[all-commits] [llvm/llvm-project] dafb56: [Support] Return `LockFileManager` errors right aw...

[Jan Svoboda via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dafb566710cd03b7fbb4b187a91f32be9452fd8c
      https://github.com/llvm/llvm-project/commit/dafb566710cd03b7fbb4b187a91f32be9452fd8c
  Author: Jan Svoboda <jan_svoboda at apple.com>
  Date:   2025-03-11 (Tue, 11 Mar 2025)

  Changed paths:
    M clang/lib/Frontend/CompilerInstance.cpp
    M clang/lib/Serialization/GlobalModuleIndex.cpp
    M llvm/include/llvm/Support/LockFileManager.h
    M llvm/lib/Support/LockFileManager.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUSplitModule.cpp
    M llvm/unittests/Support/LockFileManagerTest.cpp

  Log Message:
  -----------
  [Support] Return `LockFileManager` errors right away (#130627)

This patch removes some internal state out of `LockFileManager` by
moving the locking code from the constructor into new member function
`tryLock()` which returns the errors right away. This simplifies and
modernizes the interface.



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