W(shm_unlink) {
    char *name;
    PA("s", &name);
    int ret = shm_unlink(name);
    if (ret == -1) { PyErr_SetFromErrnoWithFilename(PyExc_OSError, name); return NULL; }
    Py_RETURN_NONE;
}
W(shm_unlink) {
    char *name;
    PA("s", &name);
    int ret = shm_unlink(name);
    if (ret == -1) { PyErr_SetFromErrnoWithFilename(PyExc_OSError, name); return NULL; }
    Py_RETURN_NONE;
}