| 1 | /* A GNU-like <sched.h>.
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| 2 | Copyright (C) 2008-2022 Free Software Foundation, Inc.
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| 3 |
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| 4 | This file is free software: you can redistribute it and/or modify
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| 5 | it under the terms of the GNU Lesser General Public License as
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| 6 | published by the Free Software Foundation; either version 2.1 of the
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| 7 | License, or (at your option) any later version.
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| 8 |
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| 9 | This file is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU Lesser General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU Lesser General Public License
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| 15 | along with this program. If not, see <https://www.gnu.org/licenses/>. */
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| 16 |
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| 17 | #ifndef _@GUARD_PREFIX@_SCHED_H
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| 18 |
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| 19 | #if __GNUC__ >= 3
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| 20 | @PRAGMA_SYSTEM_HEADER@
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| 21 | #endif
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| 22 | @PRAGMA_COLUMNS@
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| 23 |
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| 24 | /* The include_next requires a split double-inclusion guard. */
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| 25 | #if @HAVE_SCHED_H@
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| 26 | # if @HAVE_SYS_CDEFS_H@
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| 27 | # include <sys/cdefs.h>
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| 28 | # endif
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| 29 | # @INCLUDE_NEXT@ @NEXT_SCHED_H@
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| 30 | #endif
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| 31 |
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| 32 | #ifndef _@GUARD_PREFIX@_SCHED_H
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| 33 | #define _@GUARD_PREFIX@_SCHED_H
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| 34 |
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| 35 | /* Get pid_t.
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| 36 | This is needed on glibc 2.11 (see
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| 37 | glibc bug <https://sourceware.org/bugzilla/show_bug.cgi?id=13198>)
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| 38 | and Mac OS X 10.5. */
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| 39 | #include <sys/types.h>
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| 40 |
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| 41 | #ifdef __KLIBC__
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| 42 | /* On OS/2 kLIBC, struct sched_param is in spawn.h. */
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| 43 | # include <spawn.h>
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| 44 | #endif
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| 45 |
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| 46 | #ifdef __VMS
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| 47 | /* On OpenVMS, struct sched_param is in <pthread.h>. */
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| 48 | # include <pthread.h>
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| 49 | #endif
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| 50 |
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| 51 | /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
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| 52 |
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| 53 | /* The definition of _GL_WARN_ON_USE is copied here. */
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| 54 |
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| 55 | #if !@HAVE_STRUCT_SCHED_PARAM@
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| 56 |
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| 57 | # if !GNULIB_defined_struct_sched_param
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| 58 | struct sched_param
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| 59 | {
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| 60 | int sched_priority;
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| 61 | };
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| 62 | # define GNULIB_defined_struct_sched_param 1
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| 63 | # endif
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| 64 |
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| 65 | #endif
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| 66 |
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| 67 | #if !(defined SCHED_FIFO && defined SCHED_RR && defined SCHED_OTHER)
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| 68 | # define SCHED_FIFO 1
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| 69 | # define SCHED_RR 2
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| 70 | # define SCHED_OTHER 0
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| 71 | #endif
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| 72 |
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| 73 | #if @GNULIB_SCHED_YIELD@
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| 74 | # if @REPLACE_SCHED_YIELD@
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| 75 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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| 76 | # undef sched_yield
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| 77 | # define sched_yield rpl_sched_yield
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| 78 | # endif
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| 79 | _GL_FUNCDECL_RPL (sched_yield, int, (void));
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| 80 | _GL_CXXALIAS_RPL (sched_yield, int, (void));
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| 81 | # else
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| 82 | # if !@HAVE_SCHED_YIELD@
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| 83 | _GL_FUNCDECL_SYS (sched_yield, int, (void));
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| 84 | # endif
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| 85 | _GL_CXXALIAS_SYS (sched_yield, int, (void));
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| 86 | # endif
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| 87 | # if __GLIBC__ >= 2
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| 88 | _GL_CXXALIASWARN (sched_yield);
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| 89 | # endif
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| 90 | #elif defined GNULIB_POSIXCHECK
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| 91 | # undef sched_yield
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| 92 | # if HAVE_RAW_DECL_SCHED_YIELD
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| 93 | _GL_WARN_ON_USE (sched_yield, "sched_yield is not portable - "
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| 94 | "use gnulib module sched_yield for portability");
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| 95 | # endif
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| 96 | #endif
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| 97 |
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| 98 | #endif /* _@GUARD_PREFIX@_SCHED_H */
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| 99 | #endif /* _@GUARD_PREFIX@_SCHED_H */
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