62 	int mfd = -1, ret = -1;  in create_and_preserve_memfd()  local
64 	mfd = memfd_create("test_mfd", 0);  in create_and_preserve_memfd()
65 	if (mfd < 0)  in create_and_preserve_memfd()
68 	if (ftruncate(mfd, page_size) != 0)  in create_and_preserve_memfd()
71 	map = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, mfd, 0);  in create_and_preserve_memfd()
78 	arg.fd = mfd;  in create_and_preserve_memfd()
87 	if (mfd >= 0)  in create_and_preserve_memfd()
88 		close(mfd);  in create_and_preserve_memfd()
98 	int mfd = -1, ret = -1;  in restore_and_verify_memfd()  local
103 	mfd = arg.fd;  in restore_and_verify_memfd()
105 	map = mmap(NULL, page_size, PROT_READ, MAP_SHARED, mfd, 0);  in restore_and_verify_memfd()
116 	ret = mfd;  in restore_and_verify_memfd()
122 	if (ret < 0 && mfd >= 0)  in restore_and_verify_memfd()
123 		close(mfd);  in restore_and_verify_memfd()
159 	int mfd;  in restore_and_read_stage()  local
161 	mfd = restore_and_verify_memfd(state_session_fd, token, NULL);  in restore_and_read_stage()
162 	if (mfd < 0)  in restore_and_read_stage()
165 	if (read(mfd, buf, sizeof(buf) - 1) < 0)  in restore_and_read_stage()
166 		fail_exit("failed to read state mfd");  in restore_and_read_stage()
170 	close(mfd);  in restore_and_read_stage()