1 /* Copyright (C) 2003-2015 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
25 #include <shlib-compat.h>
26 #include <check-cpuset.h>
30 __pthread_attr_setaffinity_new (pthread_attr_t *attr, size_t cpusetsize,
31 const cpu_set_t *cpuset)
33 struct pthread_attr *iattr;
35 assert (sizeof (*attr) >= sizeof (struct pthread_attr));
36 iattr = (struct pthread_attr *) attr;
38 if (cpuset == NULL || cpusetsize == 0)
42 iattr->cpusetsize = 0;
46 int ret = check_cpuset_attr (cpuset, cpusetsize);
51 if (iattr->cpusetsize != cpusetsize)
53 void *newp = (cpu_set_t *) realloc (iattr->cpuset, cpusetsize);
58 iattr->cpusetsize = cpusetsize;
61 memcpy (iattr->cpuset, cpuset, cpusetsize);
66 versioned_symbol (libpthread, __pthread_attr_setaffinity_new,
67 pthread_attr_setaffinity_np, GLIBC_2_3_4);
70 #if SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_3_4)
72 __pthread_attr_setaffinity_old (pthread_attr_t *attr, cpu_set_t *cpuset)
74 /* The old interface by default assumed a 1024 processor bitmap. */
75 return __pthread_attr_setaffinity_new (attr, 128, cpuset);
77 compat_symbol (libpthread, __pthread_attr_setaffinity_old,
78 pthread_attr_setaffinity_np, GLIBC_2_3_3);