1 files changed, 26 insertions, 0 deletions
diff --git a/compat/time32/timerfd_settime32.c b/compat/time32/timerfd_settime32.c
new file mode 100644
index 00000000..67830d34
--- /dev/null
+++ b/compat/time32/timerfd_settime32.c
@@ -0,0 +1,26 @@
+#include "time32.h"
+#include <time.h>
+#include <sys/timerfd.h>
+
+int __timerfd_settime32(int t, int flags, const struct itimerspec32 *restrict val32, struct itimerspec32 *restrict old32)
+{
+	struct itimerspec old;
+	int r = timerfd_settime(t, flags, (&(struct itimerspec){
+		.it_interval.tv_sec = val32->it_interval.tv_sec,
+		.it_interval.tv_nsec = val32->it_interval.tv_nsec,
+		.it_value.tv_sec = val32->it_value.tv_sec,
+		.it_value.tv_nsec = val32->it_value.tv_nsec}),
+		old32 ? &old : 0);
+	if (r) return r;
+	/* The above call has already committed to success by changing the
+	 * timer setting, so we can't fail on out-of-range old value.
+	 * Since these are relative times, values large enough to overflow
+	 * don't make sense anyway. */
+	if (old32) {
+		old32->it_interval.tv_sec = old.it_interval.tv_sec;
+		old32->it_interval.tv_nsec = old.it_interval.tv_nsec;
+		old32->it_value.tv_sec = old.it_value.tv_sec;
+		old32->it_value.tv_nsec = old.it_value.tv_nsec;
+	}
+	return 0;
+}