table of contents
| IPC_LOCK(9) | Kernel IPC facilities | IPC_LOCK(9) |
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 successful exit.
COPYRIGHT¶
| April 2023 | Kernel Hackers Manual 2.6. |