From 315f8bb1b22ffa6b81c1c5a71058c4a24351eaa6 Mon Sep 17 00:00:00 2001
From: Joshua Colp <jcolp@digium.com>
Date: Fri, 15 Dec 2006 06:31:26 +0000
Subject: [PATCH] Merged revisions 48478 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r48478 | file | 2006-12-15 01:28:05 -0500 (Fri, 15 Dec 2006) | 2 lines

Use a wakeup variable so that we don't wait on IO indefinitely if packets need to be retransmitted.

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@48479 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 channels/chan_iax2.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index 43aa7fbe79..0abe9206f2 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -8098,7 +8098,7 @@ static void *network_thread(void *ignore)
 {
 	/* Our job is simple: Send queued messages, retrying if necessary.  Read frames 
 	   from the network, and queue them for delivery to the channels */
-	int res, count;
+	int res, count, wakeup;
 	struct iax_frame *f;
 
 	if (timingfd > -1)
@@ -8109,13 +8109,16 @@ static void *network_thread(void *ignore)
 		   sent, and scheduling retransmissions if appropriate */
 		AST_LIST_LOCK(&iaxq.queue);
 		count = 0;
+		wakeup = -1;
 		AST_LIST_TRAVERSE_SAFE_BEGIN(&iaxq.queue, f, list) {
 			if (f->sentyet)
 				continue;
 			
 			/* Try to lock the pvt, if we can't... don't fret - defer it till later */
-			if (ast_mutex_trylock(&iaxsl[f->callno]))
+			if (ast_mutex_trylock(&iaxsl[f->callno])) {
+				wakeup = 1;
 				continue;
+			}
 
 			f->sentyet++;
 
@@ -8146,7 +8149,7 @@ static void *network_thread(void *ignore)
 			ast_log(LOG_DEBUG, "chan_iax2: Sent %d queued outbound frames all at once\n", count);
 
 		/* Now do the IO, and run scheduled tasks */
-		res = ast_io_wait(io, -1);
+		res = ast_io_wait(io, wakeup);
 		if (res >= 0) {
 			if (res >= 20 && option_debug)
 				ast_log(LOG_DEBUG, "chan_iax2: ast_io_wait ran %d I/Os all at once\n", res);
-- 
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