1 | /* Copyright (C) 2002-2017 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library 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 GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <errno.h> |
19 | #include <sched.h> |
20 | #include <string.h> |
21 | #include <sysdep.h> |
22 | #include <unistd.h> |
23 | #include <sys/types.h> |
24 | #include <shlib-compat.h> |
25 | |
26 | |
27 | #ifdef __NR_sched_setaffinity |
28 | |
29 | int |
30 | __sched_setaffinity_new (pid_t pid, size_t cpusetsize, const cpu_set_t *cpuset) |
31 | { |
32 | int result = INLINE_SYSCALL (sched_setaffinity, 3, pid, cpusetsize, cpuset); |
33 | |
34 | #ifdef RESET_VGETCPU_CACHE |
35 | if (result != -1) |
36 | RESET_VGETCPU_CACHE (); |
37 | #endif |
38 | |
39 | return result; |
40 | } |
41 | versioned_symbol (libc, __sched_setaffinity_new, sched_setaffinity, |
42 | GLIBC_2_3_4); |
43 | |
44 | |
45 | # if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4) |
46 | int |
47 | attribute_compat_text_section |
48 | __sched_setaffinity_old (pid_t pid, const cpu_set_t *cpuset) |
49 | { |
50 | /* The old interface by default assumed a 1024 processor bitmap. */ |
51 | return __sched_setaffinity_new (pid, 128, cpuset); |
52 | } |
53 | compat_symbol (libc, __sched_setaffinity_old, sched_setaffinity, GLIBC_2_3_3); |
54 | # endif |
55 | #else |
56 | # include <posix/sched_setaffinity.c> |
57 | #endif |
58 | |