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Diffstat (limited to 'sysdeps/unix/sysv/linux/sched_getaffinity.c')
-rw-r--r--sysdeps/unix/sysv/linux/sched_getaffinity.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sched_getaffinity.c b/sysdeps/unix/sysv/linux/sched_getaffinity.c
new file mode 100644
index 0000000000..12e6e1603a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sched_getaffinity.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <sched.h>
+#include <string.h>
+#include <sysdep.h>
+#include <sys/types.h>
+
+
+#ifdef __NR_sched_getaffinity
+int
+sched_getaffinity (pid, cpuset)
+     pid_t pid;
+     cpu_set_t *cpuset;
+{
+  int res = INLINE_SYSCALL (sched_getaffinity, 3, pid, sizeof (cpu_set_t),
+			    cpuset);
+  if (res != -1)
+    {
+      /* Clean the rest of the memory the kernel didn't do.  */
+      memset ((char *) cpuset + res, '\0', sizeof (cpu_set_t) - res);
+
+      res = 0;
+    }
+  return res;
+}
+#else
+# include <sysdeps/generic/sched_getaffinity.c>
+#endif