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Fixed a severe issue where a misdn_read would lock the channel, but read would

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not return because it blocks. later chan_misdn would try to queue a frame like
a AST_CONTROL_ANSWER which could result in a deadlock situation. misdn_read
will now not block forever anymore, and we don't queue the ANSWER frame at all
when we already was called with misdn_answer -> answer would be called twice.

Also we don't explicitly send a RELEASE_COMPLETE on receiption of a RELEASE
anymore, because mISDN does that for us, this resulted in a problem on some
switches, which would block our port after some calls for a short while.



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@81367 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Christian Richter
2007-08-30 08:31:59 +00:00
parent dbe2d229a5
commit 6576e93697
2 changed files with 39 additions and 15 deletions
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5
channels/misdn/isdn_lib.c
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@@ -1566,9 +1566,6 @@ static int handle_event ( struct misdn_bchannel *bc, enum event_e event, iframe_
case EVENT_PROGRESS:
case EVENT_PROCEEDING:
case EVENT_SETUP_ACKNOWLEDGE:
setup_bc(bc);
case EVENT_SETUP:
{
if (bc->channel == 0xff || bc->channel<=0)
@@ -1580,6 +1577,8 @@ static int handle_event ( struct misdn_bchannel *bc, enum event_e event, iframe_
return -1;
}
}
setup_bc(bc);
break;
case EVENT_RELEASE_COMPLETE: