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

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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;
}