org/licenses/>.
   188  
   189  // These are defined by the user (or the compiler)
   190  //    to specify the desired environment:
   191  //
   192  //    __STRICT_ANSI__	ISO Standard C.
   193  //    _ISOC99_SOURCE	Extensions to ISO C89 from ISO C99.
   194  //    _ISOC11_SOURCE	Extensions to ISO C99 from ISO C11.
   195  //    _ISOC2X_SOURCE	Extensions to ISO C99 from ISO C2X.
   196  //    __STDC_WANT_LIB_EXT2__
   197  // 			Extensions to ISO C99 from TR 27431-2:2010.
   198  //    __STDC_WANT_IEC_60559_BFP_EXT__
   199  // 			Extensions to ISO C11 from TS 18661-1:2014.
   200  //    __STDC_WANT_IEC_60559_FUNCS_EXT__
   201  // 			Extensions to ISO C11 from TS 18661-4:2015.
   202  //    __STDC_WANT_IEC_60559_TYPES_EXT__
   203  // 			Extensions to ISO C11 from TS 18661-3:2015.
   204  //
   205  //    _POSIX_SOURCE	IEEE Std 1003.1.
   206  //    _POSIX_C_SOURCE	If ==1, like _POSIX_SOURCE; if >=2 add IEEE Std 1003.2;
   207  // 			if >=199309L, add IEEE Std 1003.1b-1993;
   208  // 			if >=199506L, add IEEE Std 1003.1c-1995;
   209  // 			if >=200112L, all of IEEE 1003.1-2004
   210  // 			if >=200809L, all of IEEE 1003.1-2008
   211  //    _XOPEN_SOURCE	Includes POSIX and XPG things.  Set to 500 if
   212  // 			Single Unix conformance is wanted, to 600 for the
   213  // 			sixth revision, to 700 for the seventh revision.
   214  //    _XOPEN_SOURCE_EXTENDED XPG things and X/Open Unix extensions.
   215  //    _LARGEFILE_SOURCE	Some more functions for correct standard I/O.
   216  //    _LARGEFILE64_SOURCE	Additional functionality from LFS for large files.
   217  //    _FILE_OFFSET_BITS=N	Select default filesystem interface.
   218  //    _ATFILE_SOURCE	Additional *at interfaces.
   219  //    _GNU_SOURCE		All of the above, plus GNU extensions.
   220  //    _DEFAULT_SOURCE	The default set of features (taking precedence over
   221  // 			__STRICT_ANSI__).
   222  //
   223  //    _FORTIFY_SOURCE	Add security hardening to many library functions.
   224  // 			Set to 1 or 2; 2 performs stricter checks than 1.
   225  //
   226  //    _REENTRANT, _THREAD_SAFE
   227  // 			Obsolete; equivalent to _POSIX_C_SOURCE=199506L.
   228  //
   229  //    The `-ansi' switch to the GNU C compiler, and standards conformance
   230  //    options such as `-std=c99', define __STRICT_ANSI__.  If none of
   231  //    these are defined, or if _DEFAULT_SOURCE is defined, the default is
   232  //    to have _POSIX_SOURCE set to one and _POSIX_C_SOURCE set to
   233  //    200809L, as well as enabling miscellaneous functions from BSD and
   234  //    SVID.  If more than one of these are defined, they accumulate.  For
   235  //    example __STRICT_ANSI__, _POSIX_SOURCE and _POSIX_C_SOURCE together
   236  //    give you ISO C, 1003.1, and 1003.2, but nothing else.
   237  //
   238  //    These are defined by this file and are used by the
   239  //    header files to decide what to declare or define:
   240  //
   241  //    __GLIBC_USE (F)	Define things from feature set F.  This is defined
   242  // 			to 1 or 0; the subsequent macros are either defined
   243  // 			or undefined, and those tests should be moved to
   244  // 			__GLIBC_USE.
   245  //    __USE_ISOC11		Define ISO C11 things.
   246  //    __USE_ISOC99		Define ISO C99 things.
   247  //    __USE_ISOC95		Define ISO C90 AMD1 (C95) things.
   248  //    __USE_ISOCXX11	Define ISO C++11 things.
   249  //    __USE_POSIX		Define IEEE Std 1003.1 things.
   250  //    __USE_POSIX2		Define IEEE Std 1003.2 things.
   251  //    __USE_POSIX199309	Define IEEE Std 1003.1, and .1b things.
   252  //    __USE_POSIX199506	Define IEEE Std 1003.1, .1b, .1c and .1i things.
   253  //    __USE_XOPEN		Define XPG things.
   254  //    __USE_XOPEN_EXTENDED	Define X/Open Unix things.
   255  //    __USE_UNIX98		Define Single Unix V2 things.
   256  //    __USE_XOPEN2K        Define XPG6 things.
   257  //    __USE_XOPEN2KXSI     Define XPG6 XSI things.
   258  //    __USE_XOPEN2K8       Define XPG7 things.
   259  //    __USE_XOPEN2K8XSI    Define XPG7 XSI things.
   260  //    __USE_LARGEFILE	Define correct standard I/O things.
   261  //    __USE_LARGEFILE64	Define LFS things with separate names.
   262  //    __USE_FILE_OFFSET64	Define 64bit interface as default.
   263  //    __USE_MISC		Define things from 4.3BSD or System V Unix.
   264  //    __USE_ATFILE		Define *at interfaces and AT_* constants for them.
   265  //    __USE_GNU		Define GNU extensions.
   266  //    __USE_FORTIFY_LEVEL	Additional security measures used, according to level.
   267  //
   268  //    The macros `__GNU_LIBRARY__', `__GLIBC__', and `__GLIBC_MINOR__' are
   269  //    defined by this file unconditionally.  `__GNU_LIBRARY__' is provided
   270  //    only for compatibility.  All new code should use the other symbols
   271  //    to test for features.
