[all-commits] [llvm/llvm-project] fcce84: [msan] Use `pthread_atfork` instead of interceptor...

[Vitaly Buka via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fcce84322742882010d6b524bbfd9d4355b213c7
      https://github.com/llvm/llvm-project/commit/fcce84322742882010d6b524bbfd9d4355b213c7
  Author: Vitaly Buka <vitalybuka at google.com>
  Date:   2023-12-13 (Wed, 13 Dec 2023)

  Changed paths:
    M compiler-rt/lib/msan/msan.cpp
    M compiler-rt/lib/msan/msan.h
    M compiler-rt/lib/msan/msan_allocator.cpp
    M compiler-rt/lib/msan/msan_allocator.h
    M compiler-rt/lib/msan/msan_interceptors.cpp
    M compiler-rt/lib/msan/msan_linux.cpp

  Log Message:
  -----------
  [msan] Use `pthread_atfork` instead of interceptor (#75398)

This is done for consistency with other sanitizers.
Also lock the allocator.