[PATCH] D78896: [Support] Add file lock/unlock functions

[Serge Pavlov via Phabricator via llvm-commits]

sepavloff updated this revision to Diff 276917.
sepavloff added a comment.

Rebased patch


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D78896/new/

https://reviews.llvm.org/D78896

Files:
  llvm/include/llvm/Support/FileSystem.h
  llvm/lib/Support/Unix/Path.inc
  llvm/lib/Support/Windows/Path.inc
  llvm/unittests/Support/ProgramTest.cpp

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