Function rc_unlock

mysys/waiting_threads.c:444–456

  DBUG_PRINT("wt", ("LOCK resid=%ld for WRITE", (ulong)rc->id.value));
}
static void rc_unlock(WT_RESOURCE *rc)
{
  DBUG_PRINT("wt", ("UNLOCK resid=%ld", (ulong)rc->id.value));
  mysql_mutex_lock(&rc->lock.mutex);
  if (rc->lock.write_locked)
  {
    rc->lock.write_locked= 0;
    mysql_cond_broadcast(&rc->lock.cond);
  }
  else if (--rc->lock.readers == 0)
    mysql_cond_broadcast(&rc->lock.cond);
  mysql_mutex_unlock(&rc->lock.mutex);
}
#else
static void rc_rwlock_init(WT_RESOURCE *rc)
{