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-rw-r--r--libutils/Timers.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/libutils/Timers.cpp b/libutils/Timers.cpp
index 5293cd2a8..a431e9232 100644
--- a/libutils/Timers.cpp
+++ b/libutils/Timers.cpp
@@ -34,7 +34,7 @@
nsecs_t systemTime(int clock)
{
-#if defined(HAVE_POSIX_CLOCKS)
+#if defined(HAVE_ANDROID_OS)
static const clockid_t clocks[] = {
CLOCK_REALTIME,
CLOCK_MONOTONIC,
@@ -47,7 +47,9 @@ nsecs_t systemTime(int clock)
clock_gettime(clocks[clock], &t);
return nsecs_t(t.tv_sec)*1000000000LL + t.tv_nsec;
#else
- // we don't support the clocks here.
+ // Clock support varies widely across hosts. Mac OS doesn't support
+ // posix clocks, older glibcs don't support CLOCK_BOOTTIME and Windows
+ // is windows.
struct timeval t;
t.tv_sec = t.tv_usec = 0;
gettimeofday(&t, NULL);