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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/
........

Merged revisions 404204 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@404210 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2013-12-18 19:28:05 +00:00
parent e23b8d19a4
commit e2630fcd51
38 changed files with 187 additions and 70 deletions
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1
channels/chan_phone.c
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@@ -901,6 +901,7 @@ static struct ast_channel *phone_new(struct phone_pvt *i, int state, char *cntx,
i->owner = tmp;
ast_module_ref(ast_module_info->self);
ast_channel_unlock(tmp);
if (state != AST_STATE_DOWN) {
if (state == AST_STATE_RING) {
ioctl(ast_channel_fd(tmp, 0), PHONE_RINGBACK);