IPC_LOCK(9)                           Kernel IPC facilities                           IPC_LOCK(9)



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.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                               IPC_LOCK(9)