diff options
Diffstat (limited to 'deps/uv/src/unix/darwin.c')
| -rw-r--r-- | deps/uv/src/unix/darwin.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/deps/uv/src/unix/darwin.c b/deps/uv/src/unix/darwin.c index 77e662f4e1..f37d58df56 100644 --- a/deps/uv/src/unix/darwin.c +++ b/deps/uv/src/unix/darwin.c @@ -179,12 +179,14 @@ void uv__cf_loop_signal(uv_loop_t* loop, cf_loop_signal_cb cb, void* arg) { uint64_t uv__hrtime(void) { - mach_timebase_info_data_t info; + static mach_timebase_info_data_t info; - if (mach_timebase_info(&info) != KERN_SUCCESS) - abort(); + if ((ACCESS_ONCE(uint32_t, info.numer) == 0 || + ACCESS_ONCE(uint32_t, info.denom) == 0) && + mach_timebase_info(&info) != KERN_SUCCESS) + abort(); - return mach_absolute_time() * info.numer / info.denom; + return mach_absolute_time() * info.numer / info.denom; } |