   272  //
   273  //    All macros listed above as possibly being defined by this file are
   274  //    explicitly undefined if they are not explicitly defined.
   275  //    Feature-test macros that are not defined by the user or compiler
   276  //    but are implied by the other feature-test macros defined (or by the
   277  //    lack of any definitions) are defined by the file.
   278  //
   279  //    ISO C feature test macros depend on the definition of the macro
   280  //    when an affected header is included, not when the first system
   281  //    header is included, and so they are handled in
   282  //    <bits/libc-header-start.h>, which does not have a multiple include
   283  //    guard.  Feature test macros that can be handled from the first
   284  //    system header included are handled here.
   285  
   286  // Undefine everything, so we get a clean slate.
   287  
   288  // Suppress kernel-name space pollution unless user expressedly asks
   289  //    for it.
   290  
   291  // Convenience macro to test the version of gcc.
   292  //    Use like this:
   293  //    #if __GNUC_PREREQ (2,8)
   294  //    ... code requiring gcc 2.8 or later ...
   295  //    #endif
   296  //    Note: only works for GCC 2.0 and later, because __GNUC_MINOR__ was
   297  //    added in 2.0.
   298  
   299  // Similarly for clang.  Features added to GCC after version 4.2 may
   300  //    or may not also be available in clang, and clang's definitions of
   301  //    __GNUC(_MINOR)__ are fixed at 4 and 2 respectively.  Not all such
   302  //    features can be queried via __has_extension/__has_feature.
   303  
   304  // Whether to use feature set F.
   305  
   306  // _BSD_SOURCE and _SVID_SOURCE are deprecated aliases for
   307  //    _DEFAULT_SOURCE.  If _DEFAULT_SOURCE is present we do not
   308  //    issue a warning; the expectation is that the source is being
   309  //    transitioned to use the new macro.
   310  
   311  // If _GNU_SOURCE was defined by the user, turn on all the other features.
   312  
   313  // If nothing (other than _GNU_SOURCE and _DEFAULT_SOURCE) is defined,
   314  //    define _DEFAULT_SOURCE.
   315  
   316  // This is to enable the ISO C2X extension.
   317  
   318  // This is to enable the ISO C11 extension.
   319  
   320  // This is to enable the ISO C99 extension.
   321  
   322  // This is to enable the ISO C90 Amendment 1:1995 extension.
   323  
   324  // If none of the ANSI/POSIX macros are defined, or if _DEFAULT_SOURCE
   325  //    is defined, use POSIX.1-2008 (or another version depending on
   326  //    _XOPEN_SOURCE).
   327  
   328  // Some C libraries once required _REENTRANT and/or _THREAD_SAFE to be
   329  //    defined in all multithreaded code.  GNU libc has not required this
   330  //    for many years.  We now treat them as compatibility synonyms for
   331  //    _POSIX_C_SOURCE=199506L, which is the earliest level of POSIX with
   332  //    comprehensive support for multithreaded code.  Using them never
   333  //    lowers the selected level of POSIX conformance, only raises it.
   334  
   335  // The function 'gets' existed in C89, but is impossible to use
   336  //    safely.  It has been removed from ISO C11 and ISO C++14.  Note: for
   337  //    compatibility with various implementations of <cstdio>, this test
   338  //    must consider only the value of __cplusplus when compiling C++.
   339  
   340  // GNU formerly extended the scanf functions with modified format
   341  //    specifiers %as, %aS, and %a[...] that allocate a buffer for the
   342  //    input using malloc.  This extension conflicts with ISO C99, which
   343  //    defines %a as a standalone format specifier that reads a floating-
   344  //    point number; moreover, POSIX.1-2008 provides the same feature
   345  //    using the modifier letter 'm' instead (%ms, %mS, %m[...]).
   346  //
   347  //    We now follow C99 unless GNU extensions are active and the compiler
   348  //    is specifically in C89 or C++98 mode (strict or not).  For
   349  //    instance, with GCC, -std=gnu11 will have C99-compliant scanf with
   350  //    or without -D_GNU_SOURCE, but -std=c89 -D_GNU_SOURCE will have the
   351  //    old extension.
   352  
   353  // Get definitions of __STDC_* predefined macros, if the compiler has
   354  //    not preincluded this header automatically.
   355  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   356  //    This file is part of the GNU C Library.
   357  //
   358  //    The GNU C Library is free software; you can redistribute it and/or
   359  //    modify it under the terms of the GNU Lesser General Public
   360  //    License as published by the Free Software Foundation; either
   361  //    version 2.1 of the License, or (at your option) any later version.
   362  //
   363  //    The GNU C Library is distributed in the hope that it will be useful,
   364  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   365  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   366  //    Lesser General Public License for more details.
   367  //
   368  //    You should have received a copy of the GNU Lesser General Public
   369  //    License along with the GNU C Library; if not, see
   370  //    <https://www.gnu.org/licenses/>.
   371  
   372  // This macro indicates that the installed library is the GNU C Library.
   373  //    For historic reasons the value now is 6 and this will stay from now
   374  //    on.  The use of this variable is deprecated.  Use __GLIBC__ and
   375  //    __GLIBC_MINOR__ now (see below) when you want to test for a specific
   376  //    GNU C library version and use the values in <gnu/lib-names.h> to get
   377  //    the sonames of the shared libraries.
   378  
   379  // Major and minor version number of the GNU C library package.  Use
   380  //    these macros to test for features in specific releases.
   381  
   382  // This is here only because every header file already includes this one.
   383  // Copyright (C) 1992-2020 Free Software Foundation, Inc.
   384  //    This file is part of the GNU C Library.
   385  //
   386  //    The GNU C Library is free software; you can redistribute it and/or
   387  //    modify it under the terms of the GNU Lesser General Public
   388  //    License as published by the Free Software Foundation; either
   389  //    version 2.1 of the License, or (at your option) any later version.
   390  //
   391  //    The GNU C Library is distributed in the hope that it will be useful,
   392  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   393  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   394  //    Lesser General Public License for more details.
