tree fd94867cd958b992fea3168ce2ac5a5ac5b756e8
parent 8779bcd0e7459e9e0d8428bbbd8290de2fe6be73
author Ewout van Bekkum <ewout@google.com> 1604954812 -0800
committer CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> 1606858105 +0000

pw_sync: Adds semaphores & mutexes

Adds the BinarySemaphore, CountingSemaphore, and Mutex to the
pw_sync module along with an STL backend for each.

Change-Id: I54a3a64e702202a319ed2c9068bf37412d3fd240
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/24241
Reviewed-by: Ewout van Bekkum <ewout@google.com>
Reviewed-by: Wyatt Hepler <hepler@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
Commit-Queue: Ewout van Bekkum <ewout@google.com>