timeval: Recover from failed timer_create() calls.

[sliver-openvswitch.git] / lib / timeval.h

diff --git a/lib/timeval.h b/lib/timeval.h
index 1384848..d9eb3c7 100644 (file)
--- a/lib/timeval.h
+++ b/lib/timeval.h
@@ -36,21 +36,6 @@ BUILD_ASSERT_DECL(TYPE_IS_INTEGER(time_t));
  * ever encounter such a platform. */
 BUILD_ASSERT_DECL(TYPE_IS_SIGNED(time_t));
 
-/* On x86-64 systems, Linux avoids using syscalls for clock_gettime().
- *
- * For systems which do invoke a system call we wait at least
- * TIME_UPDATE_INTERVAL ms between clock_gettime() calls and cache the time for
- * the interim.
- *
- * For systems which do not invoke a system call, we just call clock_gettime()
- * whenever the time is requested.  As a result we don't start the background
- * SIGALRM timer unless explicitly needed by time_alarm() */
-#if defined __x86_64__ && defined __linux__
-#define CACHE_TIME 0
-#else
-#define CACHE_TIME 1
-#endif
-
 #define TIME_MAX TYPE_MAXIMUM(time_t)
 #define TIME_MIN TYPE_MINIMUM(time_t)
 
@@ -72,6 +57,7 @@ void time_wall_timespec(struct timespec *);
 void time_alarm(unsigned int secs);
 int time_poll(struct pollfd *, int n_pollfds, long long int timeout_when,
               int *elapsed);
+bool time_cached(void);
 
 long long int timespec_to_msec(const struct timespec *);
 long long int timeval_to_msec(const struct timeval *);