add cpu affinity interfaces

this first commit just includes the CPU_* and sched_* interfaces, not
the pthread_* interfaces, which may be added later. simple
sanity-check testing has been done for the basic interfaces, but most
of the macros have not yet been tested.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/sched/sched_setaffinity.c b/src/sched/sched_setaffinity.c
new file mode 100644
index 00000000..4344df17
--- /dev/null
+++ b/src/sched/sched_setaffinity.c
@@ -0,0 +1,8 @@
+#define _GNU_SOURCE
+#include <sched.h>
+#include "syscall.h"
+
+int sched_setaffinity(pid_t tid, size_t size, const cpu_set_t *set)
+{
+	return syscall(SYS_sched_setaffinity, tid, size, set);
+}