72 lines
2.3 KiB
C
72 lines
2.3 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 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 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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#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 __P ((int (*__fn) (void *__arg), void *__child_stack,
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int __flags, void *__arg));
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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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