92 static struct ipc_ids msg_ids;  variable
94 #define msg_lock(id)	((struct msg_queue*)ipc_lock(&msg_ids,id))
95 #define msg_unlock(id)	ipc_unlock(&msg_ids,id)
96 #define msg_rmid(id)	((struct msg_queue*)ipc_rmid(&msg_ids,id))
98 	ipc_checkid(&msg_ids,&msq->q_perm,msgid)
100 	ipc_buildid(&msg_ids, id, seq)
110 	ipc_init_ids(&msg_ids,msg_ctlmni);  in msg_init()
125 	id = ipc_addid(&msg_ids, &msq->q_perm, msg_ctlmni);  in newque()
308 	down(&msg_ids.sem);  in sys_msgget()
311 	else if ((id = ipc_findkey(&msg_ids, key)) == -1) { /* key not used */  in sys_msgget()
328 	up(&msg_ids.sem);  in sys_msgget()
453 		down(&msg_ids.sem);  in sys_msgctl()
455 			msginfo.msgpool = msg_ids.in_use;  in sys_msgctl()
463 		max_id = msg_ids.max_id;  in sys_msgctl()
464 		up(&msg_ids.sem);  in sys_msgctl()
476 		if(cmd == MSG_STAT && msqid >= msg_ids.size)  in sys_msgctl()
523 	down(&msg_ids.sem);  in sys_msgctl()
568 	up(&msg_ids.sem);  in sys_msgctl()
860 	down(&msg_ids.sem);  in sysvipc_msg_read_proc()
863 	for(i = 0; i <= msg_ids.max_id; i++) {  in sysvipc_msg_read_proc()
896 	up(&msg_ids.sem);  in sysvipc_msg_read_proc()