[asterisk-commits] russell: trunk r181465 - /trunk/main/channel.c

SVN commits to the Asterisk project asterisk-commits at lists.digium.com
Wed Mar 11 17:26:05 CDT 2009


Author: russell
Date: Wed Mar 11 17:25:57 2009
New Revision: 181465

URL: http://svn.digium.com/svn-view/asterisk?view=rev&rev=181465
Log:
Make handling of the BRIDGE_PLAY_SOUND variable thread-safe.

Modified:
    trunk/main/channel.c

Modified: trunk/main/channel.c
URL: http://svn.digium.com/svn-view/asterisk/trunk/main/channel.c?view=diff&rev=181465&r1=181464&r2=181465
==============================================================================
--- trunk/main/channel.c (original)
+++ trunk/main/channel.c Wed Mar 11 17:25:57 2009
@@ -4586,6 +4586,33 @@
 	ast_channel_unlock(c1);
 }
 
+static void bridge_play_sounds(struct ast_channel *c0, struct ast_channel *c1)
+{
+	const char *s, *sound;
+
+	/* See if we need to play an audio file to any side of the bridge */
+
+	ast_channel_lock(c0);
+	if ((s = pbx_builtin_getvar_helper(c0, "BRIDGE_PLAY_SOUND"))) {
+		sound = ast_strdupa(s);
+		ast_channel_unlock(c0);
+		bridge_playfile(c0, c1, sound, 0);
+		pbx_builtin_setvar_helper(c0, "BRIDGE_PLAY_SOUND", NULL);
+	} else {
+		ast_channel_unlock(c0);
+	}
+
+	ast_channel_lock(c1);
+	if ((s = pbx_builtin_getvar_helper(c1, "BRIDGE_PLAY_SOUND"))) {
+		sound = ast_strdupa(s);
+		ast_channel_unlock(c1);
+		bridge_playfile(c1, c0, sound, 0);
+		pbx_builtin_setvar_helper(c1, "BRIDGE_PLAY_SOUND", NULL);
+	} else {
+		ast_channel_unlock(c1);
+	}
+}
+
 /*! \brief Bridge two channels together */
 enum ast_bridge_result ast_channel_bridge(struct ast_channel *c0, struct ast_channel *c1,
 					  struct ast_bridge_config *config, struct ast_frame **fo, struct ast_channel **rc)
@@ -4663,7 +4690,6 @@
 	for (/* ever */;;) {
 		struct timeval now = { 0, };
 		int to;
-		const char *bridge_play_sound = NULL;
 
 		to = -1;
 
@@ -4741,15 +4767,7 @@
 
 		update_bridge_vars(c0, c1);
 
-		/* See if we need to play an audio file to any side of the bridge */
-		if ((bridge_play_sound = pbx_builtin_getvar_helper(c0, "BRIDGE_PLAY_SOUND"))) {
-			bridge_playfile(c0, c1, bridge_play_sound, 0);
-			pbx_builtin_setvar_helper(c0, "BRIDGE_PLAY_SOUND", NULL);
-		}
-		if ((bridge_play_sound = pbx_builtin_getvar_helper(c1, "BRIDGE_PLAY_SOUND"))) {
-			bridge_playfile(c1, c0, bridge_play_sound, 0);
-			pbx_builtin_setvar_helper(c1, "BRIDGE_PLAY_SOUND", NULL);
-		}
+		bridge_play_sounds(c0, c1);
 
 		if (c0->tech->bridge &&
 		    (c0->tech->bridge == c1->tech->bridge) &&




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