modernc.org/cc@v1.0.1/v2/headers/linux_386/usr/include/i386-linux-gnu/bits/sched.h (about)

     1  /* Definitions of constants and data structure for POSIX 1003.1b-1993
     2     scheduling interface.
     3     Copyright (C) 1996-2018 Free Software Foundation, Inc.
     4     This file is part of the GNU C Library.
     5  
     6     The GNU C Library is free software; you can redistribute it and/or
     7     modify it under the terms of the GNU Lesser General Public
     8     License as published by the Free Software Foundation; either
     9     version 2.1 of the License, or (at your option) any later version.
    10  
    11     The GNU C Library is distributed in the hope that it will be useful,
    12     but WITHOUT ANY WARRANTY; without even the implied warranty of
    13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    14     Lesser General Public License for more details.
    15  
    16     You should have received a copy of the GNU Lesser General Public
    17     License along with the GNU C Library; if not, see
    18     <http://www.gnu.org/licenses/>.  */
    19  
    20  #ifndef _BITS_SCHED_H
    21  #define _BITS_SCHED_H 1
    22  
    23  #ifndef _SCHED_H
    24  # error "Never include <bits/sched.h> directly; use <sched.h> instead."
    25  #endif
    26  
    27  /* Scheduling algorithms.  */
    28  #define SCHED_OTHER		0
    29  #define SCHED_FIFO		1
    30  #define SCHED_RR		2
    31  #ifdef __USE_GNU
    32  # define SCHED_BATCH		3
    33  # define SCHED_ISO		4
    34  # define SCHED_IDLE		5
    35  # define SCHED_DEADLINE		6
    36  
    37  # define SCHED_RESET_ON_FORK	0x40000000
    38  #endif
    39  
    40  #ifdef __USE_GNU
    41  /* Cloning flags.  */
    42  # define CSIGNAL       0x000000ff	/* Signal mask to be sent at exit.  */
    43  # define CLONE_VM      0x00000100	/* Set if VM shared between processes.  */
    44  # define CLONE_FS      0x00000200	/* Set if fs info shared between processes.  */
    45  # define CLONE_FILES   0x00000400	/* Set if open files shared between processes.  */
    46  # define CLONE_SIGHAND 0x00000800	/* Set if signal handlers shared.  */
    47  # define CLONE_PTRACE  0x00002000	/* Set if tracing continues on the child.  */
    48  # define CLONE_VFORK   0x00004000	/* Set if the parent wants the child to
    49  					   wake it up on mm_release.  */
    50  # define CLONE_PARENT  0x00008000	/* Set if we want to have the same
    51  					   parent as the cloner.  */
    52  # define CLONE_THREAD  0x00010000	/* Set to add to same thread group.  */
    53  # define CLONE_NEWNS   0x00020000	/* Set to create new namespace.  */
    54  # define CLONE_SYSVSEM 0x00040000	/* Set to shared SVID SEM_UNDO semantics.  */
    55  # define CLONE_SETTLS  0x00080000	/* Set TLS info.  */
    56  # define CLONE_PARENT_SETTID 0x00100000	/* Store TID in userlevel buffer
    57  					   before MM copy.  */
    58  # define CLONE_CHILD_CLEARTID 0x00200000	/* Register exit futex and memory
    59  						   location to clear.  */
    60  # define CLONE_DETACHED 0x00400000	/* Create clone detached.  */
    61  # define CLONE_UNTRACED 0x00800000	/* Set if the tracing process can't
    62  					   force CLONE_PTRACE on this clone.  */
    63  # define CLONE_CHILD_SETTID 0x01000000	/* Store TID in userlevel buffer in
    64  					   the child.  */
    65  # define CLONE_NEWCGROUP    0x02000000	/* New cgroup namespace.  */
    66  # define CLONE_NEWUTS	0x04000000	/* New utsname group.  */
    67  # define CLONE_NEWIPC	0x08000000	/* New ipcs.  */
    68  # define CLONE_NEWUSER	0x10000000	/* New user namespace.  */
    69  # define CLONE_NEWPID	0x20000000	/* New pid namespace.  */
    70  # define CLONE_NEWNET	0x40000000	/* New network namespace.  */
    71  # define CLONE_IO	0x80000000	/* Clone I/O context.  */
    72  #endif
    73  
    74  /* Data structure to describe a process' schedulability.  */
    75  struct sched_param {
    76  	int sched_priority;
    77  };
    78  
    79  __BEGIN_DECLS
    80  #ifdef __USE_GNU
    81  /* Clone current process.  */
    82  extern int clone(int (*__fn) (void *__arg), void *__child_stack, int __flags, void *__arg, ...) __THROW;
    83  
    84  /* Unshare the specified resources.  */
    85  extern int unshare(int __flags) __THROW;
    86  
    87  /* Get index of currently used CPU.  */
    88  extern int sched_getcpu(void) __THROW;
    89  
    90  /* Switch process to namespace of type NSTYPE indicated by FD.  */
    91  extern int setns(int __fd, int __nstype) __THROW;
    92  #endif
    93  
    94  __END_DECLS
    95  #endif				/* bits/sched.h */