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-rw-r--r--src/time/clock_getres.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/time/clock_getres.c b/src/time/clock_getres.c
index 36a0d695..f0f41cf9 100644
--- a/src/time/clock_getres.c
+++ b/src/time/clock_getres.c
@@ -3,5 +3,19 @@
int clock_getres(clockid_t clk, struct timespec *ts)
{
+#ifdef SYS_clock_getres_time64
+ /* On a 32-bit arch, use the old syscall if it exists. */
+ if (SYS_clock_getres != SYS_clock_getres_time64) {
+ long ts32[2];
+ int r = __syscall(SYS_clock_getres, clk, 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_clock_getres, clk, ts);
}