From 074cc2129136c91dcafb521aa42c92373d109127 Mon Sep 17 00:00:00 2001
From: Jason Parker <jparker@digium.com>
Date: Thu, 10 May 2007 23:14:55 +0000
Subject: [PATCH] Fix an issue with trying to kill a thread before it gets
 created.

Issue 9709, patch by nic_bellamy.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@63828 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 channels/chan_iax2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index d11b0b4b8e..f9821eabe4 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -2563,7 +2563,8 @@ static int iax2_transmit(struct iax_frame *fr)
 	iaxq.count++;
 	ast_mutex_unlock(&iaxq.lock);
 	/* Wake up the network thread */
-	pthread_kill(netthreadid, SIGURG);
+	if (netthreadid != AST_PTHREADT_NULL)
+		pthread_kill(netthreadid, SIGURG);
 	return 0;
 }