[llvm-bugs] [Bug 20986] gcda (gcov data) writer is not multi-process-safe, impacting coverage analysis and profiling of programs that fork()

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=20986

Fangrui Song <i at maskray.me> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |i at maskray.me
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #2 from Fangrui Song <i at maskray.me> ---
Fixed after https://reviews.llvm.org/D76206

open O_EXCL + fcntl F_SETLKW

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