1 | /* A GNU-like <sched.h>.
|
---|
2 | Copyright (C) 2008-2021 Free Software Foundation, Inc.
|
---|
3 |
|
---|
4 | This file is free software: you can redistribute it and/or modify
|
---|
5 | it under the terms of the GNU Lesser General Public License as
|
---|
6 | published by the Free Software Foundation; either version 2.1 of the
|
---|
7 | License, or (at your option) any later version.
|
---|
8 |
|
---|
9 | This file 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 Lesser General Public License for more details.
|
---|
13 |
|
---|
14 | You should have received a copy of the GNU Lesser 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 */
|
---|