From bda6e04ba070a84a124de0e6eeda52534cb4ed4c Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Mon, 15 Mar 2004 16:21:37 +0000
Subject: [PATCH] Check for EOF on pipe differs under win32, as it is based on
 a socket implementation.

Claudio Natoli
---
 src/backend/postmaster/pgstat.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c
index 95cd52e644..15cff4d144 100644
--- a/src/backend/postmaster/pgstat.c
+++ b/src/backend/postmaster/pgstat.c
@@ -13,7 +13,7 @@
  *
  *	Copyright (c) 2001-2003, PostgreSQL Global Development Group
  *
- *	$PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.60 2004/03/10 21:12:46 momjian Exp $
+ *	$PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.61 2004/03/15 16:21:37 momjian Exp $
  * ----------
  */
 #include "postgres.h"
@@ -1642,6 +1642,7 @@ pgstat_mainChild(PGSTAT_FORK_ARGS)
 			 */
 			int			nread = 0;
 			int			targetlen = sizeof(PgStat_MsgHdr);		/* initial */
+			bool		pipeEOF = false;
 
 			while (nread < targetlen)
 			{
@@ -1652,13 +1653,23 @@ pgstat_mainChild(PGSTAT_FORK_ARGS)
 				{
 					if (errno == EINTR)
 						continue;
+#ifdef WIN32
+					if (WSAGetLastError() == WSAECONNRESET) /* EOF on the pipe! (win32 socket based implementation) */
+					{
+						pipeEOF = true;
+						break;
+					}
+#endif
 					ereport(LOG,
 							(errcode_for_socket_access(),
-					 errmsg("could not read from statistics collector pipe: %m")));
+							 errmsg("could not read from statistics collector pipe: %m")));
 					exit(1);
 				}
 				if (len == 0)	/* EOF on the pipe! */
+				{
+					pipeEOF = true;
 					break;
+				}
 				nread += len;
 				if (nread == sizeof(PgStat_MsgHdr))
 				{
@@ -1683,7 +1694,7 @@ pgstat_mainChild(PGSTAT_FORK_ARGS)
 			 * EOF on the pipe implies that the buffer process exited.
 			 * Fall out of outer loop.
 			 */
-			if (len == 0)
+			if (pipeEOF)
 				break;
 
 			/*