X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-0.4 required=5.0 tests=AWL,BAYES_00,DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED,RCVD_NUMERIC_HELO,RP_MATCHES_RCVD,SPF_HELO_PASS,TW_SV,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: sourceware.org To: cygwin@cygwin.com From: jojelino Subject: please fix heap_init Date: Mon, 18 Jul 2011 05:20:30 +0900 Lines: 30 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit User-Agent: Mozilla/5.0 (Windows NT 5.2; rv:7.0a2) Gecko/20110716 Thunderbird/7.0a2 X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com 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. please fix this problem Regards -- 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