ipc_unlock_object

Name:ipc_unlock_object

Proto:static inline void ipc_unlock_object(struct kern_ipc_perm *perm)

Type:void

Parameter:

Type	Parameter	Name
struct kern_ipc_perm *	perm

214

spin_unlock( & lock)

**Caller**
Name	Describe
newque	wque - Create a new msg queue@ns: namespace@params: ptr to the structure that contains the key and msgflg* Called with msg_ids.rwsem held (writer)
freeque	que() wakes up waiters on the sender and receiver waiting queue,* removes the message queue from message queue ID IDR, and cleans up all the* messages associated with this queue.* msg_ids.rwsem (writer) and the spinlock for this message queue are held
msgctl_down	This function handles some msgctl commands which require the rwsem* to be held in write mode.* NOTE: no locks must be held, the rwsem is taken inside this function.
msgctl_stat
do_msgsnd
do_msgrcv
sem_lock	If the request contains only one semaphore operation, and there are* no complex transactions pending, lock only the semaphore involved
sem_unlock
semctl_stat
shm_lock	shm_lock_(check_) routines are called in the paths where the rwsem* is not necessarily held.
newseg	wseg - Create a new shared memory segment@ns: namespace@params: ptr to the structure that contains key, size and shmflg* Called with shm_ids.rwsem held as a writer.
shmctl_down	This function handles some shmctl commands which require the rwsem* to be held in write mode.* NOTE: no locks must be held, the rwsem is taken inside this function.
shmctl_stat
shmctl_do_lock
do_shmat	Fix shmaddr, allocate descriptor, map shm, add attach descriptor to lists.* NOTE! Despite the name, this is NOT a direct system call entrypoint. The* "raddr" thing points to kernel space, and there has to be a wrapper around* this.

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