   395  //
   396  //    You should have received a copy of the GNU Lesser General Public
   397  //    License along with the GNU C Library; if not, see
   398  //    <https://www.gnu.org/licenses/>.
   399  
   400  // We are almost always included from features.h.
   401  
   402  // The GNU libc does not support any K&R compilers or the traditional mode
   403  //    of ISO C compilers anymore.  Check for some of the combinations not
   404  //    anymore supported.
   405  
   406  // Some user header file might have defined this before.
   407  
   408  // All functions, except those with callbacks or those that
   409  //    synchronize memory, are leaf functions.
   410  
   411  // GCC can always grok prototypes.  For C++ programs we add throw()
   412  //    to help it optimize the function calls.  But this works only with
   413  //    gcc 2.8.x and egcs.  For gcc 3.2 and up we even mark C functions
   414  //    as non-throwing using a function attribute since programs can use
   415  //    the -fexceptions options for C code as well.
   416  
   417  // Compilers that are not clang may object to
   418  //        #if defined __clang__ && __has_extension(...)
   419  //    even though they do not need to evaluate the right-hand side of the &&.
   420  
   421  // These two macros are not used in glibc anymore.  They are kept here
   422  //    only because some other projects expect the macros to be defined.
   423  
   424  // For these things, GCC behaves the ANSI way normally,
   425  //    and the non-ANSI way under -traditional.
   426  
   427  // This is not a typedef so `const __ptr_t' does the right thing.
   428  
   429  // C++ needs to know that types and declarations are C, not C++.
   430  
   431  // Fortify support.
   432  
   433  // Support for flexible arrays.
   434  //    Headers that should use flexible arrays only if they're "real"
   435  //    (e.g. only if they won't affect sizeof()) should test
   436  //    #if __glibc_c99_flexarr_available.
   437  
   438  // __asm__ ("xyz") is used throughout the headers to rename functions
   439  //    at the assembly language level.  This is wrapped by the __REDIRECT
   440  //    macro, in order to support compilers that can do this some other
   441  //    way.  When compilers don't support asm-names at all, we have to do
   442  //    preprocessor tricks instead (which don't have exactly the right
   443  //    semantics, but it's the best we can do).
   444  //
   445  //    Example:
   446  //    int __REDIRECT(setpgrp, (__pid_t pid, __pid_t pgrp), setpgid);
   447  
   448  //
   449  // #elif __SOME_OTHER_COMPILER__
   450  //
   451  // # define __REDIRECT(name, proto, alias) name proto; 	_Pragma("let " #name " = " #alias)
   452  
   453  // GCC has various useful declarations that can be made with the
   454  //    `__attribute__' syntax.  All of the ways we use this do fine if
   455  //    they are omitted for compilers that don't understand it.
   456  
   457  // At some point during the gcc 2.96 development the `malloc' attribute
   458  //    for functions was introduced.  We don't want to use it unconditionally
   459  //    (although this would be possible) since it generates warnings.
   460  
   461  // Tell the compiler which arguments to an allocation function
   462  //    indicate the size of the allocation.
   463  
   464  // At some point during the gcc 2.96 development the `pure' attribute
   465  //    for functions was introduced.  We don't want to use it unconditionally
   466  //    (although this would be possible) since it generates warnings.
   467  
   468  // This declaration tells the compiler that the value is constant.
   469  
   470  // At some point during the gcc 3.1 development the `used' attribute
   471  //    for functions was introduced.  We don't want to use it unconditionally
   472  //    (although this would be possible) since it generates warnings.
   473  
   474  // Since version 3.2, gcc allows marking deprecated functions.
   475  
   476  // Since version 4.5, gcc also allows one to specify the message printed
   477  //    when a deprecated function is used.  clang claims to be gcc 4.2, but
   478  //    may also support this feature.
   479  
   480  // At some point during the gcc 2.8 development the `format_arg' attribute
   481  //    for functions was introduced.  We don't want to use it unconditionally
   482  //    (although this would be possible) since it generates warnings.
   483  //    If several `format_arg' attributes are given for the same function, in
   484  //    gcc-3.0 and older, all but the last one are ignored.  In newer gccs,
   485  //    all designated arguments are considered.
   486  
   487  // At some point during the gcc 2.97 development the `strfmon' format
   488  //    attribute for functions was introduced.  We don't want to use it
   489  //    unconditionally (although this would be possible) since it
   490  //    generates warnings.
   491  
   492  // The nonull function attribute allows to mark pointer parameters which
   493  //    must not be NULL.
   494  
   495  // If fortification mode, we warn about unused results of certain
   496  //    function calls which can lead to problems.
   497  
   498  // Forces a function to be always inlined.
   499  // The Linux kernel defines __always_inline in stddef.h (283d7573), and
   500  //    it conflicts with this definition.  Therefore undefine it first to
   501  //    allow either header to be included first.
   502  
   503  // Associate error messages with the source location of the call site rather
   504  //    than with the source location inside the function.
   505  
   506  // GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
   507  //    inline semantics, unless -fgnu89-inline is used.  Using __GNUC_STDC_INLINE__
   508  //    or __GNUC_GNU_INLINE is not a good enough check for gcc because gcc versions
   509  //    older than 4.3 may define these macros and still not guarantee GNU inlining
   510  //    semantics.
   511  //
   512  //    clang++ identifies itself as gcc-4.2, but has support for GNU inlining
   513  //    semantics, that can be checked for by using the __GNUC_STDC_INLINE_ and
   514  //    __GNUC_GNU_INLINE__ macro definitions.
   515  
   516  // GCC 4.3 and above allow passing all anonymous arguments of an
   517  //    __extern_always_inline function to some other vararg function.
   518  
   519  // It is possible to compile containing GCC extensions even if GCC is
   520  //    run in pedantic mode if the uses are carefully marked using the
   521  //    `__extension__' keyword.  But this is not generally available before
   522  //    version 2.8.
