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 Message-ID: From: Bas van Gompel Subject: Re: win95 pipe problems -- report + testcase + patch References: <200409050451.i854pPi21887@esds.vss.fsi.com> <20040908100657.GC20537@cygbert.vinschen.de> Reply-To: cygwin mailing-list Organisation: Ehm... To: cygwin@cygwin.com Lines: 43 Date: Thu, 9 Sep 2004 03:00:53 +0200 (MET DST) X-IsSubscribed: yes Op Wed, 8 Sep 2004 12:06:57 +0200 schreef Corinna Vinschen in <20040908100657.GC20537@cygbert.vinschen.de>: : On Sep 8 01:55, Bas van Gompel wrote: : > This fix trips on a bug in (my) windows 95 (OSR2): : > It's CreateNamedPipe returns 0 instead of -1 (INVALID_HANDLE_VALUE), : > causing all operations on pipes to fail. : > [...] : > A patch to work around this in cygwin could be: (WFM) [pipe-w95.diff] : > I hope this patch is small enough to qualify as `trivial', as I : : It is. I'm just wondering if it is really necessary to assume, that : CreateNamedPipe will ever return NULL as a vaild handle. I'd assume The fact that INVALID_HANDLE_VALUE != NULL, made me think NULL might be a valid handle value elsewhere. I was just trying to be thorough. I don't think the difference will severely hurt performance or size... : that the following patch is sufficient: [...] Possibly. However MS might also make NULL be an alias to NUL in the future, or just treat NULL like any other handle. : > haven't received any reply to my legal query (yet). (Did the reply : > get blocked from the list?) : : No, there was no reply so far, unfortunately. I'm sorry. I'll try to : nudge our legal department again. I'll be waiting. (This will give me more time to test readdir_r, once I decide how to keep accesses separate.) L8r, Buzz. -- ) | | ---/ ---/ Yes, this | This message consists of true | I do not -- | | / / really is | and false bits entirely. | mail for ) | | / / a 72 by 4 +-------------------------------+ any1 but -- \--| /--- /--- .sigfile. | |perl -pe "s.u(z)\1.as." | me. 4^re -- 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/