Name
ipc_findkey —
find a key in an ipc identifier set
Synopsis
struct kern_ipc_perm * ipc_findkey ( | struct ipc_ids * | ids, |
| | key_t | key); |
Arguments
ids
Identifier set
key
The key to find
Description
Requires ipc_ids.rw_mutex locked.
Returns the LOCKED pointer to the ipc structure if found or NULL
if not.
If key is found ipc points to the owning ipc structure