Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!psuvax1!swatsun!jackiw
From: jackiw@cs.swarthmore.edu (Nick Jackiw)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Hanging due to repeated modaldialog call
Message-ID: <60MPZTB@cs.swarthmore.edu>
Date: 29 Aug 90 14:48:08 GMT
References: <25928@cs.yale.edu>
Reply-To: jackiw@cs.swarthmore.edu (Nick Jackiw)
Organization: Visual Geometry Project, Swarthmore College, PA
Lines: 22

tarr-michael@CS.YALE.EDU (michael tarr) writes:
> Any suggestions as to why calling this more than 4 or 5 times with 4 or
> 5 TE windows open hangs the system (not even a bomb)?
>     itemList = GetResource( 'DITL', SAVE_DITL_ID );
>     saveDialog = NewDialog( NIL_POINTER, &boundsRect, NIL_TITLE, TRUE,
>                 dBoxProc, MOVE_TO_FRONT, NO_GO_AWAY, NIL_REF_CON, itemList );
>     ModalDialog( NIL_POINTER, &itemHit );
>     DisposDialog( saveDialog );
>     ReleaseResource( itemList );

Doesn't DisposDialog release the memory for the item list as well as for
the dialog record itself?  ReleaseResource is then being called on already
released/disposed data.  ReleaseResource's behavior in this case isn't
strictly documented, and may be your problem.



-- 

------------------------
Nick Jackiw		jackiw@cs.swarthmore.edu  "We are what we think,
Visual Geometry Project	jackiw@swarthmr.bitnet     having become what we