summaryrefslogtreecommitdiff
path: root/nptl/pthread_attr_setaffinity.c
diff options
context:
space:
mode:
authorRoland McGrath <roland@hack.frob.com>2014-07-07 09:28:38 -0700
committerRoland McGrath <roland@hack.frob.com>2014-07-07 09:28:38 -0700
commit08192659bbeae149e7cb1f4c43547257f7099bb0 (patch)
tree9f602a4e9f0aefdb06bc15a76be46e958e91a58f /nptl/pthread_attr_setaffinity.c
parent96baf6ffc57b811bbc424a1fc72ef77dd56d7a18 (diff)
downloadglibc-08192659bbeae149e7cb1f4c43547257f7099bb0.tar.gz
Get rid of nptl/sysdeps/ entirely!
Diffstat (limited to 'nptl/pthread_attr_setaffinity.c')
-rw-r--r--nptl/pthread_attr_setaffinity.c80
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 0000000000..96c52ea531
--- /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