[asterisk-commits] russell: branch 1.4 r103821 - /branches/1.4/channels/chan_local.c

SVN commits to the Asterisk project asterisk-commits at lists.digium.com
Tue Feb 19 14:02:50 CST 2008


Author: russell
Date: Tue Feb 19 14:02:49 2008
New Revision: 103821

URL: http://svn.digium.com/view/asterisk?view=rev&rev=103821
Log:
Account for the fact that the "other" channel can disappear while the local pvt
is not locked.

(fixes a problem introduced in rev 100581)
(closes issue #12012)
Reported by: stevedavies
Patch by me

Modified:
    branches/1.4/channels/chan_local.c

Modified: branches/1.4/channels/chan_local.c
URL: http://svn.digium.com/view/asterisk/branches/1.4/channels/chan_local.c?view=diff&rev=103821&r1=103820&r2=103821
==============================================================================
--- branches/1.4/channels/chan_local.c (original)
+++ branches/1.4/channels/chan_local.c Tue Feb 19 14:02:49 2008
@@ -172,24 +172,22 @@
 		return 0;
 	}
 
-	ast_mutex_unlock(&p->lock);
-
 	/* Ensure that we have both channels locked */
-	if (us) {
-		while (ast_channel_trylock(other)) {
+	while (other && ast_channel_trylock(other)) {
+		ast_mutex_unlock(&p->lock);
+		if (us)
 			ast_channel_unlock(us);
-			usleep(1);
+		usleep(1);
+		if (us)
 			ast_channel_lock(us);
-		}
-	} else {
-		ast_channel_lock(other);
-	}
-
-	ast_queue_frame(other, f);
-
-	ast_channel_unlock(other);
-
-	ast_mutex_lock(&p->lock);
+		ast_mutex_lock(&p->lock);
+		other = isoutbound ? p->owner : p->chan;
+	}
+
+	if (other) {
+		ast_queue_frame(other, f);
+		ast_channel_unlock(other);
+	}
 
 	ast_clear_flag(p, LOCAL_GLARE_DETECT);
 




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