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-rw-r--r--src/time/clock_settime.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/time/clock_settime.c b/src/time/clock_settime.c
index 66b8162d..5fdaeb9e 100644
--- a/src/time/clock_settime.c
+++ b/src/time/clock_settime.c
@@ -1,7 +1,24 @@
 #include <time.h>
+#include <errno.h>
 #include "syscall.h"
 
+#define IS32BIT(x) !((x)+0x80000000ULL>>32)
+
 int clock_settime(clockid_t clk, const struct timespec *ts)
 {
+#ifdef SYS_clock_settime64
+	time_t s = ts->tv_sec;
+	long ns = ts->tv_nsec;
+	int r = -ENOSYS;
+	if (SYS_clock_settime == SYS_clock_settime64 || !IS32BIT(s))
+		r = __syscall(SYS_clock_settime64, clk,
+			((long long[]){s, ns}));
+	if (SYS_clock_settime == SYS_clock_settime64 || r!=-ENOSYS)
+		return __syscall_ret(r);
+	if (!IS32BIT(s))
+		return __syscall_ret(-ENOTSUP);
+	return syscall(SYS_clock_settime, clk, ts ? ((long[]){s, ns}) : 0);
+#else
 	return syscall(SYS_clock_settime, clk, ts);
+#endif
 }