Name
ipc_lock —
Lock an ipc structure without rw_mutex 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 exit.