X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org Date: Mon, 22 Dec 2008 14:13:36 -0500 From: Christopher Faylor To: cygwin@cygwin.com Subject: Re: Named pipes (blocking problem) Message-ID: <20081222191336.GC23447@ednor.casa.cgf.cx> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <005b01c96455$6c6bed60$4001a8c0@mycomputer> <2ca21dcc0812220903k38b8923v892f508b2ec55620@mail.gmail.com> <20081222172855.GB27364@ednor.casa.cgf.cx> <002001c96462$6a46d790$4001a8c0@mycomputer> <20081222184129.GA23447@ednor.casa.cgf.cx> <007d01c96468$2fb2e780$4001a8c0@mycomputer> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <007d01c96468$2fb2e780$4001a8c0@mycomputer> User-Agent: Mutt/1.5.16 (2007-06-09) 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 Note-from-DJ: This may be spam On Mon, Dec 22, 2008 at 07:04:59PM -0000, John Emmas wrote: > ----- Original Message ----- From: "Christopher Faylor" > Sent: 22 December 2008 18:41 > Subject: Re: Named pipes (blocking problem) Why are you duplicating the subject in the body of the message? >>Cygwin tries to emulate linux/POSIX. CreateNamedPipe is not a >>linux/POSIX function. Cygwin does not implement Windows functions. >>So, no, Cygwin does not implement its own versions of CreateNamedPipe >>or ReadFile. >> >>As I suggested, if you want to build a pure Windows program, you >>shouldn't be using Cygwin. Use MinGW instead - http://mingw.org/ . >> >Thanks for the clarification. As it happens, the program is jackdmp >for which (I believe) MinGW binaries are available. However, in this >case, my client apps would be Cygwin programs. They can't really be full Cygwin programs if they are using ReadFile and CreateNamedPipe. If you mix Cygwin I/O with Windows I/O there is always the potential for problems. >Can Cygwin's compiler successfully cross-link to MinGW binaries (libs)? >I've never tried although I've occasionally tried to cross-link a >Cygwin executable to a lib compiled using Visual C++. The results have >tended to be very hit-and-miss. The link seemed to work okay but the >resulting app would often misbehave (e.g. at run time, Windows might >complain that the procedure entry point for one or more functions >couldn't be found). http://cygwin.com/faq/faq-nochunks.html#faq.programming.msvcrt-and-cygwin If you are not doing "stdio" type I/O then you may be able to intermix objects. No guarantees. cgf -- 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/