create_and_preserve_memfd
if (create_and_preserve_memfd(session_fd, TEST_MEMFD_TOKEN,
if (create_and_preserve_memfd(s_files1_fd, MFD1_TOKEN, MFD1_DATA) < 0) {
if (create_and_preserve_memfd(s_files2_fd, MFD2_TOKEN, MFD2_DATA) < 0) {
if (create_and_preserve_memfd(s_files2_fd, MFD3_TOKEN, MFD3_DATA) < 0) {
if (create_and_preserve_memfd(state_session_fd, token, buf) < 0)
int create_and_preserve_memfd(int session_fd, int token, const char *data);