Markus Handell 4a4f162f71 Mutex, CriticalSection: Switch Mac to _PTHREAD_MUTEX_POLICY_FIRSTFIT.
Fairshare mutexes performed really badly during a Catalina
performance test. This change switches them to use
the _PTHREAD_MUTEX_POLICY_FIRSTFIT policy instead.

Bug: webrtc:11567, webrtc:11648
Change-Id: I2b8fbe3183beefc26f8d4ff3d63dc6958174605f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/176504
Reviewed-by: Tommi <tommi@webrtc.org>
Reviewed-by: Oskar Sundbom <ossu@webrtc.org>
Commit-Queue: Tommi <tommi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31456}
2020-06-07 15:06:51 +00:00
..