filesystems/binderfs/binderfs_test.c

41 	int ret;
43 	ret = unshare(CLONE_NEWNS);
44 	ASSERT_EQ(ret, 0) {
49 	ret = mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, 0);
50 	ASSERT_EQ(ret, 0) {
58 	int fd, ret, saved_errno, result = 1;
78 	ret = mount(NULL, binderfs_mntpt, "binder", 0, 0);
79 	EXPECT_EQ(ret, 0) {
98 	ret = ioctl(fd, BINDER_CTL_ADD, &device);
102 	EXPECT_GE(ret, 0) {
121 	ret = ioctl(fd, BINDER_VERSION, &version);
125 	EXPECT_GE(ret, 0) {
135 	ret = unlink(device_path);
136 	EXPECT_EQ(ret, 0) {
145 	ret = unlink(device_path);
146 	EXPECT_NE(ret, 0) {
174 	ret = umount2(binderfs_mntpt, MNT_DETACH);
175 	EXPECT_EQ(ret, 0) {
179 	ret = rmdir(binderfs_mntpt);
180 	EXPECT_EQ(ret, 0) {
189 	int status, ret;
192 	ret = waitpid(pid, &status, 0);
193 	if (ret == -1) {
226 	ssize_t ret;
228 	ret = read(fd, buf, count);
229 	if (ret < 0 && errno == EINTR)
232 	return ret;
237 	ssize_t ret;
239 	ret = write(fd, buf, count);
240 	if (ret < 0 && errno == EINTR)
243 	return ret;
250 	int ret;
262 			ret = write_nointr(setgroups_fd, "deny", sizeof("deny") - 1);
264 			if (ret != sizeof("deny") - 1)
271 		ret = snprintf(path, sizeof(path), "/proc/%d/uid_map", pid);
274 		ret = snprintf(path, sizeof(path), "/proc/%d/gid_map", pid);
279 	if (ret < 0 || ret >= sizeof(path))
286 	ret = write_nointr(fd, buf, buf_size);
288 	if (ret != buf_size)
296 	int ret;
301 	ret = unshare(CLONE_NEWUSER);
302 	ASSERT_EQ(ret, 0) {
307 	ret = write_nointr(syncfds[0], "1", 1);
308 	ASSERT_EQ(ret, 1) {
312 	ret = read_nointr(syncfds[0], &buf, 1);
313 	ASSERT_EQ(ret, 1) {
326 	int ret;
332 	ret = read_nointr(syncfds[1], &buf, 1);
333 	ASSERT_EQ(ret, 1) {
338 	ret = write_id_mapping(UID_MAP, pid, id_map, strlen(id_map));
339 	ASSERT_EQ(ret, 0) {
344 	ret = write_id_mapping(GID_MAP, pid, id_map, strlen(id_map));
345 	ASSERT_EQ(ret, 0) {
349 	ret = write_nointr(syncfds[1], "1", 1);
350 	ASSERT_EQ(ret, 1) {
363 	int ret;
365 	ret = ioctl(fd, BINDER_VERSION, &version);
366 	if (ret < 0)
384 	int fd, ret;
390 	ret = socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, syncfds);
391 	ASSERT_EQ(ret, 0) {
414 		ret = mount(NULL, binderfs_mntpt, "binder", 0, 0);
415 		ASSERT_EQ(ret, 0) {
432 			ret = ioctl(fd, BINDER_CTL_ADD, &device);
434 			ASSERT_EQ(ret, 0) {
447 		ret = umount2(binderfs_mntpt, MNT_DETACH);
448 		ASSERT_EQ(ret, 0) {
461 				ret = pthread_create(&threads[i], &attr, binder_version_thread, INT_TO_PTR(fds[k]));
462 				if (ret) {
472 				ret = pthread_join(threads[j], &fdptr);
473 				if (ret)
488 	ret = wait_for_pid(pid);
489 	ASSERT_EQ(ret, 0) {
505 	int ret;
509 	ret = socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, syncfds);
510 	ASSERT_EQ(ret, 0) {
530 	ret = wait_for_pid(pid);
531 	if (ret) {
532 		if (ret == 2)
534 		ASSERT_EQ(ret, 0) {