regression/posixshm/posixshm.c

54 	int fd;
56 	fd = shm_open(path, flags, mode);
57 	if (fd >= 0) {
59 		close(fd);
88  * Open the test object and write '1' to the first byte.  Returns valid fd
95 	int fd;
97 	fd = shm_open(TEST_PATH, O_CREAT | O_EXCL | O_RDWR, 0777);
98 	if (fd < 0 && errno == EEXIST) {
103 		fd = shm_open(TEST_PATH, O_CREAT | O_EXCL | O_RDWR, 0777);
105 	if (fd < 0) {
109 	if (ftruncate(fd, getpagesize()) < 0) {
111 		close(fd);
116 	page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd,
120 		close(fd);
129 		close(fd);
134 	return (fd);
141 	int fd;
143 	fd = scribble_object();
144 	if (fd < 0)
147 	page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd,
151 		close(fd);
158 		close(fd);
163 	close(fd);
183 	int fd;
185 	fd = scribble_object();
186 	if (fd < 0)
188 	close(fd);
190 	fd = shm_open(TEST_PATH, O_RDONLY, 0777);
191 	if (fd < 0) {
196 	page = mmap(0, getpagesize(), PROT_READ, MAP_SHARED, fd, 0);
199 		close(fd);
207 		close(fd);
213 	close(fd);
223 	int fd;
225 	fd = shm_open(TEST_PATH, O_RDONLY | O_CREAT, 0777);
226 	if (fd < 0) {
232 	page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd,
237 		close(fd);
243 		close(fd);
248 	close(fd);
257 	int fd;
259 	fd = shm_open(TEST_PATH, O_RDONLY | O_CREAT, 0777);
260 	if (fd < 0) {
264 	close(fd);
302 	int fd;
304 	fd = shm_open(SHM_ANON, O_RDWR, 0777);
305 	if (fd < 0) {
309 	close(fd);
354 	int fd;
356 	fd = shm_open("/tmp/notreallythere", O_RDONLY | O_CREAT, 0777);
357 	if (fd < 0) {
361 	close(fd);
374 	int fd;
377 	fd = shm_open(TEST_PATH, O_RDWR | O_CREAT, 0777);
378 	if (fd < 0) {
382 	if (ftruncate(fd, 1024) < 0) {
384 		close(fd);
387 	if (fstat(fd, &sb) < 0) {
389 		close(fd);
394 		close(fd);
397 	close(fd);
400 	fd = shm_open(TEST_PATH, O_RDWR | O_TRUNC, 0777);
401 	if (fd < 0) {
405 	if (fstat(fd, &sb) < 0) {
407 		close(fd);
412 		close(fd);
415 	close(fd);
451 	int fd, status;
454 	fd = shm_open(SHM_ANON, O_CREAT | O_RDWR, 0777);
455 	if (fd < 0) {
459 	if (ftruncate(fd, getpagesize()) < 0) {
461 		close(fd);
464 	if (fstat(fd, &sb) < 0) {
466 		close(fd);
471 		close(fd);
476 	page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd,
480 		close(fd);
488 		close(fd);
493 	if (ftruncate(fd, getpagesize() * 2) < 0) {
495 		close(fd);
498 	if (fstat(fd, &sb) < 0) {
500 		close(fd);
505 		close(fd);
511 	    fd, 0);
514 		close(fd);
520 		close(fd);
528 	if (ftruncate(fd, getpagesize()) < 0) {
530 		close(fd);
533 	if (fstat(fd, &sb) < 0) {
535 		close(fd);
540 		close(fd);
551 		close(fd);
575 		close(fd);
580 		close(fd);
585 	if (ftruncate(fd, getpagesize() * 2) < 0) {
587 		close(fd);
590 	if (fstat(fd, &sb) < 0) {
592 		close(fd);
597 		close(fd);
612 		close(fd);
616 	close(fd);