From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#56025: 29.0.50; em-extpipe-test-2 times out on EMBA and Cygwin Date: Sat, 25 Jun 2022 08:34:33 +0300 Message-ID: <83y1xlb91y.fsf@gnu.org> References: <8e21db9c-0100-998e-f280-81304e7ff61a@cornell.edu> <87mtecl82o.fsf@athena.silentflame.com> <40d9e52f-2041-b341-ff77-546ca7792791@cornell.edu> <87k09elrf8.fsf@athena.silentflame.com> <1de33903-4c55-e043-3754-726f7044f2d0@cornell.edu> <7e7daa2f-dbbc-cd0a-4958-2a2932b17837@gmail.com> <8974408d-91cd-aebd-7a5b-596a57bd640e@cornell.edu> <17d41105-b006-f9ad-af0b-ece84a7f5248@gmail.com> <040b3a36-459b-a94d-f879-7f45aac50bda@cornell.edu> <83sfnud26o.fsf@gnu.org> <96e47ba7-efaa-b6df-dd98-60f09068e68c@gmail.com> <874k097lbh.fsf@melete.silentflame.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4694"; mail-complaints-to="usenet@ciao.gmane.io" Cc: larsi@gnus.org, 56025@debbugs.gnu.org, spwhitton@email.arizona.edu, kbrown@cornell.edu To: Jim Porter Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Jun 25 07:35:52 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1o4ySW-00014z-3p for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [87.69.77.57] (port=2683 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o4yRL-0003yn-4y; Sat, 25 Jun 2022 01:34:39 -0400 In-Reply-To: (message from Jim Porter on Fri, 24 Jun 2022 16:03:13 -0700) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:235231 Archived-At: > Cc: larsi@gnus.org, 56025@debbugs.gnu.org > From: Jim Porter > Date: Fri, 24 Jun 2022 16:03:13 -0700 > > POSIX standard says[1] (thanks to Eliot Moss on the Cygwin mailing list > for citing this passage): > > When [EOF is] received, all the bytes waiting to be read are > immediately passed to the process without waiting for a , and > the EOF is discarded. Thus, if there are no bytes waiting (that is, > the EOF occurred at the beginning of a line), a byte count of zero > shall be returned from the read(), representing an end-of-file > indication. Perhaps some reference to this should also be in the comments.