rm_/lib/sched.in.h
2020-09-02 16:47:03 +08:00

98 lines
2.6 KiB
C

/* A GNU-like <sched.h>.
Copyright (C) 2008-2020 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _@GUARD_PREFIX@_SCHED_H
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
/* The include_next requires a split double-inclusion guard. */
#if @HAVE_SCHED_H@
# if @HAVE_SYS_CDEFS_H@
# include <sys/cdefs.h>
# endif
# @INCLUDE_NEXT@ @NEXT_SCHED_H@
#endif
#ifndef _@GUARD_PREFIX@_SCHED_H
#define _@GUARD_PREFIX@_SCHED_H
/* Get pid_t.
This is needed on glibc 2.11 (see
glibc bug <https://sourceware.org/bugzilla/show_bug.cgi?id=13198>)
and Mac OS X 10.5. */
#include <sys/types.h>
#ifdef __KLIBC__
/* On OS/2 kLIBC, struct sched_param is in spawn.h. */
# include <spawn.h>
#endif
#ifdef __VMS
/* On OpenVMS, struct sched_param is in <pthread.h>. */
# include <pthread.h>
#endif
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
/* The definition of _GL_WARN_ON_USE is copied here. */
#if !@HAVE_STRUCT_SCHED_PARAM@
# if !GNULIB_defined_struct_sched_param
struct sched_param
{
int sched_priority;
};
# define GNULIB_defined_struct_sched_param 1
# endif
#endif
#if !(defined SCHED_FIFO && defined SCHED_RR && defined SCHED_OTHER)
# define SCHED_FIFO 1
# define SCHED_RR 2
# define SCHED_OTHER 0
#endif
#if @GNULIB_SCHED_YIELD@
# if @REPLACE_SCHED_YIELD@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef sched_yield
# define sched_yield rpl_sched_yield
# endif
_GL_FUNCDECL_RPL (sched_yield, int, (void));
_GL_CXXALIAS_RPL (sched_yield, int, (void));
# else
# if !@HAVE_SCHED_YIELD@
_GL_FUNCDECL_SYS (sched_yield, int, (void));
# endif
_GL_CXXALIAS_SYS (sched_yield, int, (void));
# endif
_GL_CXXALIASWARN (sched_yield);
#elif defined GNULIB_POSIXCHECK
# undef sched_yield
# if HAVE_RAW_DECL_SCHED_YIELD
_GL_WARN_ON_USE (sched_yield, "sched_yield is not portable - "
"use gnulib module sched_yield for portability");
# endif
#endif
#endif /* _@GUARD_PREFIX@_SCHED_H */
#endif /* _@GUARD_PREFIX@_SCHED_H */