1IPC_FINDKEY(9) Kernel IPC facilities IPC_FINDKEY(9)
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4
NAME
6ipc_findkey - find a key in an ipc identifier set
7
SYNOPSIS
9struct kern_ipc_perm * ipc_findkey(struct ipc_ids * ids, key_t key);
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ARGUMENTS
12ids
13Identifier set
1415
key
16The key to find
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DESCRIPTION
19Requires ipc_ids.rw_mutex locked. Returns the LOCKED pointer to the ipc
20structure if found or NULL if not. If key is found ipc points to the
21owning ipc structure
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COPYRIGHT
24Kernel Hackers Manual 2.6. June 2019 IPC_FINDKEY(9)