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| IPC_OBTAIN_OBJECT_CH(9) | Kernel IPC facilities | IPC_OBTAIN_OBJECT_CH(9) |
NAME¶
ipc_obtain_object_check -SYNOPSIS¶
struct kern_ipc_perm * ipc_obtain_object_check(struct ipc_ids * ids, int id);
ARGUMENTS¶
struct ipc_ids * idsipc identifier set
int id
ipc id to look for
DESCRIPTION¶
Similar to ipc_obtain_object_idr but also checks the ipc object reference counter.Call inside the RCU critical section. The ipc object is *not* locked on exit.
COPYRIGHT¶
| July 2017 | Kernel Hackers Manual 4.11 |