Mailing-List: contact cygwin-help@sourceware.cygnus.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@sources.redhat.com Delivered-To: mailing list cygwin@sources.redhat.com Date: Wed, 3 Jan 2001 13:47:16 -0500 From: Christopher Faylor To: "'cygwin@cygwin.com'" Subject: Re: Error in sem_init (cygwin-1.1.7-1) Message-ID: <20010103134716.A14686@redhat.com> Reply-To: cygwin@cygwin.com Mail-Followup-To: "'cygwin@cygwin.com'" References: <01C075A3.37A23430.trn@terma.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.11i In-Reply-To: <01C075A3.37A23430.trn@terma.com>; from trn@terma.com on Wed, Jan 03, 2001 at 04:37:01PM +0100 I've checked in this change. Thanks. cgf On Wed, Jan 03, 2001 at 04:37:01PM +0100, Torben Nielsen wrote: >Hi! >The following code sequence fails (does not wait): > > sem_t sem; > sem_init(&sem, 0, 0); > sem_wait(&sem); > >I believe the reason is found in ./winsup/cygwin/thread.cc line 437 (20001228 snapshot): > > item->win32_obj_id = ::CreateSemaphore (&sec_none_nih, _v, _v, NULL); > >The third parameter is the maximum count for the semaphore, and it is not allowed to be zero or less >according to Microsofts documentation. If I replace this line with > > item->win32_obj_id = ::CreateSemaphore (&sec_none_nih, _v, LONG_MAX, NULL); > >the above example works just fine. If possible, I would like a comment on this. > >Regards, Torben Nielsen -- Want to unsubscribe from this list? Check out: http://cygwin.com/ml/#unsubscribe-simple