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IPC_FINDKEY(9) Kernel IPC facilities IPC_FINDKEY(9)
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
COPYRIGHT
Kernel Hackers Manual 2.6. November 2013 IPC_FINDKEY(9)
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