#define CSIGSTKSZ SIGSTKSZ
#endif

static void die(const char* msg) {
	perror(msg);
	exit(EXIT_FAILURE);
}

static int ok = 1;

static void ioHandler(int signo, siginfo_t* info, void* ctxt) {
}

// Set up the SIGIO signal handler in a high priority constructor, so
// that it is installed before the Go code starts.

static void init(void) __attribute__ ((constructor (200)));

static void init() {
	struct sigaction sa;

	if (sigaction(SIGSEGV, &sa, &osa) < 0) {
		perror("sigaction");
		return 2;
	}
	if (osa.sa_handler == SIG_DFL) {
		fprintf(stderr, "Go runtime did not install signal handler\n");
		return 2;
	}
	// gccgo does not set SA_ONSTACK for SIGSEGV.
	if (getenv("GCCGO") == NULL && (osa.sa_flags&SA_ONSTACK) == 0) {
		fprintf(stderr, "Go runtime did not install signal handler\n");
		return 2;
	}
	oldHandler = osa.sa_sigaction;

	return 0;

	if (i != 0) {
		fprintf(stderr, "sigprocmask: %s\n", strerror(i));
		exit(EXIT_FAILURE);
	}

	// Don't try this at home.
	longjmp(jmp, signo);

	// We should never get here.
	abort();
}

// Set up the signal handlers in a high priority constructor,
// so that they are installed before the Go code starts.

static void init(void) __attribute__ ((constructor (200)));

static void init() {
	struct sigaction sa;

static void die(const char* msg) {
	perror(msg);
	exit(EXIT_FAILURE);
}

static volatile sig_atomic_t sigioSeen;

static void ioHandler(int signo, siginfo_t* info, void* ctxt) {
	sigioSeen = 1;
}

// Set up the SIGPIPE signal handler in a high priority constructor, so
// that it is installed before the Go code starts.

static void pipeHandler(int signo, siginfo_t* info, void* ctxt) {
	const char *s = "unexpected SIGPIPE\n";