X-Recipient:	archive-cygwin AT delorie DOT com
X-Spam-Check-By:	sourceware.org
Date:	Mon, 18 Jul 2011 09:11:59 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: please fix heap_init
Message-ID:	<20110718071159.GA31364@calimero.vinschen.de>
Reply-To:	cygwin AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
References:	<ivvg3l$ios$1 AT dough DOT gmane DOT org>
MIME-Version:	1.0
In-Reply-To:	<ivvg3l$ios$1@dough.gmane.org>
User-Agent:	Mutt/1.5.21 (2010-09-15)
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Unsubscribe:	<mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com

On Jul 18 05:20, jojelino wrote:
> this is following of 'infinite recursion in git-svn'
> #to reproduce this problem,
> #1. please use latest cvs trunk
> #2. set HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\heap_chunk_in_mb=0x400
> Starting program: /usr/bin/perl.exe /usr/lib/git-core/git-svn clone
> -rHEAD http://google-perftools.googlecode.com/svn/trunk/
> [New Thread 5352.0x9c4]
> warning: section .gnu_debuglink not found in
> /cygdrive/d/cygwin/bin/cygwin1.dbg
> 
> Breakpoint 1, heap_init () at /tmp/winsup/winsup/cygwin/heap.cc:81
> 81                    start_address = roundup2 (start_address +
> mbi.RegionSize,
> 2: largest_found_size = 0x35680000
> 1: start_address = 0x55690000
> (gdb) i b
> Num     Type           Disp Enb Address    What
> 1       breakpoint     keep y   0x61078875 in heap_init()
>                                            at
> /tmp/winsup/winsup/cygwin/heap.cc:81
>         breakpoint already hit 1 time
> (gdb)
> 
> start_address continues to grow, and in heap.cc:94 it is used as
> base address.
> which is not we wanted. and sbrk could fail if it used up MINHEAP_SIZE.

This is what we want.  Did you compare the behaviour of the code with
the comments in the code?  Can you please *explain* what is wrong with
the code?


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple

- Raw text -