From 230cf8d37363e63ad97436b7b47fcf122b6afc6b Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Mon, 27 Nov 2000 05:36:12 +0000
Subject: [PATCH] Check for link(2) failure.

---
 src/backend/access/transam/xlog.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index fd99732d21..b31a6182ee 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2000, PostgreSQL, Inc
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.34 2000/11/25 20:33:50 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.35 2000/11/27 05:36:12 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -860,7 +860,11 @@ XLogFileInit(uint32 log, uint32 seg, bool *usexistent)
 			 log, seg, 0);
 
 	close(fd);
-	link(tpath, path);
+
+	if (link(tpath, path) < 0)
+		elog(STOP, "InitRelink(logfile %u seg %u) failed: %m",
+			 logId, logSeg);
+
 	unlink(tpath);
 
 	fd = BasicOpenFile(path, O_RDWR | PG_BINARY, S_IRUSR | S_IWUSR);