linux-master/ipc/sem.c

113 /* One sem_array data structure for each set of semaphores in the system. */
114 struct sem_array {
191  *	sem_array.complex_count,
192  *	sem_array.pending{_alter,_const},
193  *	sem_array.sem_undo
196  *	sem_array.sems[i].pending_{const,alter}:
283 static void unmerge_queues(struct sem_array *sma)
313 static void merge_queues(struct sem_array *sma)
326 	struct sem_array *sma = container_of(p, struct sem_array, sem_perm);
336 static void complexmode_enter(struct sem_array *sma)
363 static void complexmode_tryleave(struct sem_array *sma)
389 static inline int sem_lock(struct sem_array *sma, struct sembuf *sops,
460 static inline void sem_unlock(struct sem_array *sma, int locknum)
478 static inline struct sem_array *sem_obtain_object(struct ipc_namespace *ns, int id)
485 	return container_of(ipcp, struct sem_array, sem_perm);
488 static inline struct sem_array *sem_obtain_object_check(struct ipc_namespace *ns,
496 	return container_of(ipcp, struct sem_array, sem_perm);
499 static inline void sem_lock_and_putref(struct sem_array *sma)
505 static inline void sem_rmid(struct ipc_namespace *ns, struct sem_array *s)
510 static struct sem_array *sem_alloc(size_t nsems)
512 	struct sem_array *sma;
534 	struct sem_array *sma;
593 	struct sem_array *sma;
595 	sma = container_of(ipcp, struct sem_array, sem_perm);
646 static int perform_atomic_semop_slow(struct sem_array *sma, struct sem_queue *q)
719 static int perform_atomic_semop(struct sem_array *sma, struct sem_queue *q)
799 static void unlink_queue(struct sem_array *sma, struct sem_queue *q)
816 static inline int check_restart(struct sem_array *sma, struct sem_queue *q)
854 static int wake_const_ops(struct sem_array *sma, int semnum,
893 static int do_smart_wakeup_zero(struct sem_array *sma, struct sembuf *sops,
949 static int update_queue(struct sem_array *sma, int semnum, struct wake_q_head *wake_q)
1005 static void set_semotime(struct sem_array *sma, struct sembuf *sops)
1029 static void do_smart_update(struct sem_array *sma, struct sembuf *sops, int nsops,
1072 static int check_qop(struct sem_array *sma, int semnum, struct sem_queue *q,
1106 static int count_semcnt(struct sem_array *sma, ushort semnum,
1147 	struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);
1219 static time64_t get_semotime(struct sem_array *sma)
1237 	struct sem_array *sma;
1347 	struct sem_array *sma;
1408 	struct sem_array *sma;
1604 	struct sem_array *sma;
1618 	sma = container_of(ipcp, struct sem_array, sem_perm);
1908 	struct sem_array *sma;
1988 	struct sem_array *sma;
2348 		struct sem_array *sma;
2453 	struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);