Merged revisions 90142 via svnmerge from

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

........
r90142 | russell | 2007-11-28 18:06:08 -0600 (Wed, 28 Nov 2007) | 4 lines

Merge a change from team/russell/chan_refcount ...

This makes ast_stopstream() thread-safe.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@90143 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/file.h

@@ -66,9 +66,14 @@ int ast_stream_and_wait(struct ast_channel *chan, const char *file, const char *
 
 /*! 
  * \brief Stops a stream 
+ *
  * \param c The channel you wish to stop playback on
+ *
  * Stop playback of a stream 
- * \return 0 regardless
+ *
+ * \retval 0 always
+ *
+ * \note The channel does not need to be locked before calling this function.
  */
 int ast_stopstream(struct ast_channel *c);
 

main/file.c

@@ -119,6 +119,8 @@ int ast_format_unregister(const char *name)
 
 int ast_stopstream(struct ast_channel *tmp)
 {
+	ast_channel_lock(tmp);
+
 	/* Stop a running stream if there is one */
 	if (tmp->stream) {
 		ast_closestream(tmp->stream);
@@ -131,6 +133,9 @@ int ast_stopstream(struct ast_channel *tmp)
 		ast_closestream(tmp->vstream);
 		tmp->vstream = NULL;
 	}
+
+	ast_channel_unlock(tmp);
+
 	return 0;
 }