summaryrefslogtreecommitdiff
path: root/src/clock.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/clock.cpp')
-rw-r--r--src/clock.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/clock.cpp b/src/clock.cpp
index 92fc4be..4868a5f 100644
--- a/src/clock.cpp
+++ b/src/clock.cpp
@@ -34,6 +34,10 @@
#include <sys/time.h>
#endif
+#if defined HAVE_CLOCK_GETTIME
+#include <time.h>
+#endif
+
zmq::clock_t::clock_t () :
last_tsc (rdtsc ()),
last_time (now_us () / 1000)
@@ -61,6 +65,14 @@ uint64_t zmq::clock_t::now_us ()
double ticks_div = (double) (ticksPerSecond.QuadPart / 1000000);
return (uint64_t) (tick.QuadPart / ticks_div);
+#elif defined HAVE_CLOCK_GETTIME
+
+ // Use POSIX clock_gettime function to get precise monotonic time.
+ struct timespec tv;
+ int rc = clock_gettime (CLOCK_MONOTONIC, &tv);
+ errno_assert (rc == 0);
+ return (tv.tv_sec * (uint64_t) 1000000 + tv.tv_nsec / 1000);
+
#else
// Use POSIX gettimeofday function to get precise time.