Merged revisions 63830 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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r63830 | qwell | 2007-05-10 18:15:37 -0500 (Thu, 10 May 2007) | 12 lines

Merged revisions 63828 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.2

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r63828 | qwell | 2007-05-10 18:14:55 -0500 (Thu, 10 May 2007) | 4 lines

Fix an issue with trying to kill a thread before it gets created.

Issue 9709, patch by nic_bellamy.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@63832 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_iax2.c

@@ -2506,7 +2506,8 @@ static int iax2_transmit(struct iax_frame *fr)
 	AST_LIST_INSERT_TAIL(&queue, fr, list);
 	AST_LIST_UNLOCK(&queue);
 	/* Wake up the network and scheduler thread */
-	pthread_kill(netthreadid, SIGURG);
+	if (netthreadid != AST_PTHREADT_NULL)
+		pthread_kill(netthreadid, SIGURG);
 	signal_condition(&sched_lock, &sched_cond);
 	return 0;
 }