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https://github.com/c64scene-ar/llvm-6502.git
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Factor out the handler work from SignalHandler into a helper function,
and change llvm::sys::RunInterruptHandlers to call that function directly instead of calling SignalHandler, because the rest of SignalHandler invokes side effects which aren't appropriate, including raising the signal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104896 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -111,6 +111,14 @@ static void UnregisterHandlers() {
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}
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/// RemoveFilesToRemove - Process the FilesToRemove list. This function
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/// should be called with the SignalsMutex lock held.
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static void RemoveFilesToRemove() {
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while (!FilesToRemove.empty()) {
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FilesToRemove.back().eraseFromDisk(true);
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FilesToRemove.pop_back();
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}
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}
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// SignalHandler - The signal handler that runs.
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static RETSIGTYPE SignalHandler(int Sig) {
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@ -126,10 +134,7 @@ static RETSIGTYPE SignalHandler(int Sig) {
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sigprocmask(SIG_UNBLOCK, &SigMask, 0);
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SignalsMutex.acquire();
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while (!FilesToRemove.empty()) {
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FilesToRemove.back().eraseFromDisk(true);
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FilesToRemove.pop_back();
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}
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RemoveFilesToRemove();
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if (std::find(IntSigs, IntSigsEnd, Sig) != IntSigsEnd) {
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if (InterruptFunction) {
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@ -153,7 +158,9 @@ static RETSIGTYPE SignalHandler(int Sig) {
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}
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void llvm::sys::RunInterruptHandlers() {
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SignalHandler(SIGINT);
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SignalsMutex.acquire();
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RemoveFilesToRemove();
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SignalsMutex.release();
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}
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void llvm::sys::SetInterruptFunction(void (*IF)()) {
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