X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org To: cygwin@cygwin.com From: Thomas Maier-Komor Subject: Re: SIGPOLL and named pipes Date: Sun, 24 Aug 2008 19:29:59 +0200 Lines: 25 Message-ID: References: <20080824151428.GA20492@ednor.casa.cgf.cx> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit User-Agent: Thunderbird 2.0.0.14 (X11/20080505) In-Reply-To: <20080824151428.GA20492@ednor.casa.cgf.cx> X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: 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 Christopher Faylor wrote: > On Sun, Aug 24, 2008 at 01:47:56PM +0200, Thomas Maier-Komor wrote: >> I don't get SIGPOLL on Cygwin in a software that runs fine on Linux and >> Solaris. Is there a known issue concerning SIGPOLL and named pipes. > > SIGPOLL (aka SIGIO) is not implemented in Cygwin. > >> Additionally, there seem to be a bug in Cygwin concerning the >> concatenation of data written to a named pipe. If I open the named >> pipe a second time with O_WRONLY, to make sure that there is always one >> valid open input to the named pipe, the data written to the pipe from >> different processes doesn't get concatenated and I have to close and >> reopen the named pipe. This is in contrast to the behavior in Linux >> and Solaris, and POSIX semantics. > > Named pipes in Cygwin 1.5.25 are only partially implemented. They > should work better in 1.7.x. > > cgf > OK, thanks for the information. Do you know when 1.7 is planned to be released? - Thomas -- 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/