Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!olivea!uunet!cbmvax!ag
From: ag@cbmvax.commodore.com (Keith Gabryelski)
Newsgroups: comp.unix.amiga
Subject: Re: Amiga 3000UX first impressions
Keywords: Amiga unix 3000UX
Message-ID: <18539@cbmvax.commodore.com>
Date: 4 Feb 91 17:16:02 GMT
References: <157@tcr.UUCP> <5187@auspex.auspex.com> <843@amix.commodore.com> <25196@grebyn.com>
Reply-To: ag@cbmvax.commodore.com (Keith Gabryelski)
Organization: Commodore-Amiga Unix; West Chester, PA
Lines: 21

In article <25196@grebyn.com> brian@grebyn.com (Brian Bishop) writes:
>In article <843@amix.commodore.com> skrenta@amix.commodore.com (Rich Skrenta) writes:
>>
>>  Truss is a system call tracer:
>>
>>	$ mkdir one
>>	$ truss mv one two
>>	execve("/usr/bin/mv", 0xC07FFF00, 0xC07FFF10)  argc = 3
>>	open("/dev/zero", O_RDONLY, 0)			= 3
>                          ^^^^^^^^
>
>   Is this real output? Does truss know to replace the value in the call with
>the #define O_RDONLY?  If so, that's way cool!! How does it know to do this??

Only somewhat ``way cool''--truss has a set of compiled-in strings
that it uses to resolve the arguments.

The `-x' switch turns this feature off.  (ie no symbolic processing
is done and all arguments are displayed as hex digits).

Pax, Keith