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DPL: improve crash reason message #12404

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Merged
ktf merged 1 commit into from
Dec 6, 2023
Merged

DPL: improve crash reason message #12404

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25 changes: 8 additions & 17 deletions Framework/Core/src/runDataProcessing.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -578,31 +578,22 @@ void handle_crash(int sig)
{
// dump demangled stack trace
void* array[1024];

int size = backtrace(array, 1024);

{
char const* msg = "*** Program crashed (Segmentation fault, FPE, BUS, ABRT, KILL, Unhandled Exception, ...)\nBacktrace by DPL:\n";
auto retVal = write(STDERR_FILENO, msg, strlen(msg));
msg = "UNKNOWN SIGNAL\n";
if (sig == SIGSEGV) {
msg = "SEGMENTATION FAULT\n";
} else if (sig == SIGABRT) {
msg = "ABRT\n";
} else if (sig == SIGBUS) {
msg = "BUS ERROR\n";
} else if (sig == SIGILL) {
msg = "ILLEGAL INSTRUCTION\n";
} else if (sig == SIGFPE) {
char buffer[1024];
char const* msg = "*** Program crashed (%s)\nBacktrace by DPL:\n";
snprintf(buffer, 1024, msg, strsignal(sig));
if (sig == SIGFPE) {
if (std::fetestexcept(FE_DIVBYZERO)) {
msg = "FLOATING POINT EXCEPTION (DIVISION BY ZERO)\n";
snprintf(buffer, 1024, msg, "FLOATING POINT EXCEPTION - DIVISION BY ZERO");
} else if (std::fetestexcept(FE_INVALID)) {
msg = "FLOATING POINT EXCEPTION (INVALID RESULT)\n";
snprintf(buffer, 1024, msg, "FLOATING POINT EXCEPTION - INVALID RESULT");
} else {
msg = "FLOATING POINT EXCEPTION (UNKNOWN REASON)\n";
snprintf(buffer, 1024, msg, "FLOATING POINT EXCEPTION - UNKNOWN REASON");
}
}
retVal = write(STDERR_FILENO, msg, strlen(msg));
auto retVal = write(STDERR_FILENO, buffer, strlen(buffer));
(void)retVal;
}
demangled_backtrace_symbols(array, size, STDERR_FILENO);
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