add clock_gettime for macos 10.11 and earlier

2 files changed, 13 insertions, 4 deletions

diff --git a/include/compat/sys/time.h b/include/compat/sys/time.h
index 3d31985..76428c1 100644
--- a/include/compat/sys/time.h
+++ b/include/compat/sys/time.h
@@ -13,10 +13,6 @@ int gettimeofday(struct timeval *tp, void *tzp);
 #include_next <sys/time.h>
 #endif
 
-#ifndef CLOCK_MONOTONIC
-#define CLOCK_MONOTONIC CLOCK_REALTIME
-#endif
-
 #ifndef timersub
 #define timersub(tvp, uvp, vvp)                                         \
         do {                                                            \
diff --git a/include/compat/time.h b/include/compat/time.h
index df65530..d43dfcb 100644
--- a/include/compat/time.h
+++ b/include/compat/time.h
@@ -22,6 +22,19 @@ struct tm *__gmtime_r(const time_t * t, struct tm * tm);
 time_t timegm(struct tm *tm);
 #endif
 
+#ifndef CLOCK_MONOTONIC
+#define CLOCK_MONOTONIC CLOCK_REALTIME
+#endif
+
+#ifndef CLOCK_REALTIME
+#define CLOCK_REALTIME 0
+#endif
+
+#ifndef HAVE_CLOCK_GETTIME
+int
+clock_gettime(clockid_t clock_id, struct timespec *tp);
+#endif
+
 #ifndef timespecsub
 #define timespecsub(tsp, usp, vsp)                                      \
         do {                                                            \