1 files changed, 24 insertions, 0 deletions
diff --git a/darwin/Platform.c b/darwin/Platform.c
index 3842fddc..ca8df611 100644
--- a/darwin/Platform.c
+++ b/darwin/Platform.c
@@ -37,6 +37,10 @@ in the source distribution for its full text.
 #include "zfs/ZfsArcMeter.h"
 #include "zfs/ZfsCompressedArcMeter.h"
 
+#ifdef HAVE_HOST_GET_CLOCK_SERVICE
+#include <mach/clock.h>
+#include <mach/mach.h>
+#endif
 #ifdef HAVE_MACH_MACH_TIME_H
 #include <mach/mach_time.h>
 #endif
@@ -405,3 +409,23 @@ void Platform_getBattery(double* percent, ACPresence* isOnAC) {
    CFRelease(list);
    CFRelease(power_sources);
 }
+
+void Platform_gettime_monotonic(uint64_t* msec) {
+
+#ifdef HAVE_HOST_GET_CLOCK_SERVICE
+
+   clock_serv_t cclock;
+   mach_timespec_t mts;
+
+   host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cclock);
+   clock_get_time(cclock, &mts);
+   mach_port_deallocate(mach_task_self(), cclock);
+
+   *msec = ((uint64_t)mts.tv_sec * 1000) + ((uint64_t)mts.tv_nsec / 1000000);
+
+#else
+
+   Generic_gettime_monotomic(msec);
+
+#endif
+}