Function duckgres_crashhandler_install

internal/crashhandler/handler.c:112–127

}

__attribute__((constructor)) static void duckgres_crashhandler_install(void) {
	struct sigaction sa;
	memset(&sa, 0, sizeof(sa));
	sa.sa_sigaction = duckgres_crash_handler;
	// SA_ONSTACK: the Go runtime forwards signals while running on the
	// per-thread alternate signal stack; the handler must be willing to run
	// there.
	sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
	sigemptyset(&sa.sa_mask);

	const int sigs[] = {SIGSEGV, SIGBUS, SIGILL, SIGFPE, SIGABRT};
	for (size_t i = 0; i < sizeof(sigs) / sizeof(sigs[0]); i++) {
		sigaction(sigs[i], &sa, NULL);
	}
	g_installed = true;
}

bool duckgres_crashhandler_installed(void) { return g_installed; }