usock: add helper waiting for socket to be ready

[project/libubox.git] / utils.c

diff --git a/utils.c b/utils.c
index 4589da8..078a8a1 100644 (file)
--- a/utils.c
+++ b/utils.c
@@ -52,3 +52,43 @@ void *__calloc_a(size_t len, ...)
 
        return ret;
 }
 
        return ret;
 }

+
+#ifdef __APPLE__
+#include <mach/mach_time.h>
+
+static void clock_gettime_realtime(struct timespec *tv)
+{
+       struct timeval _tv;
+
+       gettimeofday(&_tv, NULL);
+       tv->tv_sec = _tv.tv_sec;
+       tv->tv_nsec = _tv.tv_usec * 1000;
+}
+
+static void clock_gettime_monotonic(struct timespec *tv)
+{
+       mach_timebase_info_data_t info;
+       float sec;
+       uint64_t val;
+
+       mach_timebase_info(&info);
+
+       val = mach_absolute_time();
+       tv->tv_nsec = (val * info.numer / info.denom) % 1000000000;
+
+       sec = val;
+       sec *= info.numer;
+       sec /= info.denom;
+       sec /= 1000000000;
+       tv->tv_sec = sec;
+}
+
+void clock_gettime(int type, struct timespec *tv)
+{
+       if (type == CLOCK_REALTIME)
+               return clock_gettime_realtime(tv);
+       else
+               return clock_gettime_monotonic(tv);
+}
+
+#endif