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Prevent Cleanup() from running more than once.

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llvm-svn: 237694
This commit is contained in:
Yaron Keren 2015-05-19 13:31:25 +00:00
parent 3bde7c1cd0
commit eb7b2581e2
1 changed files with 3 additions and 0 deletions
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3
lib/Support/Windows/Signals.inc
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@ -441,6 +441,9 @@ void llvm::sys::AddSignalHandler(void (*FnPtr)(void *), void *Cookie) {
}
static void Cleanup() {
if (CleanupExecuted)
return;
EnterCriticalSection(&CriticalSection);
// Prevent other thread from registering new files and directories for