31 	int r, fd;  in mfd_assert_new()  local
40 	r = ftruncate(fd, sz);  in mfd_assert_new()
41 	if (r < 0) {  in mfd_assert_new()
51 	int r;  in mfd_fail_new()  local
53 	r = sys_memfd_create(name, flags);  in mfd_fail_new()
54 	if (r >= 0) {  in mfd_fail_new()
57 		close(r);  in mfd_fail_new()
64 	int r;  in mfd_assert_get_seals()  local
66 	r = fcntl(fd, F_GET_SEALS);  in mfd_assert_get_seals()
67 	if (r < 0) {  in mfd_assert_get_seals()
72 	return (unsigned int)r;  in mfd_assert_get_seals()
88 	int r;  in mfd_assert_add_seals()  local
92 	r = fcntl(fd, F_ADD_SEALS, seals);  in mfd_assert_add_seals()
93 	if (r < 0) {  in mfd_assert_add_seals()
101 	int r;  in mfd_fail_add_seals()  local
104 	r = fcntl(fd, F_GET_SEALS);  in mfd_fail_add_seals()
105 	if (r < 0)  in mfd_fail_add_seals()
108 		s = (unsigned int)r;  in mfd_fail_add_seals()
110 	r = fcntl(fd, F_ADD_SEALS, seals);  in mfd_fail_add_seals()
111 	if (r >= 0) {  in mfd_fail_add_seals()
121 	int r;  in mfd_assert_size()  local
123 	r = fstat(fd, &st);  in mfd_assert_size()
124 	if (r < 0) {  in mfd_assert_size()
136 	int r;  in mfd_assert_dup()  local
138 	r = dup(fd);  in mfd_assert_dup()
139 	if (r < 0) {  in mfd_assert_dup()
144 	return r;  in mfd_assert_dup()
186 	int r;  in mfd_assert_open()  local
189 	r = open(buf, flags, mode);  in mfd_assert_open()
190 	if (r < 0) {  in mfd_assert_open()
195 	return r;  in mfd_assert_open()
201 	int r;  in mfd_fail_open()  local
204 	r = open(buf, flags, mode);  in mfd_fail_open()
205 	if (r >= 0) {  in mfd_fail_open()
254 	int r;  in mfd_assert_write()  local
304 	r = mprotect(p, MFD_DEF_SIZE, PROT_READ | PROT_WRITE);  in mfd_assert_write()
305 	if (r < 0) {  in mfd_assert_write()
314 	r = fallocate(fd,  in mfd_assert_write()
318 	if (r < 0) {  in mfd_assert_write()
328 	int r;  in mfd_fail_write()  local
370 		r = mprotect(p, MFD_DEF_SIZE, PROT_READ | PROT_WRITE);  in mfd_fail_write()
371 		if (r >= 0) {  in mfd_fail_write()
378 	r = fallocate(fd,  in mfd_fail_write()
382 	if (r >= 0) {  in mfd_fail_write()
390 	int r, fd2;  in mfd_assert_shrink()  local
392 	r = ftruncate(fd, MFD_DEF_SIZE / 2);  in mfd_assert_shrink()
393 	if (r < 0) {  in mfd_assert_shrink()
410 	int r;  in mfd_fail_shrink()  local
412 	r = ftruncate(fd, MFD_DEF_SIZE / 2);  in mfd_fail_shrink()
413 	if (r >= 0) {  in mfd_fail_shrink()
425 	int r;  in mfd_assert_grow()  local
427 	r = ftruncate(fd, MFD_DEF_SIZE * 2);  in mfd_assert_grow()
428 	if (r < 0) {  in mfd_assert_grow()
435 	r = fallocate(fd,  in mfd_assert_grow()
439 	if (r < 0) {  in mfd_assert_grow()
449 	int r;  in mfd_fail_grow()  local
451 	r = ftruncate(fd, MFD_DEF_SIZE * 2);  in mfd_fail_grow()
452 	if (r >= 0) {  in mfd_fail_grow()
457 	r = fallocate(fd,  in mfd_fail_grow()
461 	if (r >= 0) {  in mfd_fail_grow()