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Date: Sat, 07 Nov 2009 22:17:09 +0100
From: Gabor Kovesdan <gabor@FreeBSD.org>
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To: Jilles Tjoelker <jilles@stack.nl>
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Cc: Kostik Belousov <kostikbel@gmail.com>, freebsd-hackers@freebsd.org
Subject: Re: [patch] add pwait utility
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Jilles Tjoelker escribió:
>> And it seems to make sense to add this functionality to pkill/pgrep
>> binary, creating another hardlink to it.
>>     
>
> Hmm, pwait's syntax is incompatible: it takes pids (pkill says: use
> kill) and the -v option does something totally different.
>   
That's not an issue. You can declare

extern char *__progname;

and use it to parse the command line arguments in a different way. Of 
course, it only makes sense if pkill/pgrep has some inner functionality 
you can make use of to avoid duplication.

-- 
Gabor Kovesdan
FreeBSD Volunteer

EMAIL: gabor@FreeBSD.org .:|:. gabor@kovesdan.org
WEB:   http://people.FreeBSD.org/~gabor .:|:. http://kovesdan.org