Initial version

1 files changed, 21 insertions, 0 deletions

diff --git a/src/sched/sched_rr_get_interval.c b/src/sched/sched_rr_get_interval.c
new file mode 100644
index 0000000..33a3d1a
--- /dev/null
+++ b/src/sched/sched_rr_get_interval.c
@@ -0,0 +1,21 @@
+#include <sched.h>
+#include "syscall.h"
+
+int sched_rr_get_interval(pid_t pid, struct timespec *ts)
+{
+#ifdef SYS_sched_rr_get_interval_time64
+	/* On a 32-bit arch, use the old syscall if it exists. */
+	if (SYS_sched_rr_get_interval != SYS_sched_rr_get_interval_time64) {
+		long ts32[2];
+		int r = __syscall(SYS_sched_rr_get_interval, pid, ts32);
+		if (!r) {
+			ts->tv_sec = ts32[0];
+			ts->tv_nsec = ts32[1];
+		}
+		return __syscall_ret(r);
+	}
+#endif
+	/* If reaching this point, it's a 64-bit arch or time64-only
+	 * 32-bit arch and we can get result directly into timespec. */
+	return syscall(SYS_sched_rr_get_interval, pid, ts);
+}