go/misc/cgo/testcarchive/main5.c

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Test for verifying that the Go runtime properly forwards
// signals when non-Go signals are raised.

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "libgo2.h"

int main(int argc, char** argv) {
	int verbose;
	int test;

	if (argc < 2) {
		printf("Missing argument");
		return 1;
	}

	test = atoi(argv[1]);

	verbose = (argc > 2);

	if (verbose) {
		printf("calling RunGoroutines\n");
	}

	RunGoroutines();

	switch (test) {
		case 1: {
			if (verbose) {
				printf("attempting segfault\n");
			}

			volatile int crash = *(int *) 0;
			break;
		}

		case 2: {
			if (verbose) {
				printf("attempting external signal test\n");
			}

			fprintf(stderr, "OK\n");
			fflush(stderr);

			// The program should be interrupted before this sleep finishes.
			sleep(60);

			break;
		}
		default:
			printf("Unknown test: %d\n", test);
			return 0;
	}

	printf("FAIL\n");
	return 0;
}