From b95a720a487b5027af1b9e4a12542800598ff5de Mon Sep 17 00:00:00 2001
From: Simon Riggs <simon@2ndQuadrant.com>
Date: Sat, 13 Feb 2010 01:32:20 +0000
Subject: Re-enable max_standby_delay = -1 using deadlock detection on startup
 process. If startup waits on a buffer pin we send a request to all backends
 to cancel themselves if they are holding the buffer pin required and they are
 also waiting on a lock. If not, startup waits until max_standby_delay before
 cancelling any backend waiting for the requested buffer pin.

---
 src/include/storage/procsignal.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/include/storage/procsignal.h')

diff --git a/src/include/storage/procsignal.h b/src/include/storage/procsignal.h
index 2a67a62a92..0b5316e691 100644
--- a/src/include/storage/procsignal.h
+++ b/src/include/storage/procsignal.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/storage/procsignal.h,v 1.4 2010/01/23 16:37:12 sriggs Exp $
+ * $PostgreSQL: pgsql/src/include/storage/procsignal.h,v 1.5 2010/02/13 01:32:20 sriggs Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -38,6 +38,7 @@ typedef enum
 	PROCSIG_RECOVERY_CONFLICT_LOCK,
 	PROCSIG_RECOVERY_CONFLICT_SNAPSHOT,
 	PROCSIG_RECOVERY_CONFLICT_BUFFERPIN,
+	PROCSIG_RECOVERY_CONFLICT_STARTUP_DEADLOCK,
 
 	NUM_PROCSIGNALS				/* Must be last! */
 } ProcSignalReason;
-- 
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