   523  
   524  // __restrict is known in EGCS 1.2 and above.
   525  
   526  // ISO C99 also allows to declare arrays as non-overlapping.  The syntax is
   527  //      array_name[restrict]
   528  //    GCC 3.1 supports this.
   529  
   530  // Describes a char array whose address can safely be passed as the first
   531  //    argument to strncpy and strncat, as the char array is not necessarily
   532  //    a NUL-terminated string.
   533  
   534  // Undefine (also defined in libc-symbols.h).
   535  // Copies attributes from the declaration or type referenced by
   536  //    the argument.
   537  
   538  // Copyright (C) 1999-2020 Free Software Foundation, Inc.
   539  //    This file is part of the GNU C Library.
   540  //
   541  //    The GNU C Library is free software; you can redistribute it and/or
   542  //    modify it under the terms of the GNU Lesser General Public
   543  //    License as published by the Free Software Foundation; either
   544  //    version 2.1 of the License, or (at your option) any later version.
   545  //
   546  //    The GNU C Library is distributed in the hope that it will be useful,
   547  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   548  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   549  //    Lesser General Public License for more details.
   550  //
   551  //    You should have received a copy of the GNU Lesser General Public
   552  //    License along with the GNU C Library; if not, see
   553  //    <https://www.gnu.org/licenses/>.
   554  
   555  // Properties of long double type.
   556  //    Copyright (C) 2016-2020 Free Software Foundation, Inc.
   557  //    This file is part of the GNU C Library.
   558  //
   559  //    The GNU C Library is free software; you can redistribute it and/or
   560  //    modify it under the terms of the GNU Lesser General Public
   561  //    License  published by the Free Software Foundation; either
   562  //    version 2.1 of the License, or (at your option) any later version.
   563  //
   564  //    The GNU C Library is distributed in the hope that it will be useful,
   565  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   566  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   567  //    Lesser General Public License for more details.
   568  //
   569  //    You should have received a copy of the GNU Lesser General Public
   570  //    License along with the GNU C Library; if not, see
   571  //    <https://www.gnu.org/licenses/>.
   572  
   573  // This header is included by <sys/cdefs.h>.
   574  //
   575  //    If long double is ABI-compatible with double, it should define
   576  //    __NO_LONG_DOUBLE_MATH to 1; otherwise, it should leave
   577  //    __NO_LONG_DOUBLE_MATH undefined.
   578  //
   579  //    If this build of the GNU C Library supports both long double
   580  //    ABI-compatible with double and some other long double format not
   581  //    ABI-compatible with double, it should define
   582  //    __LONG_DOUBLE_MATH_OPTIONAL to 1; otherwise, it should leave
   583  //    __LONG_DOUBLE_MATH_OPTIONAL undefined.
   584  //
   585  //    If __NO_LONG_DOUBLE_MATH is already defined, this header must not
   586  //    define anything; this is needed to work with the definition of
   587  //    __NO_LONG_DOUBLE_MATH in nldbl-compat.h.
   588  
   589  // In the default version of this header, long double is
   590  //    ABI-compatible with double.
   591  
   592  // __glibc_macro_warning (MESSAGE) issues warning MESSAGE.  This is
   593  //    intended for use in preprocessor macros.
   594  //
   595  //    Note: MESSAGE must be a _single_ string; concatenation of string
   596  //    literals is not supported.
   597  
   598  // Generic selection (ISO C11) is a C-only feature, available in GCC
   599  //    since version 4.9.  Previous versions do not provide generic
   600  //    selection, even though they might set __STDC_VERSION__ to 201112L,
   601  //    when in -std=c11 mode.  Thus, we must check for !defined __GNUC__
   602  //    when testing __STDC_VERSION__ for generic selection support.
   603  //    On the other hand, Clang also defines __GNUC__, so a clang-specific
   604  //    check is required to enable the use of generic selection.
   605  
   606  // If we don't have __REDIRECT, prototypes will be missing if
   607  //    __USE_FILE_OFFSET64 but not __USE_LARGEFILE[64].
   608  
   609  // Decide whether we can define 'extern inline' functions in headers.
   610  
   611  // This is here only because every header file already includes this one.
   612  //    Get the definitions of all the appropriate `__stub_FUNCTION' symbols.
   613  //    <gnu/stubs.h> contains `#define __stub_FUNCTION' when FUNCTION is a stub
   614  //    that will always return failure (and set errno to ENOSYS).
   615  // This file is automatically generated.
   616  //    This file selects the right generated file of `__stub_FUNCTION' macros
   617  //    based on the architecture being compiled for.
   618  
   619  // This file is automatically generated.
   620  //    It defines a symbol `__stub_FUNCTION' for each function
   621  //    in the C library which is a stub, meaning it will fail
   622  //    every time called, usually setting errno to ENOSYS.
   623  
   624  // This must be early so <bits/fcntl.h> can define types winningly.
   625  
   626  // Get __mode_t, __dev_t and __off_t  .
   627  // bits/types.h -- definitions of __*_t types underlying *_t types.
   628  //    Copyright (C) 2002-2020 Free Software Foundation, Inc.
   629  //    This file is part of the GNU C Library.
   630  //
   631  //    The GNU C Library is free software; you can redistribute it and/or
   632  //    modify it under the terms of the GNU Lesser General Public
   633  //    License as published by the Free Software Foundation; either
   634  //    version 2.1 of the License, or (at your option) any later version.
   635  //
   636  //    The GNU C Library is distributed in the hope that it will be useful,
   637  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   638  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   639  //    Lesser General Public License for more details.
   640  //
   641  //    You should have received a copy of the GNU Lesser General Public
   642  //    License along with the GNU C Library; if not, see
   643  //    <https://www.gnu.org/licenses/>.
   644  
   645  // Never include this file directly; use <sys/types.h> instead.
