*** lwlock.c	Tue Mar 17 12:27:49 2009
--- lwlock.c.orig	Wed Mar 11 12:48:27 2009
***************
*** 87,93 ****
  
  static int	lock_addin_request = 0;
  static bool lock_addin_request_allowed = true;
- int LWLockWakeupAlgorithm;
  
  #ifdef LWLOCK_STATS
  static int	counts_for_pid = 0;
--- 87,92 ----
***************
*** 564,570 ****
  	PGPROC	   *head;
  	PGPROC	   *proc;
  	int			i;
-         int         runq;
  
  	PRINT_LWDEBUG("LWLockRelease", lockid, lock);
  
--- 563,568 ----
***************
*** 612,631 ****
  			 * as many waiters as want shared access.
  			 */
  			proc = head;
! 			 if (LWLockWakeupAlgorithm || !proc->lwExclusive)
! 			 {
!                               if (LWLockWakeupAlgorithm <= 1)
!                               {
  				while (proc->lwWaitLink != NULL &&
! 			            (proc->lwExclusive == proc->lwWaitLink->lwExclusive))
  					proc = proc->lwWaitLink;
-                               }
-                                else 
-                               {  
-                                 runq= LWLockWakeupAlgorithm;
- 				while (proc->lwWaitLink != NULL && --runq)
- 					proc = proc->lwWaitLink;
- 			      }
  			}
  			/* proc is now the last PGPROC to be released */
  			lock->head = proc->lwWaitLink;
--- 610,620 ----
  			 * as many waiters as want shared access.
  			 */
  			proc = head;
! 			if (!proc->lwExclusive)
! 			{
  				while (proc->lwWaitLink != NULL &&
! 					   !proc->lwWaitLink->lwExclusive)
  					proc = proc->lwWaitLink;
  			}
  			/* proc is now the last PGPROC to be released */
  			lock->head = proc->lwWaitLink;