[all-commits] [llvm/llvm-project] 960cb4: sanitizer_common: replace RWMutex/BlockingMutex wi...

[Dmitry Vyukov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 960cb490dd16961c61b541efbcc95eb085464ad8
      https://github.com/llvm/llvm-project/commit/960cb490dd16961c61b541efbcc95eb085464ad8
  Author: Dmitry Vyukov <dvyukov at google.com>
  Date:   2021-07-28 (Wed, 28 Jul 2021)

  Changed paths:
    M compiler-rt/lib/sanitizer_common/sanitizer_fuchsia.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_mutex.h
    M compiler-rt/lib/sanitizer_common/sanitizer_solaris.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_win.cpp
    M compiler-rt/lib/sanitizer_common/tests/sanitizer_mutex_test.cpp

  Log Message:
  -----------
  sanitizer_common: replace RWMutex/BlockingMutex with Mutex

Mutex supports reader access, OS blocking, spinning,
portable and smaller than BlockingMutex.
Overall it's supposed to be better than RWMutex/BlockingMutex.
Replace RWMutex/BlockingMutex with Mutex.

Reviewed By: melver

Differential Revision: https://reviews.llvm.org/D106936