1 files changed, 59 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/pthread_getaffinity.c b/sysdeps/unix/sysv/linux/pthread_getaffinity.c
new file mode 100644
index 0000000000..f58e9cc3e9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pthread_getaffinity.c
@@ -0,0 +1,59 @@
+/* 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 <errno.h>
+#include <limits.h>
+#include <pthreadP.h>
+#include <string.h>
+#include <sysdep.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <shlib-compat.h>
+
+
+int
+__pthread_getaffinity_new (pthread_t th, size_t cpusetsize, cpu_set_t *cpuset)
+{
+  const struct pthread *pd = (const struct pthread *) th;
+
+  INTERNAL_SYSCALL_DECL (err);
+  int res = INTERNAL_SYSCALL (sched_getaffinity, err, 3, pd->tid,
+			      MIN (INT_MAX, cpusetsize), cpuset);
+  if (INTERNAL_SYSCALL_ERROR_P (res, err))
+    return INTERNAL_SYSCALL_ERRNO (res, err);
+
+  /* Clean the rest of the memory the kernel didn't do.  */
+  memset ((char *) cpuset + res, '\0', cpusetsize - res);
+
+  return 0;
+}
+strong_alias (__pthread_getaffinity_new, __pthread_getaffinity_np)
+versioned_symbol (libpthread, __pthread_getaffinity_new,
+		  pthread_getaffinity_np, GLIBC_2_3_4);
+
+
+#if SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_3_4)
+int
+__pthread_getaffinity_old (pthread_t th, cpu_set_t *cpuset)
+{
+  /* The old interface by default assumed a 1024 processor bitmap.  */
+  return __pthread_getaffinity_new (th, 128, cpuset);
+}
+compat_symbol (libpthread, __pthread_getaffinity_old, pthread_getaffinity_np,
+	       GLIBC_2_3_3);
+#endif