32 	int r, fd;  in mfd_assert_new()  local
41 	r = ftruncate(fd, sz);  in mfd_assert_new()
42 	if (r < 0) {  in mfd_assert_new()
52 	int r;  in mfd_fail_new()  local
54 	r = sys_memfd_create(name, flags);  in mfd_fail_new()
55 	if (r >= 0) {  in mfd_fail_new()
58 		close(r);  in mfd_fail_new()
65 	int r;  in mfd_assert_get_seals()  local
67 	r = fcntl(fd, F_GET_SEALS);  in mfd_assert_get_seals()
68 	if (r < 0) {  in mfd_assert_get_seals()
73 	return (unsigned int)r;  in mfd_assert_get_seals()
89 	int r;  in mfd_assert_add_seals()  local
93 	r = fcntl(fd, F_ADD_SEALS, seals);  in mfd_assert_add_seals()
94 	if (r < 0) {  in mfd_assert_add_seals()
102 	int r;  in mfd_fail_add_seals()  local
105 	r = fcntl(fd, F_GET_SEALS);  in mfd_fail_add_seals()
106 	if (r < 0)  in mfd_fail_add_seals()
109 		s = (unsigned int)r;  in mfd_fail_add_seals()
111 	r = fcntl(fd, F_ADD_SEALS, seals);  in mfd_fail_add_seals()
112 	if (r >= 0) {  in mfd_fail_add_seals()
122 	int r;  in mfd_assert_size()  local
124 	r = fstat(fd, &st);  in mfd_assert_size()
125 	if (r < 0) {  in mfd_assert_size()
137 	int r;  in mfd_assert_dup()  local
139 	r = dup(fd);  in mfd_assert_dup()
140 	if (r < 0) {  in mfd_assert_dup()
145 	return r;  in mfd_assert_dup()
187 	int r;  in mfd_assert_open()  local
190 	r = open(buf, flags, mode);  in mfd_assert_open()
191 	if (r < 0) {  in mfd_assert_open()
196 	return r;  in mfd_assert_open()
202 	int r;  in mfd_fail_open()  local
205 	r = open(buf, flags, mode);  in mfd_fail_open()
206 	if (r >= 0) {  in mfd_fail_open()
255 	int r;  in mfd_assert_write()  local
305 	r = mprotect(p, MFD_DEF_SIZE, PROT_READ | PROT_WRITE);  in mfd_assert_write()
306 	if (r < 0) {  in mfd_assert_write()
315 	r = fallocate(fd,  in mfd_assert_write()
319 	if (r < 0) {  in mfd_assert_write()
329 	int r;  in mfd_fail_write()  local
371 		r = mprotect(p, MFD_DEF_SIZE, PROT_READ | PROT_WRITE);  in mfd_fail_write()
372 		if (r >= 0) {  in mfd_fail_write()
379 	r = fallocate(fd,  in mfd_fail_write()
383 	if (r >= 0) {  in mfd_fail_write()
391 	int r, fd2;  in mfd_assert_shrink()  local
393 	r = ftruncate(fd, MFD_DEF_SIZE / 2);  in mfd_assert_shrink()
394 	if (r < 0) {  in mfd_assert_shrink()
411 	int r;  in mfd_fail_shrink()  local
413 	r = ftruncate(fd, MFD_DEF_SIZE / 2);  in mfd_fail_shrink()
414 	if (r >= 0) {  in mfd_fail_shrink()
426 	int r;  in mfd_assert_grow()  local
428 	r = ftruncate(fd, MFD_DEF_SIZE * 2);  in mfd_assert_grow()
429 	if (r < 0) {  in mfd_assert_grow()
436 	r = fallocate(fd,  in mfd_assert_grow()
440 	if (r < 0) {  in mfd_assert_grow()
450 	int r;  in mfd_fail_grow()  local
452 	r = ftruncate(fd, MFD_DEF_SIZE * 2);  in mfd_fail_grow()
453 	if (r >= 0) {  in mfd_fail_grow()
458 	r = fallocate(fd,  in mfd_fail_grow()
462 	if (r >= 0) {  in mfd_fail_grow()