#include <linux/wait.h>
  
  /*
   * Do not use. This is a replacement for the old
   * "interruptible_sleep_on_timeout" function that has been
   * deprecated for ages. All users should instead try to use
   * wait_event_interruptible_timeout.
   */
  
  static inline long
  oss_broken_sleep_on(wait_queue_head_t *q, long timeout)
  {
  	DEFINE_WAIT(wait);
  	prepare_to_wait(q, &wait, TASK_INTERRUPTIBLE);
  	timeout = schedule_timeout(timeout);
  	finish_wait(q, &wait);
  	return timeout;
  }