Fix deadlock in sig_pri when hanging up.
The pri_dchannel thread currently violates locking order by locking the private and then attempting to queue a frame, which needs to lock the channel. Queueing a frame is unneccesary though and is actually a regression since sig_pri. All the places that currently use ast_softhangup_nolock now will just set the softhangup value directly as before. (closes issue #17216) Reported by: lmsteffan Patches: bug17216.patch uploaded by jpeeler (license 325) git-svn-id: http://svn.digium.com/svn/asterisk/trunk@261866 f38db490-d61c-443f-a65b-d21fe96a405b
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@ -2886,7 +2886,7 @@ static void *pri_dchannel(void *vpri)
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ast_log(LOG_WARNING, "The PRI Call have not been destroyed\n");
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}
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if (p->owner)
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ast_softhangup_nolock(p->owner, AST_SOFTHANGUP_DEV);
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p->owner->_softhangup |= AST_SOFTHANGUP_DEV;
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}
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sig_pri_set_alarm(p, 1);
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}
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@ -2925,7 +2925,7 @@ static void *pri_dchannel(void *vpri)
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}
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/* Force soft hangup if appropriate */
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if (pri->pvts[chanpos]->owner)
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ast_softhangup_nolock(pri->pvts[chanpos]->owner, AST_SOFTHANGUP_DEV);
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pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
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sig_pri_unlock_private(pri->pvts[chanpos]);
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}
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} else {
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@ -2938,7 +2938,7 @@ static void *pri_dchannel(void *vpri)
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pri->pvts[x]->call = NULL;
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}
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if (pri->pvts[x]->owner)
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ast_softhangup_nolock(pri->pvts[x]->owner, AST_SOFTHANGUP_DEV);
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pri->pvts[x]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
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sig_pri_unlock_private(pri->pvts[x]);
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}
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}
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@ -3664,7 +3664,7 @@ static void *pri_dchannel(void *vpri)
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switch (pri->pvts[chanpos]->owner->_state) {
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case AST_STATE_BUSY:
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case AST_STATE_UP:
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ast_softhangup_nolock(pri->pvts[chanpos]->owner, AST_SOFTHANGUP_DEV);
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pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
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break;
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default:
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switch (e->hangup.cause) {
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@ -3680,7 +3680,7 @@ static void *pri_dchannel(void *vpri)
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pri_queue_control(pri, chanpos, AST_CONTROL_CONGESTION);
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break;
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default:
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ast_softhangup_nolock(pri->pvts[chanpos]->owner, AST_SOFTHANGUP_DEV);
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pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
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break;
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}
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break;
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@ -3765,7 +3765,7 @@ static void *pri_dchannel(void *vpri)
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switch (pri->pvts[chanpos]->owner->_state) {
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case AST_STATE_BUSY:
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case AST_STATE_UP:
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ast_softhangup_nolock(pri->pvts[chanpos]->owner, AST_SOFTHANGUP_DEV);
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pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
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break;
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default:
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switch (e->hangup.cause) {
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@ -3781,7 +3781,7 @@ static void *pri_dchannel(void *vpri)
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pri_queue_control(pri, chanpos, AST_CONTROL_CONGESTION);
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break;
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default:
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ast_softhangup_nolock(pri->pvts[chanpos]->owner, AST_SOFTHANGUP_DEV);
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pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
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break;
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}
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break;
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@ -3877,7 +3877,7 @@ static void *pri_dchannel(void *vpri)
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if (pri->pvts[chanpos]->owner) {
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ast_log(LOG_WARNING, "Got restart ack on channel %d/%d with owner on span %d\n", pri->pvts[chanpos]->logicalspan,
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pri->pvts[chanpos]->prioffset, pri->span);
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ast_softhangup_nolock(pri->pvts[chanpos]->owner, AST_SOFTHANGUP_DEV);
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pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
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}
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pri->pvts[chanpos]->resetting = 0;
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ast_verb(3, "B-channel %d/%d successfully restarted on span %d\n", pri->pvts[chanpos]->logicalspan,
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@ -3898,7 +3898,7 @@ static void *pri_dchannel(void *vpri)
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if (pri->pvts[chanpos]->owner) {
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ast_log(LOG_WARNING, "Got restart ack on channel %d/%d span %d with owner\n",
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PRI_SPAN(e->restartack.channel), PRI_CHANNEL(e->restartack.channel), pri->span);
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ast_softhangup_nolock(pri->pvts[chanpos]->owner, AST_SOFTHANGUP_DEV);
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pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV;
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}
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pri->pvts[chanpos]->resetting = 0;
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ast_verb(3, "B-channel %d/%d successfully restarted on span %d\n", pri->pvts[chanpos]->logicalspan,
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@ -4889,7 +4889,7 @@ void sig_pri_chan_alarm_notify(struct sig_pri_chan *p, int noalarm)
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ast_log(LOG_WARNING, "The PRI Call has not been destroyed\n");
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}
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if (p->owner)
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ast_softhangup_nolock(p->owner, AST_SOFTHANGUP_DEV);
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p->owner->_softhangup |= AST_SOFTHANGUP_DEV;
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}
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}
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}
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