From: "Andrew Crabtree" <andrewc AT rosemail DOT rose DOT hp DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Volatile
Date: 11 Aug 1997 16:44:46 GMT
Organization: Hewlett-Packard
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To: djgpp AT delorie DOT com
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> 
> There are library functions under UNIX for handling of shared memory and
semaphores, 
> does any on know wether DJGPP supports these facilities??

I wrote me own busy-wait semaphore code in NASM for use use in DJGPP.  Its
pretty trivial, just about 10 lines 
of code.  Take a variable, then do a 'bts' or 'btr' on it and a 'jc' to the
prior instruction.
   Its one of the programming examples in Intels old 386 handbook.