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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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2
channels/chan_phone.c
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@@ -862,6 +862,7 @@ static struct ast_channel *phone_new(struct phone_pvt *i, int state, char *cntx,
struct ast_format tmpfmt;
tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, "", i->ext, i->context, linkedid, 0, "Phone/%s", i->dev + 5);
if (tmp) {
ast_channel_lock(tmp);
ast_channel_tech_set(tmp, cur_tech);
ast_channel_set_fd(tmp, 0, i->fd);
/* XXX Switching formats silently causes kernel panics XXX */
@@ -898,6 +899,7 @@ static struct ast_channel *phone_new(struct phone_pvt *i, int state, char *cntx,
ast_channel_caller(tmp)->ani.number.valid = 1;
ast_channel_caller(tmp)->ani.number.str = ast_strdup(i->cid_num);
}
ast_channel_unlock(tmp);
i->owner = tmp;
ast_module_ref(ast_module_info->self);