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channels: Return allocated channels locked.

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This change makes ast_channel_alloc return allocated channels
locked. By doing so no other thread can acquire, lock, and manipulate
the channel before it is completely set up.

(closes issue AST-1256)

Review: https://reviewboard.asterisk.org/r/3067/


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/12@404204 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2013-12-18 19:20:02 +00:00
parent 8385e4ba61
commit f4d662add6
38 changed files with 187 additions and 70 deletions
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2
channels/chan_sip.c
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@@ -8100,6 +8100,7 @@ static struct ast_channel *sip_new(struct sip_pvt *i, int state, const char *tit
if (i->relatedpeer && i->relatedpeer->endpoint) {
if (ast_endpoint_add_channel(i->relatedpeer->endpoint, tmp)) {
ast_channel_unlock(tmp);
ast_channel_unref(tmp);
sip_pvt_lock(i);
return NULL;
@@ -8113,7 +8114,6 @@ static struct ast_channel *sip_new(struct sip_pvt *i, int state, const char *tit
ast_channel_callid_set(tmp, callid);
}
ast_channel_lock(tmp);
sip_pvt_lock(i);
ast_channel_cc_params_init(tmp, i->cc_params);
ast_channel_caller(tmp)->id.tag = ast_strdup(i->cid_tag);