100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/* A GNU-like <sched.h>.
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Copyright (C) 2008-2022 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file 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
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef _@GUARD_PREFIX@_SCHED_H
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#if __GNUC__ >= 3
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@PRAGMA_SYSTEM_HEADER@
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#endif
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@PRAGMA_COLUMNS@
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/* The include_next requires a split double-inclusion guard. */
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#if @HAVE_SCHED_H@
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# if @HAVE_SYS_CDEFS_H@
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# include <sys/cdefs.h>
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# endif
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# @INCLUDE_NEXT@ @NEXT_SCHED_H@
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#endif
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#ifndef _@GUARD_PREFIX@_SCHED_H
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#define _@GUARD_PREFIX@_SCHED_H
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/* Get pid_t.
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This is needed on glibc 2.11 (see
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glibc bug <https://sourceware.org/bugzilla/show_bug.cgi?id=13198>)
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and Mac OS X 10.5. */
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#include <sys/types.h>
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#ifdef __KLIBC__
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/* On OS/2 kLIBC, struct sched_param is in spawn.h. */
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# include <spawn.h>
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#endif
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#ifdef __VMS
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/* On OpenVMS, struct sched_param is in <pthread.h>. */
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# include <pthread.h>
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#endif
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/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
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/* The definition of _GL_WARN_ON_USE is copied here. */
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#if !@HAVE_STRUCT_SCHED_PARAM@
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# if !GNULIB_defined_struct_sched_param
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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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# define GNULIB_defined_struct_sched_param 1
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# endif
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#endif
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#if !(defined SCHED_FIFO && defined SCHED_RR && defined SCHED_OTHER)
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# define SCHED_FIFO 1
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# define SCHED_RR 2
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# define SCHED_OTHER 0
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#endif
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#if @GNULIB_SCHED_YIELD@
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# if @REPLACE_SCHED_YIELD@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef sched_yield
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# define sched_yield rpl_sched_yield
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# endif
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_GL_FUNCDECL_RPL (sched_yield, int, (void));
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_GL_CXXALIAS_RPL (sched_yield, int, (void));
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# else
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# if !@HAVE_SCHED_YIELD@
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_GL_FUNCDECL_SYS (sched_yield, int, (void));
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# endif
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_GL_CXXALIAS_SYS (sched_yield, int, (void));
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# endif
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# if __GLIBC__ >= 2
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_GL_CXXALIASWARN (sched_yield);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef sched_yield
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# if HAVE_RAW_DECL_SCHED_YIELD
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_GL_WARN_ON_USE (sched_yield, "sched_yield is not portable - "
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"use gnulib module sched_yield for portability");
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# endif
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#endif
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#endif /* _@GUARD_PREFIX@_SCHED_H */
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#endif /* _@GUARD_PREFIX@_SCHED_H */
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