From: Jesse Pollard <pollard@admin.navo.hpc.mil>
To: Andreas Schwab <schwab@suse.de>, Jakob Oestergaard <jakob@unthought.net>
Cc: Linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Changing argv[0] under Linux.
Date: Wed, 15 Jan 2003 15:36:31 -0600 [thread overview]
Message-ID: <200301151536.31653.pollard@admin.navo.hpc.mil> (raw)
In-Reply-To: <jeel7ehzon.fsf@sykes.suse.de>
On Wednesday 15 January 2003 03:26 pm, Andreas Schwab wrote:
> Jakob Oestergaard <jakob@unthought.net> writes:
> |> Can anyone point out a problem in the above? I'd be happy to see it shot
> |> down, mainly because it's ugly - and I hate programs that mess with
> |> argv[0].
>
> argv[0] is not required to point to the actual file name of the
> executable, and in fact, most of the time it won't.
And don't count on it for portability - Some systems take a copy of arg0 for
the process tables, and changing it will NOT alter the process name. It is
only the default action for shell programs. All others can make arg0 anything
they want - as login effectively does ..
execl ("pathtoshell", "-", 0)
--
-------------------------------------------------------------------------
Jesse I Pollard, II
Email: pollard@navo.hpc.mil
Any opinions expressed are solely my own.
next prev parent reply other threads:[~2003-01-15 21:31 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-14 18:59 Changing argv[0] under Linux DervishD
2003-01-14 19:10 ` Richard B. Johnson
2003-01-14 19:14 ` DervishD
2003-01-14 19:43 ` Richard B. Johnson
2003-01-14 19:50 ` DervishD
2003-01-14 19:56 ` Richard B. Johnson
2003-01-14 20:23 ` Mark Mielke
2003-01-14 20:28 ` Richard B. Johnson
2003-01-14 21:21 ` Mark Mielke
2003-01-15 14:00 ` Richard B. Johnson
2003-01-15 16:43 ` Richard B. Johnson
2003-01-15 16:57 ` DervishD
2003-01-14 22:00 ` DervishD
2003-01-21 14:16 ` Bill Davidsen
2003-01-21 15:33 ` DervishD
2003-01-14 20:25 ` Philippe Troin
2003-01-14 20:56 ` Richard B. Johnson
2003-01-14 22:04 ` DervishD
2003-01-14 23:04 ` Bob Miller
2003-01-14 23:11 ` Bob Miller
2003-01-15 4:46 ` Mark Mielke
2003-01-15 8:25 ` jw schultz
2003-01-15 11:41 ` DervishD
2003-01-15 13:16 ` Jakob Oestergaard
2003-01-15 16:22 ` DervishD
2003-01-15 16:47 ` Jakob Oestergaard
2003-01-15 17:10 ` DervishD
2003-01-15 17:36 ` Changing argv[0] under Linux. This MUST work DervishD
2003-01-15 21:26 ` Changing argv[0] under Linux Andreas Schwab
2003-01-15 21:36 ` Jesse Pollard [this message]
2003-01-15 22:03 ` DervishD
2003-01-16 9:19 ` Dorin Lazar
2003-01-15 11:35 ` DervishD
2003-01-14 21:55 ` Miquel van Smoorenburg
2003-01-14 22:04 ` Valdis.Kletnieks
2003-01-15 11:28 ` DervishD
2003-01-27 7:47 ` Anuradha Ratnaweera
[not found] <122203493@toto.iv>
2003-01-14 22:55 ` Peter Chubb
-- strict thread matches above, loose matches on Subject: below --
2003-01-16 10:12 Jon Burgess
2003-01-16 10:32 ` DervishD
2003-01-16 11:31 Jon Burgess
2003-01-16 12:58 ` DervishD
[not found] <20030116130013.GE1358@DervishD>
[not found] ` <200301161315.h0GDFLM27487@isengard.accucard.com>
2003-01-17 10:08 ` DervishD
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