selftests/uevent/uevent_filtering.c

32 	ssize_t ret;
35 	ret = read(fd, buf, count);
36 	if (ret < 0 && errno == EINTR)
39 	return ret;
44 	ssize_t ret;
47 	ret = write(fd, buf, count);
48 	if (ret < 0 && errno == EINTR)
51 	return ret;
56 	int status, ret;
59 	ret = waitpid(pid, &status, 0);
60 	if (ret == -1) {
67 	if (ret != pid)
79 	int sk_fd, ret;
99 	ret = setsockopt(sk_fd, SOL_SOCKET, SO_RCVBUF, &rcv_buf_sz,
101 	if (ret < 0) {
110 	ret = bind(sk_fd, (struct sockaddr *)&sk_addr, sk_addr_len);
111 	if (ret < 0) {
116 	ret = getsockname(sk_fd, (struct sockaddr *)&sk_addr, &sk_addr_len);
117 	if (ret < 0) {
124 		ret = -1;
129 		ret = unshare(CLONE_NEWUSER);
130 		if (ret < 0) {
139 		ret = unshare(CLONE_NEWNET);
140 		if (ret < 0) {
148 	ret = write_nointr(sync_fd, &sync_add, sizeof(sync_add));
150 	if (ret != sizeof(sync_add)) {
151 		ret = -1;
156 	ret = 0;
163 			ret = -1;
177 			ret = -1;
192 	return ret;
197 	int fd, ret;
209 		ret = write_nointr(fd, "add\n", sizeof("add\n") - 1);
210 		if (ret < 0) {
217 	return ret;
222 	int ret;
225 	ret = prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
233 		ret = kill(self, SIGKILL);
236 	if (ret < 0)
245 	int ret;
255 	ret = sigprocmask(SIG_BLOCK, &mask, &orig_mask);
256 	if (ret < 0) {
269 		ret = set_death_signal();
270 		if (ret < 0) {
276 			ret = unshare(CLONE_NEWUSER);
277 			if (ret < 0) {
286 			ret = unshare(CLONE_NEWNET);
287 			if (ret < 0) {
301 	ret = read_nointr(sync_fd, &wait_val, sizeof(wait_val));
302 	if (ret != sizeof(wait_val)) {
310 	ret = trigger_uevent(10);
311 	if (ret < 0)
322 	ret = sigtimedwait(&mask, NULL, &timeout);
323 	if (ret < 0) {
328 			ret = kill(pid, SIGTERM); /* success */
330 			ret = kill(pid, SIGUSR1); /* error */
331 		if (ret < 0)
335 	ret = wait_for_pid(pid);
336 	if (ret < 0)
339 	return ret;
352 	int ret, sync_fd;
360 	ret = access(__DEV_FULL, F_OK);
361 	EXPECT_EQ(0, ret) {
374 	ret = sigaction(SIGTERM, &act, NULL);
375 	ASSERT_EQ(0, ret);
389 	ret = do_test(0, 0, true, sync_fd);
390 	ASSERT_EQ(0, ret) {
403 	ret = do_test(CLONE_NEWNET, 0, true, sync_fd);
404 	ASSERT_EQ(0, ret) {
418 	ret = do_test(CLONE_NEWUSER, 0, true, sync_fd);
419 	ASSERT_EQ(0, ret) {
432 	ret = do_test(CLONE_NEWUSER | CLONE_NEWNET, 0, false, sync_fd);
433 	ASSERT_EQ(0, ret) {
447 	ret = do_test(0, CLONE_NEWNET, true, sync_fd);
448 	ASSERT_EQ(0, ret) {
462 	ret = do_test(0, CLONE_NEWUSER, true, sync_fd);
463 	ASSERT_EQ(0, ret) {
478 	ret = do_test(0, CLONE_NEWUSER | CLONE_NEWNET, true, sync_fd);
479 	ASSERT_EQ(0, ret) {