   646  
   647  // Copyright (C) 1991-2020 Free Software Foundation, Inc.
   648  //    This file is part of the GNU C Library.
   649  //
   650  //    The GNU C Library is free software; you can redistribute it and/or
   651  //    modify it under the terms of the GNU Lesser General Public
   652  //    License as published by the Free Software Foundation; either
   653  //    version 2.1 of the License, or (at your option) any later version.
   654  //
   655  //    The GNU C Library is distributed in the hope that it will be useful,
   656  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   657  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   658  //    Lesser General Public License for more details.
   659  //
   660  //    You should have received a copy of the GNU Lesser General Public
   661  //    License along with the GNU C Library; if not, see
   662  //    <https://www.gnu.org/licenses/>.
   663  
   664  // Copyright (C) 1999-2020 Free Software Foundation, Inc.
   665  //    This file is part of the GNU C Library.
   666  //
   667  //    The GNU C Library is free software; you can redistribute it and/or
   668  //    modify it under the terms of the GNU Lesser General Public
   669  //    License as published by the Free Software Foundation; either
   670  //    version 2.1 of the License, or (at your option) any later version.
   671  //
   672  //    The GNU C Library is distributed in the hope that it will be useful,
   673  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   674  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   675  //    Lesser General Public License for more details.
   676  //
   677  //    You should have received a copy of the GNU Lesser General Public
   678  //    License along with the GNU C Library; if not, see
   679  //    <https://www.gnu.org/licenses/>.
   680  
   681  // Bit size of the time_t type at glibc build time, general case.
   682  //    Copyright (C) 2018-2020 Free Software Foundation, Inc.
   683  //    This file is part of the GNU C Library.
   684  //
   685  //    The GNU C Library is free software; you can redistribute it and/or
   686  //    modify it under the terms of the GNU Lesser General Public
   687  //    License as published by the Free Software Foundation; either
   688  //    version 2.1 of the License, or (at your option) any later version.
   689  //
   690  //    The GNU C Library is distributed in the hope that it will be useful,
   691  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   692  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   693  //    Lesser General Public License for more details.
   694  //
   695  //    You should have received a copy of the GNU Lesser General Public
   696  //    License along with the GNU C Library; if not, see
   697  //    <https://www.gnu.org/licenses/>.
   698  
   699  // Copyright (C) 1999-2020 Free Software Foundation, Inc.
   700  //    This file is part of the GNU C Library.
   701  //
   702  //    The GNU C Library is free software; you can redistribute it and/or
   703  //    modify it under the terms of the GNU Lesser General Public
   704  //    License as published by the Free Software Foundation; either
   705  //    version 2.1 of the License, or (at your option) any later version.
   706  //
   707  //    The GNU C Library is distributed in the hope that it will be useful,
   708  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   709  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   710  //    Lesser General Public License for more details.
   711  //
   712  //    You should have received a copy of the GNU Lesser General Public
   713  //    License along with the GNU C Library; if not, see
   714  //    <https://www.gnu.org/licenses/>.
   715  
   716  // Size in bits of the 'time_t' type of the default ABI.
   717  
   718  // Convenience types.
   719  type X__u_char = uint8   /* types.h:31:23 */
   720  type X__u_short = uint16 /* types.h:32:28 */
   721  type X__u_int = uint32   /* types.h:33:22 */
   722  type X__u_long = uint32  /* types.h:34:27 */
   723  
   724  // Fixed-size types, underlying types depend on word size and compiler.
   725  type X__int8_t = int8     /* types.h:37:21 */
   726  type X__uint8_t = uint8   /* types.h:38:23 */
   727  type X__int16_t = int16   /* types.h:39:26 */
   728  type X__uint16_t = uint16 /* types.h:40:28 */
   729  type X__int32_t = int32   /* types.h:41:20 */
   730  type X__uint32_t = uint32 /* types.h:42:22 */
   731  type X__int64_t = int64   /* types.h:47:44 */
   732  type X__uint64_t = uint64 /* types.h:48:46 */
   733  
   734  // Smallest types with at least a given width.
   735  type X__int_least8_t = X__int8_t     /* types.h:52:18 */
   736  type X__uint_least8_t = X__uint8_t   /* types.h:53:19 */
   737  type X__int_least16_t = X__int16_t   /* types.h:54:19 */
   738  type X__uint_least16_t = X__uint16_t /* types.h:55:20 */
   739  type X__int_least32_t = X__int32_t   /* types.h:56:19 */
   740  type X__uint_least32_t = X__uint32_t /* types.h:57:20 */
   741  type X__int_least64_t = X__int64_t   /* types.h:58:19 */
   742  type X__uint_least64_t = X__uint64_t /* types.h:59:20 */
   743  
   744  // quad_t is also 64 bits.
   745  type X__quad_t = int64    /* types.h:66:37 */
   746  type X__u_quad_t = uint64 /* types.h:67:46 */
   747  
   748  // Largest integral types.
   749  type X__intmax_t = int64   /* types.h:75:37 */
   750  type X__uintmax_t = uint64 /* types.h:76:46 */
   751  
   752  // The machine-dependent file <bits/typesizes.h> defines __*_T_TYPE
   753  //    macros for each of the OS types we define below.  The definitions
   754  //    of those macros must use the following macros for underlying types.
   755  //    We define __S<SIZE>_TYPE and __U<SIZE>_TYPE for the signed and unsigned
   756  //    variants of each of the following integer types on this machine.
   757  //
   758  // 	16		-- "natural" 16-bit type (always short)
   759  // 	32		-- "natural" 32-bit type (always int)
   760  // 	64		-- "natural" 64-bit type (long or long long)
   761  // 	LONG32		-- 32-bit type, traditionally long
   762  // 	QUAD		-- 64-bit type, traditionally long long
   763  // 	WORD		-- natural type of __WORDSIZE bits (int or long)
   764  // 	LONGWORD	-- type of __WORDSIZE bits, traditionally long
   765  //
   766  //    We distinguish WORD/LONGWORD, 32/LONG32, and 64/QUAD so that the
   767  //    conventional uses of `long' or `long long' type modifiers match the
   768  //    types we define, even when a less-adorned type would be the same size.
