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From: andy@cbmvax.UUCP (Andy Finkel)
Newsgroups: comp.sys.amiga
Subject: Re: How to gain Exclusive Right to the Serial Port?
Message-ID: <2132@cbmvax.UUCP>
Date: Fri, 17-Jul-87 09:53:41 EDT
Article-I.D.: cbmvax.2132
Posted: Fri Jul 17 09:53:41 1987
Date-Received: Wed, 22-Jul-87 02:26:06 EDT
References: <944@gumby.WISC.EDU>
Reply-To: andy@cbmvax.UUCP (Andy Finkel)
Organization: Commodore Technology, West Chester, PA
Lines: 26
Keywords: amiga serial resources parallel

In article <944@gumby.WISC.EDU> g-cheng@gumby.WISC.EDU (Chin-long cheng) writes:
>
>	After reading the posting of Philip Lindsay (thanks) on how to access
>the paralle port, I was able to convert it to gain access the
>serial port resource. However, there seems to be one problem:
>After some program finishes using the serial device(like the aux: handler),
>the MR_SERIALPORT is not automatically freed, resulting in a failure
>when my program tries to gain access.

When the serial.device is close it does a FreeMiscResource on
both the bits and the port.  Something else might be in operation
here.  Perhaps it isn't getting closed ?  You can check this by
testing if you can Expunge it (use the FlushLibs option on the hidden
menu you get by using the Loadwb -debug command, or some other means.
If it doesn't go away, something still has it open)

			andy
-- 
andy finkel		{ihnp4|seismo|allegra}!cbmvax!andy 
Commodore-Amiga, Inc.

"The goal of Computer Science is to build something that will last at
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