Allow crash signal selection by user.

This commit is contained in:
Bartosz Taudul 2021-11-18 20:20:10 +01:00
parent 0b869bcb13
commit bbbd78883c
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GPG Key ID: B7FE2008B7575DF3

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@ -809,6 +809,10 @@ LONG WINAPI CrashFilter( PEXCEPTION_POINTERS pExp )
#endif
#ifdef __linux__
# ifndef TRACY_CRASH_SIGNAL
# define TRACY_CRASH_SIGNAL SIGPWR
# endif
static long s_profilerTid = 0;
static char s_crashText[1024];
static std::atomic<bool> s_alreadyCrashed( false );
@ -1016,7 +1020,7 @@ static void CrashHandler( int signal, siginfo_t* info, void* /*ucontext*/ )
int tid = atoi( ep->d_name );
if( tid != selfTid && tid != s_profilerTid )
{
syscall( SYS_tkill, tid, SIGPWR );
syscall( SYS_tkill, tid, TRACY_CRASH_SIGNAL );
}
}
closedir( dp );
@ -1378,7 +1382,7 @@ void Profiler::SpawnWorkerThreads()
#ifdef __linux__
struct sigaction threadFreezer = {};
threadFreezer.sa_handler = ThreadFreezer;
sigaction( SIGPWR, &threadFreezer, &m_prevSignal.pwr );
sigaction( TRACY_CRASH_SIGNAL, &threadFreezer, &m_prevSignal.pwr );
struct sigaction crashHandler = {};
crashHandler.sa_sigaction = CrashHandler;
@ -1411,7 +1415,7 @@ Profiler::~Profiler()
#ifdef __linux__
if( m_crashHandlerInstalled )
{
sigaction( SIGPWR, &m_prevSignal.pwr, nullptr );
sigaction( TRACY_CRASH_SIGNAL, &m_prevSignal.pwr, nullptr );
sigaction( SIGILL, &m_prevSignal.ill, nullptr );
sigaction( SIGFPE, &m_prevSignal.fpe, nullptr );
sigaction( SIGSEGV, &m_prevSignal.segv, nullptr );