Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm 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 Date: Thu, 28 Oct 2004 12:24:24 -0400 (EDT) From: Igor Pechtchanski Reply-To: cygwin@cygwin.com To: jdeifik cc: cygwin@cygwin.com Subject: Re: Problem with pthead.h - child's thread ending, causes main program to exit In-Reply-To: <6.1.2.0.0.20041028090536.01e9c470@localhost> Message-ID: References: <6.1.2.0.0.20041027164547.01cffec0@localhost> <6.1.2.0.0.20041028090536.01e9c470@localhost> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; X-AVG-CHECKED=avg-ok-55024AC5; CHARSET=US-ASCII; FORMAT=flowed Content-ID: X-Scanned-By: MIMEDefang 2.39 On Thu, 28 Oct 2004, jdeifik wrote: > > On Wed, 27 Oct 2004, jdeifik wrote: > > > > > When I run the program with gdb, I get really weird segmentation > > > faults, for example: > > > > http://www.cygwin.com/ml/cygwin/2004-10/msg01033.html Does anyone know gdb macros well enough to say off-hand whether it's possible to write a function to ignore those particular SEGVs? > > > Program received signal SIGSEGV, Segmentation fault. > > > [Switching to thread 3280.0xcdc] > > > 0x610b479d in random () from /usr/bin/cygwin1.dll > > [snip] > > > The details of the backtrace vary a bit, but always start off in > > > random in cygwin1.dll > > > > You can not trust the back trace from a stripped cygwin1.dll. You must > > compile your own with debugging symbols if you want to see a valid trace > > into it. (Hint: random is NOT where your problem is) > > Ok, then perhaps a non-stripped cygwin1.dll should be supplied by default > so gdb can see what is happening. There was a discussion a while ago about providing debugging symbols for various versions of cygwin1.dll (both the releases and the snapshots). Did it ever come to any conclusion? Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_ pechtcha@cs.nyu.edu ZZZzz /,`.-'`' -. ;-;;,_ igor@watson.ibm.com |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! "The Sun will pass between the Earth and the Moon tonight for a total Lunar eclipse..." -- WCBS Radio Newsbrief, Oct 27 2004, 12:01 pm EDT -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/