SHM_RENAME_NOREPLACE
SHM_RENAME_NOREPLACE |
if ((flags & SHM_RENAME_NOREPLACE) != 0 &&
if ((flags & SHM_RENAME_NOREPLACE) != 0 && fd_to != NULL) {
rc = shm_rename(test_path, test_path2, SHM_RENAME_NOREPLACE);