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Raw format, 5 years 6 months old, and 565 hits.

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Saturday, October 27th, 2007 at 10:08:27am MDT 

  1. bool queue_peek(struct event_queue *q, struct queue_event *ev)
  2. {
  3.     bool have_msg = false;
  4.  
  5.     int oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
  6.     corelock_lock(&q->cl);
  7.  
  8.     if (q->read != q->write)
  9.     {
  10.         *ev = q->events[q->read & QUEUE_LENGTH_MASK];
  11.         have_msg = true;
  12.     }
  13.  
  14.     corelock_unlock(&q->cl);
  15.     set_irq_level(oldlevel);
  16.  
  17.     return have_msg;
  18. }

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