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Add channel locking for channel snapshot creation.

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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
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4
res/res_stasis.c
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@@ -637,7 +637,9 @@ static int send_start_msg(struct stasis_app *app, struct ast_channel *chan,
ast_assert(chan != NULL);
/* Set channel info */
ast_channel_lock(chan);
snapshot = ast_channel_snapshot_create(chan);
ast_channel_unlock(chan);
if (!snapshot) {
return -1;
}
@@ -681,7 +683,9 @@ static int send_end_msg(struct stasis_app *app, struct ast_channel *chan)
ast_assert(chan != NULL);
/* Set channel info */
ast_channel_lock(chan);
snapshot = ast_channel_snapshot_create(chan);
ast_channel_unlock(chan);
if (snapshot == NULL) {
return -1;
}