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author | Roland McGrath <roland@hack.frob.com> | 2014-07-07 09:28:38 -0700 |
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committer | Roland McGrath <roland@hack.frob.com> | 2014-07-07 09:28:38 -0700 |
commit | 08192659bbeae149e7cb1f4c43547257f7099bb0 (patch) | |
tree | 9f602a4e9f0aefdb06bc15a76be46e958e91a58f /nptl/pthread_attr_setaffinity.c | |
parent | 96baf6ffc57b811bbc424a1fc72ef77dd56d7a18 (diff) | |
download | glibc-08192659bbeae149e7cb1f4c43547257f7099bb0.zip glibc-08192659bbeae149e7cb1f4c43547257f7099bb0.tar.gz glibc-08192659bbeae149e7cb1f4c43547257f7099bb0.tar.bz2 |
Get rid of nptl/sysdeps/ entirely!
Diffstat (limited to 'nptl/pthread_attr_setaffinity.c')
-rw-r--r-- | nptl/pthread_attr_setaffinity.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/nptl/pthread_attr_setaffinity.c b/nptl/pthread_attr_setaffinity.c new file mode 100644 index 0000000..96c52ea --- /dev/null +++ b/nptl/pthread_attr_setaffinity.c @@ -0,0 +1,80 @@ +/* Copyright (C) 2003-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <assert.h> +#include <errno.h> +#include <limits.h> +#include <stdlib.h> +#include <string.h> +#include <pthreadP.h> +#include <shlib-compat.h> + + + + +int +__pthread_attr_setaffinity_new (pthread_attr_t *attr, size_t cpusetsize, + const cpu_set_t *cpuset) +{ + struct pthread_attr *iattr; + + assert (sizeof (*attr) >= sizeof (struct pthread_attr)); + iattr = (struct pthread_attr *) attr; + + if (cpuset == NULL || cpusetsize == 0) + { + free (iattr->cpuset); + iattr->cpuset = NULL; + iattr->cpusetsize = 0; + } + else + { + int ret = check_cpuset_attr (cpuset, cpusetsize); + + if (ret) + return ret; + + if (iattr->cpusetsize != cpusetsize) + { + void *newp = (cpu_set_t *) realloc (iattr->cpuset, cpusetsize); + if (newp == NULL) + return ENOMEM; + + iattr->cpuset = newp; + iattr->cpusetsize = cpusetsize; + } + + memcpy (iattr->cpuset, cpuset, cpusetsize); + } + + return 0; +} +versioned_symbol (libpthread, __pthread_attr_setaffinity_new, + pthread_attr_setaffinity_np, GLIBC_2_3_4); + + +#if SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_3_4) +int +__pthread_attr_setaffinity_old (pthread_attr_t *attr, cpu_set_t *cpuset) +{ + /* The old interface by default assumed a 1024 processor bitmap. */ + return __pthread_attr_setaffinity_new (attr, 128, cpuset); +} +compat_symbol (libpthread, __pthread_attr_setaffinity_old, + pthread_attr_setaffinity_np, GLIBC_2_3_3); +#endif |