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2002-11-21 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/bits/sched.h: Add new CLONE_* flags. * sysdeps/unix/sysv/linux/i386/clone.S: Add support for CLONE_CHILD_*TID flags.
89 lines
3.3 KiB
C
89 lines
3.3 KiB
C
/* Definitions of constants and data structure for POSIX 1003.1b-1993
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scheduling interface.
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Copyright (C) 1996,1997,1998,1999,2001,2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef __need_schedparam
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#ifndef _SCHED_H
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# error "Never include <bits/sched.h> directly; use <sched.h> instead."
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#endif
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/* Scheduling algorithms. */
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#define SCHED_OTHER 0
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#define SCHED_FIFO 1
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#define SCHED_RR 2
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#ifdef __USE_MISC
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/* Cloning flags. */
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# define CSIGNAL 0x000000ff /* Signal mask to be sent at exit. */
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# define CLONE_VM 0x00000100 /* Set if VM shared between processes. */
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# define CLONE_FS 0x00000200 /* Set if fs info shared between processes. */
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# define CLONE_FILES 0x00000400 /* Set if open files shared between processes. */
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# define CLONE_SIGHAND 0x00000800 /* Set if signal handlers shared. */
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# define CLONE_PID 0x00001000 /* Set if pid shared. */
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# define CLONE_PTRACE 0x00002000 /* Set if tracing continues on the child. */
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# define CLONE_VFORK 0x00004000 /* Set if the parent wants the child to
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wake it up on mm_release. */
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# define CLONE_PARENT 0x00008000 /* Set if we want to have the same
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parent as the cloner. */
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# define CLONE_THREAD 0x00010000 /* Set to add to same thread group. */
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# define CLONE_NEWNS 0x00020000 /* Set to create new namespace. */
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# define CLONE_SYSVSEM 0x00040000 /* Set to shared SVID SEM_UNDO semantics. */
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# define CLONE_SETTLS 0x00080000 /* Set TLS info. */
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# define CLONE_PARENT_SETTID 0x00100000 /* Store TID in userlevel buffer
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before MM copy. */
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# define CLONE_CHILD_CLEARTID 0x00200000 /* Register exit futex and memory
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location to clear. */
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# define CLONE_DETACHED 0x00400000 /* Create clone detached. */
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# define CLONE_UNTRACED 0x00800000 /* Set if the tracing process can't
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force CLONE_PTRACE on this clone. */
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# define CLONE_CHILD_SETTID 0x01000000 /* Store TID in userlevel buffer in
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the child. */
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#endif
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/* The official definition. */
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struct sched_param
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{
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int __sched_priority;
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};
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__BEGIN_DECLS
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/* Clone current process. */
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#ifdef __USE_MISC
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extern int clone (int (*__fn) (void *__arg), void *__child_stack,
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int __flags, void *__arg) __THROW;
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#endif
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__END_DECLS
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#endif /* need schedparam */
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#if !defined __defined_schedparam \
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&& (defined __need_schedparam || defined _SCHED_H)
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# define __defined_schedparam 1
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/* Data structure to describe a process' schedulability. */
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struct __sched_param
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{
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int __sched_priority;
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};
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# undef __need_schedparam
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#endif
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