   769  //    This matters for (somewhat) portably writing printf/scanf formats for
   770  //    these types, where using the appropriate l or ll format modifiers can
   771  //    make the typedefs and the formats match up across all GNU platforms.  If
   772  //    we used `long' when it's 64 bits where `long long' is expected, then the
   773  //    compiler would warn about the formats not matching the argument types,
   774  //    and the programmer changing them to shut up the compiler would break the
   775  //    program's portability.
   776  //
   777  //    Here we assume what is presently the case in all the GCC configurations
   778  //    we support: long long is always 64 bits, long is always word/address size,
   779  //    and int is always 32 bits.
   780  
   781  // We want __extension__ before typedef's that use nonstandard base types
   782  //    such as `long long' in C89 mode.
   783  // bits/typesizes.h -- underlying types for *_t.  Generic version.
   784  //    Copyright (C) 2002-2020 Free Software Foundation, Inc.
   785  //    This file is part of the GNU C Library.
   786  //
   787  //    The GNU C Library is free software; you can redistribute it and/or
   788  //    modify it under the terms of the GNU Lesser General Public
   789  //    License as published by the Free Software Foundation; either
   790  //    version 2.1 of the License, or (at your option) any later version.
   791  //
   792  //    The GNU C Library is distributed in the hope that it will be useful,
   793  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   794  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   795  //    Lesser General Public License for more details.
   796  //
   797  //    You should have received a copy of the GNU Lesser General Public
   798  //    License along with the GNU C Library; if not, see
   799  //    <https://www.gnu.org/licenses/>.
   800  
   801  // See <bits/types.h> for the meaning of these macros.  This file exists so
   802  //    that <bits/types.h> need not vary across different GNU platforms.
   803  
   804  // Number of descriptors that can fit in an `fd_set'.
   805  
   806  // bits/time64.h -- underlying types for __time64_t.  Generic version.
   807  //    Copyright (C) 2018-2020 Free Software Foundation, Inc.
   808  //    This file is part of the GNU C Library.
   809  //
   810  //    The GNU C Library is free software; you can redistribute it and/or
   811  //    modify it under the terms of the GNU Lesser General Public
   812  //    License as published by the Free Software Foundation; either
   813  //    version 2.1 of the License, or (at your option) any later version.
   814  //
   815  //    The GNU C Library is distributed in the hope that it will be useful,
   816  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   817  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   818  //    Lesser General Public License for more details.
   819  //
   820  //    You should have received a copy of the GNU Lesser General Public
   821  //    License along with the GNU C Library; if not, see
   822  //    <https://www.gnu.org/licenses/>.
   823  
   824  // Define __TIME64_T_TYPE so that it is always a 64-bit type.
   825  
   826  // Define a 64-bit time type alongsize the 32-bit one.
   827  
   828  type X__dev_t = X__uint64_t                /* types.h:145:25 */ // Type of device numbers.
   829  type X__uid_t = uint32                     /* types.h:146:25 */ // Type of user identifications.
   830  type X__gid_t = uint32                     /* types.h:147:25 */ // Type of group identifications.
   831  type X__ino_t = uint32                     /* types.h:148:25 */ // Type of file serial numbers.
   832  type X__ino64_t = X__uint64_t              /* types.h:149:27 */ // Type of file serial numbers (LFS).
   833  type X__mode_t = uint32                    /* types.h:150:26 */ // Type of file attribute bitmasks.
   834  type X__nlink_t = uint32                   /* types.h:151:27 */ // Type of file link counts.
   835  type X__off_t = int32                      /* types.h:152:25 */ // Type of file sizes and offsets.
   836  type X__off64_t = X__int64_t               /* types.h:153:27 */ // Type of file sizes and offsets (LFS).
   837  type X__pid_t = int32                      /* types.h:154:25 */ // Type of process identifications.
   838  type X__fsid_t = struct{ F__val [2]int32 } /* types.h:155:26 */ // Type of file system IDs.
   839  type X__clock_t = int32                    /* types.h:156:27 */ // Type of CPU usage counts.
   840  type X__rlim_t = uint32                    /* types.h:157:26 */ // Type for resource measurement.
   841  type X__rlim64_t = X__uint64_t             /* types.h:158:28 */ // Type for resource measurement (LFS).
   842  type X__id_t = uint32                      /* types.h:159:24 */ // General type for IDs.
   843  type X__time_t = int32                     /* types.h:160:26 */ // Seconds since the Epoch.
   844  type X__useconds_t = uint32                /* types.h:161:30 */ // Count of microseconds.
   845  type X__suseconds_t = int32                /* types.h:162:31 */ // Signed count of microseconds.
   846  
   847  type X__daddr_t = int32 /* types.h:164:27 */ // The type of a disk address.
   848  type X__key_t = int32   /* types.h:165:25 */ // Type of an IPC key.
   849  
   850  // Clock ID used in clock and timer functions.
   851  type X__clockid_t = int32 /* types.h:168:29 */
   852  
   853  // Timer ID returned by `timer_create'.
   854  type X__timer_t = uintptr /* types.h:171:12 */
   855  
   856  // Type to represent block size.
   857  type X__blksize_t = int32 /* types.h:174:29 */
   858  
   859  // Types from the Large File Support interface.
   860  
   861  // Type to count number of disk blocks.
   862  type X__blkcnt_t = int32        /* types.h:179:28 */
   863  type X__blkcnt64_t = X__int64_t /* types.h:180:30 */
   864  
   865  // Type to count file system blocks.
   866  type X__fsblkcnt_t = uint32        /* types.h:183:30 */
   867  type X__fsblkcnt64_t = X__uint64_t /* types.h:184:32 */
   868  
   869  // Type to count file system nodes.
