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[compiler-rt][profile] Use flock shim on Windows even if detection fails #112695

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Merged
merged 1 commit into from
Oct 21, 2024
Merged

[compiler-rt][profile] Use flock shim on Windows even if detection fails #112695

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6 changes: 4 additions & 2 deletions compiler-rt/lib/profile/InstrProfilingUtil.c
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Original file line number Diff line number Diff line change
Expand Up @@ -152,7 +152,8 @@ COMPILER_RT_VISIBILITY int lprofLockFd(int fd) {
}
}
return 0;
#elif defined(COMPILER_RT_HAS_FLOCK)
#elif defined(COMPILER_RT_HAS_FLOCK) || defined(_WIN32)
// Windows doesn't have flock but WindowsMMap.h provides a shim
flock(fd, LOCK_EX);
return 0;
#else
Expand All @@ -179,7 +180,8 @@ COMPILER_RT_VISIBILITY int lprofUnlockFd(int fd) {
}
}
return 0;
#elif defined(COMPILER_RT_HAS_FLOCK)
#elif defined(COMPILER_RT_HAS_FLOCK) || defined(_WIN32)
// Windows doesn't have flock but WindowsMMap.h provides a shim
flock(fd, LOCK_UN);
return 0;
#else
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