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Date: Sun, 08 Sep 2002 15:49:59 -0700
To: cygwin AT cygwin DOT com
From: Randall R Schulz <rrschulz AT cris DOT com>
Subject: Re: problem with bash and interactive mode
In-Reply-To: <LPEHIHGCJOAIPFLADJAHOECCCMAA.chris@atomice.net>
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Chris,

Why not use fork() / exec()? That's the POSIX / Unix / Linux / etc. way to 
programmatically initiate a sub-process.

Randall Schulz
Mountain View, CA USA


At 15:11 2002-09-08, you wrote:
>I am trying to write a 'su' utility for Cygwin. When I launch bash from my
>su command, it defaults to non-interactive mode (as if it's reading from a
>script). I have to explicitly add the -i option to force it into interactive
>mode. However if  I type 'bash' normally from the command line it runs
>interactively.
>According to the bash manpage, the criteria for determining whether to run
>interactively or not is down to the return value of isatty. I am starting
>the process using CreateProcess. I presume this is the same way that, for
>example, cmd.exe starts processes. However when I run bash from cmd.exe, it
>starts in interactive mode.
>Any help or pointers would be appreciated, thanks!
>
>Chris


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