38 	struct  mISDNtimerdev	*dev;  member
46 	struct mISDNtimerdev	*dev;  in mISDN_open()  local
50 	dev = kmalloc(sizeof(struct mISDNtimerdev) , GFP_KERNEL);  in mISDN_open()
51 	if (!dev)  in mISDN_open()
53 	dev->next_id = 1;  in mISDN_open()
54 	INIT_LIST_HEAD(&dev->pending);  in mISDN_open()
55 	INIT_LIST_HEAD(&dev->expired);  in mISDN_open()
56 	spin_lock_init(&dev->lock);  in mISDN_open()
57 	dev->work = 0;  in mISDN_open()
58 	init_waitqueue_head(&dev->wait);  in mISDN_open()
59 	filep->private_data = dev;  in mISDN_open()
66 	struct mISDNtimerdev	*dev = filep->private_data;  in mISDN_close()  local
67 	struct list_head	*list = &dev->pending;  in mISDN_close()
73 	spin_lock_irq(&dev->lock);  in mISDN_close()
76 		spin_unlock_irq(&dev->lock);  in mISDN_close()
78 		spin_lock_irq(&dev->lock);  in mISDN_close()
83 	spin_unlock_irq(&dev->lock);  in mISDN_close()
85 	list_for_each_entry_safe(timer, next, &dev->expired, list) {  in mISDN_close()
88 	kfree(dev);  in mISDN_close()
95 	struct mISDNtimerdev	*dev = filep->private_data;  in mISDN_read()  local
96 	struct list_head *list = &dev->expired;  in mISDN_read()
107 	spin_lock_irq(&dev->lock);  in mISDN_read()
108 	while (list_empty(list) && (dev->work == 0)) {  in mISDN_read()
109 		spin_unlock_irq(&dev->lock);  in mISDN_read()
112 		wait_event_interruptible(dev->wait, (dev->work ||  in mISDN_read()
116 		spin_lock_irq(&dev->lock);  in mISDN_read()
118 	if (dev->work)  in mISDN_read()
119 		dev->work = 0;  in mISDN_read()
123 		spin_unlock_irq(&dev->lock);  in mISDN_read()
130 		spin_unlock_irq(&dev->lock);  in mISDN_read()
138 	struct mISDNtimerdev	*dev = filep->private_data;  in mISDN_poll()  local
143 	if (dev) {  in mISDN_poll()
144 		poll_wait(filep, &dev->wait, wait);  in mISDN_poll()
146 		if (dev->work || !list_empty(&dev->expired))  in mISDN_poll()
150 			       dev->work, list_empty(&dev->expired));  in mISDN_poll()
161 	spin_lock_irqsave(&timer->dev->lock, flags);  in dev_expire_timer()
163 		list_move_tail(&timer->list, &timer->dev->expired);  in dev_expire_timer()
164 	wake_up_interruptible(&timer->dev->wait);  in dev_expire_timer()
165 	spin_unlock_irqrestore(&timer->dev->lock, flags);  in dev_expire_timer()
169 misdn_add_timer(struct mISDNtimerdev *dev, int timeout)  in misdn_add_timer()  argument
175 		dev->work = 1;  in misdn_add_timer()
176 		wake_up_interruptible(&dev->wait);  in misdn_add_timer()
182 		timer->dev = dev;  in misdn_add_timer()
184 		spin_lock_irq(&dev->lock);  in misdn_add_timer()
185 		id = timer->id = dev->next_id++;  in misdn_add_timer()
186 		if (dev->next_id < 0)  in misdn_add_timer()
187 			dev->next_id = 1;  in misdn_add_timer()
188 		list_add_tail(&timer->list, &dev->pending);  in misdn_add_timer()
191 		spin_unlock_irq(&dev->lock);  in misdn_add_timer()
197 misdn_del_timer(struct mISDNtimerdev *dev, int id)  in misdn_del_timer()  argument
201 	spin_lock_irq(&dev->lock);  in misdn_del_timer()
202 	list_for_each_entry(timer, &dev->pending, list) {  in misdn_del_timer()
206 			spin_unlock_irq(&dev->lock);  in misdn_del_timer()
212 	spin_unlock_irq(&dev->lock);  in misdn_del_timer()
219 	struct mISDNtimerdev	*dev = filep->private_data;  in mISDN_ioctl()  local
233 		id = misdn_add_timer(dev, tout);  in mISDN_ioctl()
251 		id = misdn_del_timer(dev, id);  in mISDN_ioctl()