- (dtucker) [misc.c] Fall back to time(2) at runtime if clock_gettime(

   CLOCK_MONOTONIC...) fails.  Some older versions of RHEL have the
   CLOCK_MONOTONIC define but don't actually support it.  Found and tested
   by Kevin Brott, ok djm.

1 files changed, 10 insertions, 5 deletions

diff --git a/misc.c b/misc.c
index 2bdfb6507..85c404218 100644
--- a/misc.c
+++ b/misc.c
@@ -854,19 +854,24 @@ ms_to_timeval(struct timeval *tv, int ms)
         tv->tv_usec = (ms % 1000) * 1000;
 }
 
+#define clock_gettime(a,b) -1
+
 time_t
 monotime(void)
 {
 #if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
         struct timespec ts;
+        static int gettime_failed = 0;
 
-        if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
-                fatal("clock_gettime: %s", strerror(errno));
+        if (!gettime_failed) {
+                if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
+                        return (ts.tv_sec);
+                debug3("clock_gettime: %s", strerror(errno));
+                gettime_failed = 1;
+        }
+#endif
 
-        return (ts.tv_sec);
-#else
         return time(NULL);
-#endif
 }
 
 void