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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_nbs.c
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@@ -223,6 +223,7 @@ static struct ast_channel *nbs_new(struct nbs_pvt *i, int state, const char *lin
struct ast_channel *tmp;
tmp = ast_channel_alloc(1, state, 0, 0, "", "s", context, linkedid, 0, "NBS/%s", i->stream);
if (tmp) {
ast_channel_lock(tmp);
ast_channel_tech_set(tmp, &nbs_tech);
ast_channel_set_fd(tmp, 0, nbs_fd(i->nbs));
@@ -239,6 +240,7 @@ static struct ast_channel *nbs_new(struct nbs_pvt *i, int state, const char *lin
ast_channel_language_set(tmp, "");
i->owner = tmp;
i->u = ast_module_user_add(tmp);
ast_channel_unlock(tmp);
if (state != AST_STATE_DOWN) {
if (ast_pbx_start(tmp)) {
ast_log(LOG_WARNING, "Unable to start PBX on %s\n", ast_channel_name(tmp));