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| IPC_FINDKEY(9) | Kernel IPC facilities | IPC_FINDKEY(9) |
NAME¶
ipc_findkey - find a key in an ipc identifier setSYNOPSIS¶
struct kern_ipc_perm * ipc_findkey(struct ipc_ids * ids, key_t key);
ARGUMENTS¶
struct ipc_ids * idsipc identifier set
key_t key
key to find
DESCRIPTION¶
Returns the locked pointer to the ipc structure if found or NULL otherwise. If key is found ipc points to the owning ipc structureCalled with ipc_ids.rwsem held.
COPYRIGHT¶
| July 2017 | Kernel Hackers Manual 4.11 |