Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Message-ID: <63340-220021221016341397@M2W082.mail2web.com> X-Priority: 3 Reply-To: lhall AT rfk DOT com X-Originating-IP: 209.113.174.244 From: "lhall AT pop DOT ma DOT ultranet DOT com" To: oreste DOT bernardi AT st DOT com, cygwin AT cygwin DOT com Subject: RE: SIGSEGV when called sem_init() with gdb. Date: Tue, 10 Dec 2002 11:03:41 -0500 MIME-Version: 1.0 Content-type: text/plain; charset=iso-8859-1 X-OriginalArrivalTime: 10 Dec 2002 16:03:41.0474 (UTC) FILETIME=[B55D8020:01C2A065] Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id gBAG40B22766 Rerun setup and update your gdb. If that doesn't help, let the list know. Larry Original Message: ----------------- From: Oreste Bernardi oreste DOT bernardi AT st DOT com Date: Tue, 10 Dec 2002 16:01:16 +0100 To: cygwin AT cygwin DOT com Subject: SIGSEGV when called sem_init() with gdb. Dear, all #include int main () { int p; sem_t sem; int i=0,d; //sem=(sem_t)NULL; //With this There isn't any problem sem_init (&sem,0,1); sem_post (&sem); sem_wait(&sem); return i; } cygwin 1.3.17-1 gcc 3.2-3 gdb 20010428-3 When executing this source code with gdb I get an SIGSEGV signal when sem_init() function is called. If I continue on, program works fine. If program is not executed from gdb, it works without any error. If I initialize it with NULL, I don't get any error. I think that is the same behavior as described by following mail: http://sources.redhat.com/ml/cygwin/2002-10/msg00956.html Is this true ? To avoid annoying gdb error message, is my solution ("sem=(sem_t)NULL") reliable and portable ? Best Regards Oreste Bernardi -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/ -------------------------------------------------------------------- mail2web - Check your email from the web at http://mail2web.com/ . -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/