C++ (Cpp) do_shm_rmid примеры использования

Пример #1

void shm_exit_ns(struct ipc_namespace *ns)
{
	int i;
	struct shmid_kernel *shp;

	mutex_lock(&shm_ids(ns).mutex);
	for (i = 0; i <= shm_ids(ns).max_id; i++) {
		shp = shm_lock(ns, i);
		if (shp == NULL)
			continue;

		do_shm_rmid(ns, shp);
	}
	mutex_unlock(&shm_ids(ns).mutex);

	ipc_fini_ids(ns->ids[IPC_SHM_IDS]);
	kfree(ns->ids[IPC_SHM_IDS]);
	ns->ids[IPC_SHM_IDS] = NULL;
}

Пример #2

void shm_exit_ns(struct ipc_namespace *ns)
{
	struct shmid_kernel *shp;
	int next_id;
	int total, in_use;

	down_write(&shm_ids(ns).rw_mutex);

	in_use = shm_ids(ns).in_use;

	for (total = 0, next_id = 0; total < in_use; next_id++) {
		shp = idr_find(&shm_ids(ns).ipcs_idr, next_id);
		if (shp == NULL)
			continue;
		ipc_lock_by_ptr(&shp->shm_perm);
		do_shm_rmid(ns, shp);
		total++;
	}
	up_write(&shm_ids(ns).rw_mutex);

	kfree(ns->ids[IPC_SHM_IDS]);
	ns->ids[IPC_SHM_IDS] = NULL;
}