Add channel locking for channel snapshot creation.

This adds channel locks around calls to create channel snapshots as well
as other functions which operate on a channel and then end up
creating a channel snapshot. Functions that expect the channel to be
locked prior to being called have had their documentation updated to
indicate such.
........

Merged revisions 403311 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@403314 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Michelson
2013-12-03 17:07:29 +00:00
parent 8b24b0d206
commit 8e8b329e14
57 changed files with 384 additions and 31 deletions

View File

@@ -864,6 +864,7 @@ static struct ast_channel *jingle_new(struct jingle *client, struct jingle_pvt *
return NULL;
}
ast_channel_lock(tmp);
ast_channel_stage_snapshot(tmp);
ast_channel_tech_set(tmp, &jingle_tech);
@@ -941,6 +942,7 @@ static struct ast_channel *jingle_new(struct jingle *client, struct jingle_pvt *
ast_jb_configure(tmp, &global_jbconf);
ast_channel_stage_snapshot_done(tmp);
ast_channel_unlock(tmp);
if (state != AST_STATE_DOWN && ast_pbx_start(tmp)) {
ast_log(LOG_WARNING, "Unable to start PBX on %s\n", ast_channel_name(tmp));
@@ -1115,7 +1117,9 @@ static int jingle_newcall(struct jingle *client, ikspak *pak)
}
ast_mutex_unlock(&p->lock);
ast_channel_lock(chan);
ast_setstate(chan, AST_STATE_RING);
ast_channel_unlock(chan);
res = ast_pbx_start(chan);
switch (res) {