ipc_findkey
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## 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`

  ipc identifier set

`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 structure

Called with ipc_ids.rwsem held.

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