From dfa3ca995c99e66ab56e98da79e386bcdb23c43a Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Mon, 2 Mar 2009 03:08:22 +0000
Subject: [PATCH] 2568.   [bug]           Report when the write to indicate a
 otherwise                         successful start fails. [RT #19360]

---
 CHANGES             | 2 ++
 bin/named/unix/os.c | 8 +++++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/CHANGES b/CHANGES
index dcdd2ea7f2..3013e31650 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,5 @@
+2568.	[bug]		Report when the write to indicate a otherwise					successful start fails. [RT #19360]
+
 2567.	[bug]		dst__privstruct_writefile() could miss write errors.
 			write_public_key() could miss write errors.
 			dnssec-dsfromkey could miss write errors.
diff --git a/bin/named/unix/os.c b/bin/named/unix/os.c
index d59ccb330e..eb8682a485 100644
--- a/bin/named/unix/os.c
+++ b/bin/named/unix/os.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: os.c,v 1.94 2009/02/16 23:48:04 tbox Exp $ */
+/* $Id: os.c,v 1.95 2009/03/02 03:08:22 marka Exp $ */
 
 /*! \file */
 
@@ -462,10 +462,12 @@ ns_os_started(void) {
 	char buf = 0;
 
 	/*
-	 * Signal to the parent that we stated successfully.
+	 * Signal to the parent that we started successfully.
 	 */
 	if (dfd[0] != -1 && dfd[1] != -1) {
-		write(dfd[1], &buf, 1);
+		if (write(dfd[1], &buf, 1) != 1)
+			ns_main_earlyfatal("unable to signal parent that we "
+					   "otherwise started successfully.");
 		close(dfd[1]);
 		dfd[0] = dfd[1] = -1;
 	}