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Merged revisions 88805 via svnmerge from

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

........
r88805 | russell | 2007-11-05 16:07:54 -0600 (Mon, 05 Nov 2007) | 12 lines

After seeing crashes related to channel variables, I went looking around at the
ways that channel variables are handled.  In general, they were not handled in
a thread-safe way.  The channel _must_ be locked when reading or writing from/to
the channel variable list.

What I have done to improve this situation is to make pbx_builtin_setvar_helper()
and friends lock the channel when doing their thing.  Asterisk API calls almost 
all lock the channel for you as necessary, but this family of functions did not.

(closes issue #10923, reported by atis)
(closes issue #11159, reported by 850t)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@88934 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-11-06 14:08:54 +00:00
parent ed6e62a8e5
commit 9bfd82cec2
4 changed files with 62 additions and 47 deletions
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18
channels/busy.h
View File

@@ -1,21 +1,3 @@
/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2007, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/* busy.h: Generated from frequencies 480 and 620
by gentone. 400 samples */
static short busy[400] = {

18
channels/ringtone.h
View File

@@ -1,21 +1,3 @@
/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2007, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/* ringtone.h: Generated from frequencies 440 and 480
by gentone. 200 samples */
static short ringtone[200] = {