Cool_Tools/ImHex
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impr: Improve uncaught exception error handling to provide actual stack trace

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This commit is contained in:
WerWolv 2023-07-22 20:16:36 +02:00
parent 564ae6dd8c
commit 46ee3f0faa
1 changed files with 8 additions and 9 deletions
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11
main/source/crash_handlers.cpp
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@ -79,7 +79,7 @@ namespace hex::crash {
// Custom signal handler to print various information and a stacktrace when the application crashes
static void signalHandler(int signalNumber, const std::string &signalName) {
// reset crash handlers so we can't have a recursion if this code crashes
// Reset crash handlers, so we can't have a recursion if this code crashes
resetCrashHandlers();
// Actually handle the crash
@ -115,21 +115,20 @@ namespace hex::crash {
#undef HANDLE_SIGNAL
}
// reset uncaught C++ exception handler
// Reset uncaught C++ exception handler
{
originalHandler = std::set_terminate([]{
// reset crash handlers so we can't have a recursion if this code crashes
// Reset crash handlers, so we can't have a recursion if this code crashes
resetCrashHandlers();
handleCrash("Uncaught exception!", 0);
try {
std::rethrow_exception(std::current_exception());
} catch (std::exception &ex) {
std::string exceptionStr = hex::format("{}()::what() -> {}", llvm::itaniumDemangle(typeid(ex).name(), nullptr, nullptr, nullptr), ex.what());
log::fatal("Program terminated with uncaught exception: {}", exceptionStr);
// Actually handle the crash
handleCrash(hex::format("Uncaught exception: {}", exceptionStr), 0);
// Reset signal handlers prior to calling the original handler, because it may raise a signal
for (auto signal : Signals) std::signal(signal, SIG_DFL);