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[Signal] Allow one-shot SIGPIPE handler to be reached

Browse Source 
As SIGPIPE is no longer in the IntSigs array, handle SIGPIPE before
handling any interrupt signals.

Thanks to Alexandre Ganea for pointing out the issue here.
This commit is contained in:
Vedant Kumar 2019-12-04 19:21:14 -08:00
parent 4f5676a2c2
commit 8045961a33
1 changed files with 5 additions and 5 deletions
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10
lib/Support/Unix/Signals.inc
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@ -361,16 +361,16 @@ static RETSIGTYPE SignalHandler(int Sig) {
{
RemoveFilesToRemove();
if (Sig == SIGPIPE)
if (auto OldOneShotPipeFunction =
OneShotPipeSignalFunction.exchange(nullptr))
return OldOneShotPipeFunction();
if (std::find(std::begin(IntSigs), std::end(IntSigs), Sig)
!= std::end(IntSigs)) {
if (auto OldInterruptFunction = InterruptFunction.exchange(nullptr))
return OldInterruptFunction();
if (Sig == SIGPIPE)
if (auto OldOneShotPipeFunction =
OneShotPipeSignalFunction.exchange(nullptr))
return OldOneShotPipeFunction();
raise(Sig); // Execute the default handler.
return;
}