   870  type X__fsfilcnt_t = uint32        /* types.h:187:30 */
   871  type X__fsfilcnt64_t = X__uint64_t /* types.h:188:32 */
   872  
   873  // Type of miscellaneous file system fields.
   874  type X__fsword_t = int32 /* types.h:191:28 */
   875  
   876  type X__ssize_t = int32 /* types.h:193:27 */ // Type of a byte count, or error.
   877  
   878  // Signed long type used in system calls.
   879  type X__syscall_slong_t = int32 /* types.h:196:33 */
   880  // Unsigned long type used in system calls.
   881  type X__syscall_ulong_t = uint32 /* types.h:198:33 */
   882  
   883  // These few don't really vary by system, they always correspond
   884  //
   885  //	to one of the other defined types.
   886  type X__loff_t = X__off64_t /* types.h:202:19 */ // Type of file sizes and offsets (LFS).
   887  type X__caddr_t = uintptr   /* types.h:203:14 */
   888  
   889  // Duplicates info from stdint.h but this is used in unistd.h.
   890  type X__intptr_t = int32 /* types.h:206:25 */
   891  
   892  // Duplicate info from sys/socket.h.
   893  type X__socklen_t = uint32 /* types.h:209:23 */
   894  
   895  // C99: An integer type that can be accessed as an atomic entity,
   896  //
   897  //	even in the presence of asynchronous interrupts.
   898  //	It is not currently necessary for this to be machine-specific.
   899  type X__sig_atomic_t = int32 /* types.h:214:13 */
   900  
   901  // Seconds since the Epoch, visible to user code when time_t is too
   902  //
   903  //	narrow only for consistency with the old way of widening too-narrow
   904  //	types.  User code should never use __time64_t.
   905  type X__time64_t = X__int64_t /* types.h:222:28 */
   906  
   907  // Get the definitions of O_*, F_*, FD_*: all the
   908  //    numbers and flag bits for `open', `fcntl', et al.
   909  // O_*, F_*, FD_* bit values for Linux.
   910  //    Copyright (C) 1995-2020 Free Software Foundation, Inc.
   911  //    This file is part of the GNU C Library.
   912  //
   913  //    The GNU C Library is free software; you can redistribute it and/or
   914  //    modify it under the terms of the GNU Lesser General Public
   915  //    License as published by the Free Software Foundation; either
   916  //    version 2.1 of the License, or (at your option) any later version.
   917  //
   918  //    The GNU C Library is distributed in the hope that it will be useful,
   919  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   920  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   921  //    Lesser General Public License for more details.
   922  //
   923  //    You should have received a copy of the GNU Lesser General Public
   924  //    License along with the GNU C Library.  If not, see
   925  //    <https://www.gnu.org/licenses/>.
   926  
   927  type Flock = struct {
   928  	Fl_type      int16
   929  	Fl_whence    int16
   930  	F__ccgo_pad1 [4]byte
   931  	Fl_start     X__off64_t
   932  	Fl_len       X__off64_t
   933  	Fl_pid       X__pid_t
   934  	F__ccgo_pad2 [4]byte
   935  } /* fcntl.h:28:1 */
   936  
   937  // Include generic Linux declarations.
   938  // O_*, F_*, FD_* bit values for Linux.
   939  //    Copyright (C) 2001-2020 Free Software Foundation, Inc.
   940  //    This file is part of the GNU C Library.
   941  //
   942  //    The GNU C Library is free software; you can redistribute it and/or
   943  //    modify it under the terms of the GNU Lesser General Public
   944  //    License as published by the Free Software Foundation; either
   945  //    version 2.1 of the License, or (at your option) any later version.
   946  //
   947  //    The GNU C Library is distributed in the hope that it will be useful,
   948  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
   949  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   950  //    Lesser General Public License for more details.
   951  //
   952  //    You should have received a copy of the GNU Lesser General Public
   953  //    License along with the GNU C Library; if not, see
   954  //    <https://www.gnu.org/licenses/>.
   955  
   956  // This file contains shared definitions between Linux architectures
   957  //    and is included by <bits/fcntl.h> to declare them.  The various
   958  //    #ifndef cases allow the architecture specific file to define those
   959  //    values with different values.
   960  //
   961  //    A minimal <bits/fcntl.h> contains just:
   962  //
   963  //    struct flock {...}
   964  //    #ifdef __USE_LARGEFILE64
   965  //    struct flock64 {...}
   966  //    #endif
   967  //    #include <bits/fcntl-linux.h>
   968  
   969  // open/fcntl.
   970  
   971  // open file description locks.
   972  //
   973  //    Usually record locks held by a process are released on *any* close and are
   974  //    not inherited across a fork.
   975  //
   976  //    These cmd values will set locks that conflict with process-associated record
   977  //    locks, but are "owned" by the opened file description, not the process.
   978  //    This means that they are inherited across fork or clone with CLONE_FILES
   979  //    like BSD (flock) locks, and they are only released automatically when the
   980  //    last reference to the the file description against which they were acquired
   981  //    is put.
   982  
   983  // For now, Linux has no separate synchronicity options for read
   984  //    operations.  We define O_RSYNC therefore as the same as O_SYNC
   985  //    since this is a superset.
   986  
   987  // Values for the second argument to `fcntl'.
   988  
   989  // For F_[GET|SET]FD.
   990  
   991  // For posix fcntl() and `l_type' field of a `struct flock' for lockf().
   992  
   993  // For old implementation of BSD flock.
   994  
   995  // Operations for BSD flock, also used by the kernel implementation.
   996  
   997  // Define some more compatibility macros to be backward compatible with
   998  //    BSD systems which did not managed to hide these kernel macros.
   999  
  1000  // Advise to `posix_fadvise'.
  1001  
  1002  // Values for `*at' functions.
  1003  
  1004  // Detect if open needs mode as a third argument (or for openat as a fourth
  1005  //    argument).
