extern struct proc_dir_entry *drm_proc_root;
extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
-extern int drm_wait_on(drm_device_t *dev, wait_queue_head_t *queue,
- int timeout, int (*fn)(drm_device_t *dev, void *priv),
- void *priv);
+
/* Proc support (drm_proc.h) */
extern int drm_proc_init(drm_device_t * dev,
int minor,
}
EXPORT_SYMBOL(drm_ioctl);
-int drm_wait_on(drm_device_t *dev, wait_queue_head_t *queue, int timeout,
- int (*fn)(drm_device_t *dev, void *priv), void *priv)
-{
- DECLARE_WAITQUEUE(entry, current);
- unsigned long end = jiffies + (timeout);
- int ret = 0;
- add_wait_queue(queue, &entry);
-
- for (;;) {
- __set_current_state(TASK_INTERRUPTIBLE);
- if ((*fn)(dev, priv))
- break;
- if (time_after_eq(jiffies, end)) {
- ret = -EBUSY;
- break;
- }
- schedule_timeout((HZ/100 > 1) ? HZ/100 : 1);
- if (signal_pending(current)) {
- ret = -EINTR;
- break;
- }
- }
- __set_current_state(TASK_RUNNING);
- remove_wait_queue(queue, &entry);
- return ret;
-}
-EXPORT_SYMBOL(drm_wait_on);
-
drm_local_map_t *drm_getsarea(struct drm_device *dev)
{
drm_map_list_t *entry;