From b5272684eef7a84ed0d6e893877668c0716d866b Mon Sep 17 00:00:00 2001
From: "Kevin P. Fleming" <kpfleming@digium.com>
Date: Sun, 15 May 2005 02:54:47 +0000
Subject: [PATCH] fix for dead manager connections to avoid deadlock (bug
 #4053)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5661 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 manager.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/manager.c b/manager.c
index 8b8c66bb17..7f8df8bd7d 100755
--- a/manager.c
+++ b/manager.c
@@ -94,6 +94,10 @@ int ast_carefulwrite(int fd, char *s, int len, int timeoutms)
 	int res=0;
 	struct pollfd fds[1];
 	while(len) {
+		/* Wait until writable */
+		res = poll(fds, 1, timeoutms);
+		if (res < 1)
+			return -1;
 		res = write(fd, s, len);
 		if ((res < 0) && (errno != EAGAIN)) {
 			return -1;