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Date:      Fri, 15 Feb 2008 10:29:33 +0100
From:      =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no>
To:        Kostik Belousov <kostikbel@gmail.com>
Cc:        current@freebsd.org
Subject:   Re: [src] cvs commit: src/include unistd.h src/lib/libc/sys readlink.2 src/sys/compat/freebsd32 syscalls.master src/sys/kern syscalls.master vfs_syscalls.c src/sys/sys syscallsubr.h
Message-ID:  <86ve4qzhxe.fsf@ds4.des.no>
In-Reply-To: <20080214173850.GB57756@deviant.kiev.zoral.com.ua> (Kostik Belousov's message of "Thu\, 14 Feb 2008 19\:38\:50 %2B0200")
References:  <200802122009.m1CK94Y8026959@repoman.freebsd.org> <20080212200911.B49F416A51C@hub.freebsd.org> <20080212204803.GT57756@deviant.kiev.zoral.com.ua> <20080213113530.GB45243@team.vega.ru> <20080214173850.GB57756@deviant.kiev.zoral.com.ua>

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Kostik Belousov <kostikbel@gmail.com> writes:
> The slightly contrived example below works on RELENG_7 amd64, relevant
> output from the truss is
> 	readlink("/usr/X11R6","l",1)                     =3D 1 (0x1)
> on the CURRENT gives
> 	readlink("/usr/X11R6","l",1)                     =3D -4294967295 (0xffff=
ffff00000001)
> [also please note wrong output for the third readlink arg; ktrace/kdump w=
orks
> ok].

The only advantage truss has is the ability to decode structs
(e.g. struct sockaddr in a connect() call).  Apart from that, ktrace /
kdump is superior in every respect.

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no



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