3  * linux/ipc/sem.c
7  * /proc/sysvipc/sem support (c) 1999 Dragos Acostachioaie <dragos@iname.com>
40  *   to /proc/sys/kernel/sem.
41  * - statistics about the usage are reported in /proc/sysvipc/sem.
95 struct sem {  struct
126 	struct sem		sems[];  argument
271 	ipc_init_proc_interface("sysvipc/sem",  in sem_init()
296 		struct sem *curr;  in unmerge_queues()
317 		struct sem *sem = &sma->sems[i];  in merge_queues()  local
319 		list_splice_init(&sem->pending_alter, &sma->pending_alter);  in merge_queues()
339 	struct sem *sem;  in complexmode_enter()  local
353 		sem = &sma->sems[i];  in complexmode_enter()
354 		spin_lock(&sem->lock);  in complexmode_enter()
355 		spin_unlock(&sem->lock);  in complexmode_enter()
392 	struct sem *sem;  in sem_lock()  local
412 	sem = &sma->sems[idx];  in sem_lock()
423 		spin_lock(&sem->lock);  in sem_lock()
430 		spin_unlock(&sem->lock);  in sem_lock()
440 		 * with sem->lock.  in sem_lock()
442 		 * sma->use_global_lock after we have acquired sem->lock:  in sem_lock()
446 		spin_lock(&sem->lock);  in sem_lock()
467 		struct sem *sem = &sma->sems[locknum];  in sem_unlock()  local
468 		spin_unlock(&sem->lock);  in sem_unlock()
651 	struct sem *curr;  in perform_atomic_semop_slow()
723 	struct sem *curr;  in perform_atomic_semop()
1173 		struct sem *sem = &sma->sems[i];  in freeary()  local
1174 		list_for_each_entry_safe(q, tq, &sem->pending_const, list) {  in freeary()
1178 		list_for_each_entry_safe(q, tq, &sem->pending_alter, list) {  in freeary()
1182 		ipc_update_pid(&sem->sempid, NULL);  in freeary()
1348 	struct sem *curr;  in semctl_setval()
1409 	struct sem *curr;  in semctl_main()
2128 		struct sem *curr;  in __do_semtimedop()
2414 			struct sem *semaphore = &sma->sems[i];  in exit_sem()