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Re: return value by do_fork()!!

To: Ketan Mukadam <ketan@iitk.ac.in>
Subject: Re: return value by do_fork()!!
From: Chris Wright <chris@wirex.com>
Date: Wed, 2 Jan 2002 18:22:07 -0800
Cc: kernelnewbies@nl.linux.org
In-Reply-To: <Pine.HPX.4.10.10112291730010.10610-100000@bhaskar.cc.iitk.ac.in>; from ketan@iitk.ac.in on Sat, Dec 29, 2001 at 05:38:25PM +0530
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* Ketan Mukadam (ketan@iitk.ac.in) wrote:
> 
> But how does child gets a return value of zero?

see copy_thread().  i386, for example, does 'childregs->eax = 0;' where
eax is the register that contains the return value when returning to
userspace.

-chris
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