From:	Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: LOCK_FUNCTION(x) macro
Organization:	Pin Eight Software http://pineight.8m.com/
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References:	<20000522233748 DOT 17166 DOT 00000881 AT ng-bg1 DOT aol DOT com>
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NNTP-Posting-Date:	Tue, 23 May 2000 03:43:11 GMT
Distribution:	world
Date:	Tue, 23 May 2000 03:43:11 GMT
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

On 23 May 2000 03:37:48 GMT, omega782 AT aol DOT com (Omega782) wrote:

>The lock function macro described in the djgpp djgpp user's guide
>
>("http://www.delorie.com/djgpp/doc/ug/interrupts/overview.html")
>
>is defined as:
>
>#define LOCK_FUNCTION(x)    _go32_dpmi_lock_code(x,(long)sizeof(x));
>
>When I tried to use this, I got the compile time error:
>
>"ANSI C++ forbids taking the sizeof a function type"
>
>When I tried using the Allegro definition of lock function:
>
>#define LOCK_CODE(c,s)        _go32_dpmi_lock_code((c), (s))
>#define LOCK_FUNCTION(x)      LOCK_CODE(x, (long)x##_end - (long)x)
>
>I got the error:
>
>dspcabs.h:39: `DSpaceKeyboardInterruptHandler_end' undeclared (first use this
>function)
>
>(DSpaceKeyboardInterruptHandler is my ISR)

Put this right after your ISR:
  END_OF_FUNCTION(DSpaceKeyboardInterruptHandler);

-- 
Damian Yerrick
"I refuse to listen to those who refuse to listen to reason."
See the whole sig: http://www.rose-hulman.edu/~yerricde/sig.html

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