  1006  
  1007  // POSIX.1-2001 specifies that these types are defined by <fcntl.h>.
  1008  //
  1009  //	Earlier POSIX standards permitted any type ending in `_t' to be defined
  1010  //	by any POSIX header, so we don't conditionalize the definitions here.
  1011  type Mode_t = X__mode_t /* fcntl.h:50:18 */
  1012  
  1013  type Off_t = X__off64_t /* fcntl.h:58:19 */
  1014  
  1015  type Pid_t = X__pid_t /* fcntl.h:69:17 */
  1016  
  1017  // For XPG all symbols from <sys/stat.h> should also be available.
  1018  // NB: Include guard matches what <linux/time.h> uses.
  1019  
  1020  // bits/types.h -- definitions of __*_t types underlying *_t types.
  1021  //    Copyright (C) 2002-2020 Free Software Foundation, Inc.
  1022  //    This file is part of the GNU C Library.
  1023  //
  1024  //    The GNU C Library is free software; you can redistribute it and/or
  1025  //    modify it under the terms of the GNU Lesser General Public
  1026  //    License as published by the Free Software Foundation; either
  1027  //    version 2.1 of the License, or (at your option) any later version.
  1028  //
  1029  //    The GNU C Library is distributed in the hope that it will be useful,
  1030  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1031  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1032  //    Lesser General Public License for more details.
  1033  //
  1034  //    You should have received a copy of the GNU Lesser General Public
  1035  //    License along with the GNU C Library; if not, see
  1036  //    <https://www.gnu.org/licenses/>.
  1037  
  1038  // Never include this file directly; use <sys/types.h> instead.
  1039  
  1040  // Endian macros for string.h functions
  1041  //    Copyright (C) 1992-2020 Free Software Foundation, Inc.
  1042  //    This file is part of the GNU C Library.
  1043  //
  1044  //    The GNU C Library is free software; you can redistribute it and/or
  1045  //    modify it under the terms of the GNU Lesser General Public
  1046  //    License as published by the Free Software Foundation; either
  1047  //    version 2.1 of the License, or (at your option) any later version.
  1048  //
  1049  //    The GNU C Library is distributed in the hope that it will be useful,
  1050  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1051  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1052  //    Lesser General Public License for more details.
  1053  //
  1054  //    You should have received a copy of the GNU Lesser General Public
  1055  //    License along with the GNU C Library; if not, see
  1056  //    <http://www.gnu.org/licenses/>.
  1057  
  1058  // Definitions for byte order, according to significance of bytes,
  1059  //    from low addresses to high addresses.  The value is what you get by
  1060  //    putting '4' in the most significant byte, '3' in the second most
  1061  //    significant byte, '2' in the second least significant byte, and '1'
  1062  //    in the least significant byte, and then writing down one digit for
  1063  //    each byte, starting with the byte at the lowest address at the left,
  1064  //    and proceeding to the byte with the highest address at the right.
  1065  
  1066  // This file defines `__BYTE_ORDER' for the particular machine.
  1067  
  1068  // ARM has selectable endianness.
  1069  
  1070  // Some machines may need to use a different endianness for floating point
  1071  //    values.
  1072  
  1073  // POSIX.1b structure for a time value.  This is like a `struct timeval' but
  1074  //
  1075  //	has nanoseconds instead of microseconds.
  1076  type Timespec = struct {
  1077  	Ftv_sec  X__time_t
  1078  	Ftv_nsec X__syscall_slong_t
  1079  } /* struct_timespec.h:10:1 */
  1080  
  1081  // Copyright (C) 1992-2020 Free Software Foundation, Inc.
  1082  //    This file is part of the GNU C Library.
  1083  //
  1084  //    The GNU C Library is free software; you can redistribute it and/or
  1085  //    modify it under the terms of the GNU Lesser General Public
  1086  //    License as published by the Free Software Foundation; either
  1087  //    version 2.1 of the License, or (at your option) any later version.
  1088  //
  1089  //    The GNU C Library is distributed in the hope that it will be useful,
  1090  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  1091  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  1092  //    Lesser General Public License for more details.
  1093  //
  1094  //    You should have received a copy of the GNU Lesser General Public
  1095  //    License along with the GNU C Library; if not, see
  1096  //    <https://www.gnu.org/licenses/>.
  1097  
  1098  // Versions of the `struct stat' data structure.
  1099  
  1100  // Versions of the `xmknod' interface.
  1101  
  1102  type Stat = struct {
  1103  	Fst_dev      X__dev_t
  1104  	F__pad1      uint16
  1105  	F__ccgo_pad1 [2]byte
  1106  	F__st_ino    X__ino_t
  1107  	Fst_mode     X__mode_t
  1108  	Fst_nlink    X__nlink_t
  1109  	Fst_uid      X__uid_t
  1110  	Fst_gid      X__gid_t
  1111  	Fst_rdev     X__dev_t
  1112  	F__pad2      uint16
  1113  	F__ccgo_pad2 [6]byte
  1114  	Fst_size     X__off64_t
  1115  	Fst_blksize  X__blksize_t
  1116  	F__ccgo_pad3 [4]byte
  1117  	Fst_blocks   X__blkcnt64_t
  1118  	Fst_atim     struct {
  1119  		Ftv_sec  X__time_t
  1120  		Ftv_nsec X__syscall_slong_t
  1121  	}
  1122  	Fst_mtim struct {
  1123  		Ftv_sec  X__time_t
  1124  		Ftv_nsec X__syscall_slong_t
  1125  	}
  1126  	Fst_ctim struct {
  1127  		Ftv_sec  X__time_t
  1128  		Ftv_nsec X__syscall_slong_t
  1129  	}
  1130  	Fst_ino X__ino64_t
  1131  } /* stat.h:38:1 */
  1132  
  1133  // Define some inlines helping to catch common problems.
  1134  
  1135  var _ uint8 /* gen.c:2:13: */