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From: ted@MITRE-BEDFORD.ARPA
Newsgroups: mod.computers.vax
Subject: SMG$SET_BROADCAST_TRAPPING
Message-ID: <8608062018.AA26437@mitre-bedford.ARPA>
Date: Thu, 7-Aug-86 07:27:37 EDT
Article-I.D.: mitre-be.8608062018.AA26437
Posted: Thu Aug  7 07:27:37 1986
Date-Received: Sat, 9-Aug-86 04:03:15 EDT
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I am working on a full screen application and decided it would be nice
to trap incomimg broadcast messages  using SMG$SET_BROADCAST_TRAPPING
(PASTEBOARD_ID, AST_ADDRESS).  The trap worked just fine  until I tried
to use a  LIB$SPAWN, which bombed out   on  me.  I  checked  the error
status of the spawn   and it said   that  my "terminal  still  has  an
associated mailbox... terminate  image then spawn".    I tried turning
off broadcast trapping using SMG$SET_BROADCAST_TRAPPING(PASTEBOARD_ID)
before doing a SPAWN, but it did not remove the associated mailbox.

Questions:
  1) Can this mailbox be deleted without exiting the image?
  2) If so, how do I find out the 'chan' of the mailbox?
     (SMG$SET... does not return it)
  3) Does anyone know how to do broadcast trapping without using SMG$?

Any feedback would be appreciated.
						--ted
Ted Ede
ARPA: ted@mitre-bedford
DDD:  (617) 271-2460