ipc_lock
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## Name

ipc_lock — Lock an ipc structure without rwsem held

## Synopsis

`struct kern_ipc_perm * ipc_lock (` | struct ipc_ids * ids,
| int id`)`;

## Arguments

`ids`

  IPC identifier set

`id`

  ipc id to look for

## Description

Look for an id in the ipc ids idr and lock the associated ipc object.

The ipc object is locked on successful exit.

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