Function wt_thd_release

mysys/waiting_threads.c:1213–1255

*/

void wt_thd_release(WT_THD *thd, const WT_RESOURCE_ID *resid)
{
  uint i;
  DBUG_ENTER("wt_thd_release");

  for (i= 0; i < thd->my_resources.elements; i++)
  {
    WT_RESOURCE *rc= *dynamic_element(&thd->my_resources, i, WT_RESOURCE**);
    if (!resid || (resid->type->compare(&rc->id, resid) == 0))
    {
      uint j;

      rc_wrlock(rc);
      /*
        nobody's trying to free the resource now,
        as its owners[] array is not empty (at least thd must be there)
      */
      DBUG_ASSERT(rc->state == ACTIVE);
      for (j= 0; j < rc->owners.elements; j++)
        if (*dynamic_element(&rc->owners, j, WT_THD**) == thd)
          break;
      DBUG_ASSERT(j < rc->owners.elements);
      delete_dynamic_element(&rc->owners, j);
      if (rc->owners.elements == 0)
      {
        mysql_cond_broadcast(&rc->cond);
#ifndef DBUG_OFF
        if (rc->cond_mutex)
          mysql_mutex_assert_owner(rc->cond_mutex);
#endif
      }
      unlock_lock_and_free_resource(thd, rc);
      if (resid)
      {
        delete_dynamic_element(&thd->my_resources, i);
        DBUG_VOID_RETURN;
      }
    }
  }
  if (!resid)
    reset_dynamic(&thd->my_resources);
  DBUG_VOID_RETURN;
}