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Stage 1 of deadlock fix (bug #1673 -- but not yet solved, just started) and fix configs ending with no newline (bug #1672)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3025 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2004-05-20 07:52:07 +00:00
parent 0882f61a8e
commit a105455487
2 changed files with 13 additions and 3 deletions
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13
channels/chan_sip.c
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@@ -4538,8 +4538,17 @@ static int get_refer_info(struct sip_pvt *p, struct sip_request *oreq)
p2 = iflist;
while(p2) {
if (!strcmp(p2->callid, tmp5)) {
/* Go ahead and lock it before returning */
/* Go ahead and lock it (and its owner) before returning */
ast_mutex_lock(&p2->lock);
if (p2->owner) {
while(ast_mutex_trylock(&p2->owner->lock)) {
ast_mutex_unlock(&p2->lock);
usleep(1);
ast_mutex_lock(&p2->lock);
if (!p2->owner)
break;
}
}
p->refer_call = p2;
break;
}
@@ -6471,6 +6480,8 @@ static int handle_request(struct sip_pvt *p, struct sip_request *req, struct soc
if (p->refer_call) {
ast_log(LOG_DEBUG,"202 Accepted (supervised)\n");
attempt_transfer(p, p->refer_call);
if (p->refer_call->owner)
ast_mutex_unlock(&p->refer_call->owner->lock);
ast_mutex_unlock(&p->refer_call->lock);
p->refer_call = NULL;
p->gotrefer = 1;