ipc_lock (9) Linux Manual Page
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.