1 /* A GNU-like <sched.h>. 2 Copyright (C) 2008-2021 Free Software Foundation, Inc. 3 4 This program is free software: you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16 17 #ifndef _@GUARD_PREFIX@_SCHED_H 18 19 #if __GNUC__ >= 3 20 @PRAGMA_SYSTEM_HEADER@ 21 #endif 22 @PRAGMA_COLUMNS@ 23 24 /* The include_next requires a split double-inclusion guard. */ 25 #if @HAVE_SCHED_H@ 26 # if @HAVE_SYS_CDEFS_H@ 27 # include <sys/cdefs.h> 28 # endif 29 # @INCLUDE_NEXT@ @NEXT_SCHED_H@ 30 #endif 31 32 #ifndef _@GUARD_PREFIX@_SCHED_H 33 #define _@GUARD_PREFIX@_SCHED_H 34 35 /* Get pid_t. 36 This is needed on glibc 2.11 (see 37 glibc bug <https://sourceware.org/bugzilla/show_bug.cgi?id=13198>) 38 and Mac OS X 10.5. */ 39 #include <sys/types.h> 40 41 #ifdef __KLIBC__ 42 /* On OS/2 kLIBC, struct sched_param is in spawn.h. */ 43 # include <spawn.h> 44 #endif 45 46 #ifdef __VMS 47 /* On OpenVMS, struct sched_param is in <pthread.h>. */ 48 # include <pthread.h> 49 #endif 50 51 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ 52 53 /* The definition of _GL_WARN_ON_USE is copied here. */ 54 55 #if !@HAVE_STRUCT_SCHED_PARAM@ 56 57 # if !GNULIB_defined_struct_sched_param 58 struct sched_param 59 { 60 int sched_priority; 61 }; 62 # define GNULIB_defined_struct_sched_param 1 63 # endif 64 65 #endif 66 67 #if !(defined SCHED_FIFO && defined SCHED_RR && defined SCHED_OTHER) 68 # define SCHED_FIFO 1 69 # define SCHED_RR 2 70 # define SCHED_OTHER 0 71 #endif 72 73 #if @GNULIB_SCHED_YIELD@ 74 # if @REPLACE_SCHED_YIELD@ 75 # if !(defined __cplusplus && defined GNULIB_NAMESPACE) 76 # undef sched_yield 77 # define sched_yield rpl_sched_yield 78 # endif 79 _GL_FUNCDECL_RPL (sched_yield, int, (void)); 80 _GL_CXXALIAS_RPL (sched_yield, int, (void)); 81 # else 82 # if !@HAVE_SCHED_YIELD@ 83 _GL_FUNCDECL_SYS (sched_yield, int, (void)); 84 # endif 85 _GL_CXXALIAS_SYS (sched_yield, int, (void)); 86 # endif 87 # if __GLIBC__ >= 2 88 _GL_CXXALIASWARN (sched_yield); 89 # endif 90 #elif defined GNULIB_POSIXCHECK 91 # undef sched_yield 92 # if HAVE_RAW_DECL_SCHED_YIELD 93 _GL_WARN_ON_USE (sched_yield, "sched_yield is not portable - " 94 "use gnulib module sched_yield for portability"); 95 # endif 96 #endif 97 98 #endif /* _@GUARD_PREFIX@_SCHED_H */ 99 #endif /* _@GUARD_PREFIX@_SCHED_H */ 100