Fallback to gettimeofday, if clock_gettime supports monotonic yet
fails to get the time.
v2: Fix gettimeofday fallback.
Signed-off-by: Emil Velikov <emil.l.veli...@gmail.com>
---
tests/util/piglit-util.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/tests/util/piglit-util.c b/tests/util/piglit-util.c
index 5180bb8..b089944 100644
--- a/tests/util/piglit-util.c
+++ b/tests/util/piglit-util.c
@@ -662,15 +662,26 @@ piglit_time_is_monotonic(void)
int64_t
piglit_time_get_nano(void)
{
+#if !defined(_WIN32)
#ifdef PIGLIT_HAS_POSIX_CLOCK_MONOTONIC
struct timespec t;
int r = clock_gettime(CLOCK_MONOTONIC, &t);
- if (r >= 0)
+
+ if (r == 0 || (r == -1 && errno != EINVAL))
return (t.tv_sec * INT64_C(1000000000)) + t.tv_nsec;
- else
- return -1LL;
+#endif
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+ return tv.tv_usec * INT64_C(1000) + tv.tv_sec * INT64_C(1000000000);
#else
- return -1LL;
+ static LARGE_INTEGER frequency;
+ LARGE_INTEGER counter;
+
+ if (!frequency.QuadPart)
+ QueryPerformanceFrequency(&frequency);
+ QueryPerformanceCounter(&counter);
+ return counter.QuadPart * INT64_C(1000000000)/frequency.QuadPart;
#endif
}
--
2.1.3
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