darwin: use clock_gettime in macOS 10.12

PR-URL: https://github.com/libuv/libuv/pull/1073
Reviewed-By: Fedor Indutny <fedor@indutny.com>
Reviewed-By: Imran Iqbal <imran@imraniqbal.org>
This commit is contained in:
Saúl Ibarra Corretgé 2016-09-28 18:07:32 +01:00
parent 8658ef06c2
commit f8d4805087

View File

@ -34,8 +34,12 @@
#include <mach-o/dyld.h> /* _NSGetExecutablePath */
#include <sys/resource.h>
#include <sys/sysctl.h>
#include <time.h>
#include <unistd.h> /* sysconf */
#undef NANOSEC
#define NANOSEC ((uint64_t) 1e9)
int uv__platform_loop_init(uv_loop_t* loop) {
loop->cf_state = NULL;
@ -53,6 +57,11 @@ void uv__platform_loop_delete(uv_loop_t* loop) {
uint64_t uv__hrtime(uv_clocktype_t type) {
#ifdef MAC_OS_X_VERSION_10_12
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec);
#else
static mach_timebase_info_data_t info;
if ((ACCESS_ONCE(uint32_t, info.numer) == 0 ||
@ -61,6 +70,7 @@ uint64_t uv__hrtime(uv_clocktype_t type) {
abort();
return mach_absolute_time() * info.numer / info.denom;
#endif
}