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CrashHandler: Catch SIGABRT

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Stenzek 2025-07-17 21:17:06 +10:00
parent 9c81425043
commit 6f65a15bb9
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1 changed files with 26 additions and 0 deletions
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26
src/common/crash_handler.cpp
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@ -6,6 +6,7 @@
#include "file_system.h"
#include "string_util.h"
#include <cinttypes>
#include <csignal>
#include <cstdio>
#include <ctime>
@ -195,6 +196,21 @@ static void PureCallHandler()
__fastfail(FAST_FAIL_INVALID_ARG);
}
static void AbortSignalHandler(int signal)
{
// if the debugger is attached, or we're recursively crashing, let it take care of it.
if (!s_in_crash_handler && !IsDebuggerPresent())
{
s_in_crash_handler = true;
if (s_cleanup_handler)
s_cleanup_handler();
WriteMinidumpAndCallstack(nullptr, "Pure call handler invoked");
}
TerminateProcess(GetCurrentProcess(), 0xFAFAFAFAu);
}
bool CrashHandler::Install(CleanupHandler cleanup_handler)
{
// load dbghelp at install/startup, that way we're not LoadLibrary()'ing after a crash
@ -208,6 +224,12 @@ bool CrashHandler::Install(CleanupHandler cleanup_handler)
SetUnhandledExceptionFilter(ExceptionHandler);
_set_invalid_parameter_handler(InvalidParameterHandler);
_set_purecall_handler(PureCallHandler);
#ifdef _DEBUG
_set_abort_behavior(_WRITE_ABORT_MSG, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
#else
_set_abort_behavior(_WRITE_ABORT_MSG | _CALL_REPORTFAULT, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
#endif
signal(SIGABRT, AbortSignalHandler);
return true;
}
@ -391,6 +413,10 @@ bool CrashHandler::Install(CleanupHandler cleanup_handler)
if (sigaction(SIGSEGV, &sa, nullptr) != 0)
return false;
sa.sa_flags = SA_SIGINFO;
if (sigaction(SIGABRT, &sa, nullptr) != 0)
return false;
s_cleanup_handler = cleanup_handler;
return true;
}