X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:reply-to:message-id:to:subject :in-reply-to:references:mime-version:content-type :content-transfer-encoding; q=dns; s=default; b=fHFqNJPGNJDUs9Ok mc8jKJRSK9Ik04CWGvvs4yF7HcSSBKOKHKztJ2uITH/WbIYrDn6FxxyH6AtI8Kty 33ZqaDtcWlJZcuk2l+2fV/Uo0svGS7M1+SkUaFOPyx6bz/LX+qv+OkhP+LawxSeO zqjENB6b3y6HjWSyI0ZAlRofNTY= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:reply-to:message-id:to:subject :in-reply-to:references:mime-version:content-type :content-transfer-encoding; s=default; bh=I63mVtOXvQ8hgWsO86YW2i d7low=; b=IGq4UnOwFztLJ01ShvPK9ND5cVnBusgbz6hhX5XjKj4rUvEYhjcQu0 zlWgRUuRA4LdxIlVdjLqtn1fLY5gV5xvbGvT/DMbSJsxrjrBCMduAq00kP4tNg7n JFYpUyLi1BqTvJHlUB0mCeKS00ra3LNWaCtlwtL/hQXHBvVj5Sc9U= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=2.3 required=5.0 tests=BAYES_00,FREEMAIL_FROM,KAM_THEBAT,RCVD_IN_DNSWL_LOW,RCVD_IN_JMF_BL,SPF_PASS autolearn=no version=3.3.1 spammy=HX-Priority:Normal, szpkti, Szpkti, H*M:yandex X-HELO: forward106j.mail.yandex.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1564224602; bh=Y+fxdhWmTKvg5rt/ONtic6X8MZgLo2yDOfk+YSAdKPY=; h=In-Reply-To:Subject:To:Reply-To:From:Message-ID:References:Date; b=v5rJJzfi72ztSQmdqDuU/OFO0cVcBzOIwh+RNC0bXgO3oq5exaqpyfrd3Oe7Mkjhx hT6f7CFnDU4An7q7CNxZIMu/3dhEO/HZzNp6mWuu69yEBRF08LFp5g/W4/Rfls+qFx r52uh9zEeUjUP1QviQpyzLNjYakNMcrJ4f+YCjW8= Authentication-Results: mxback23g.mail.yandex.net; dkim=pass header.i=@yandex.ru Date: Sat, 27 Jul 2019 13:35:50 +0300 From: Andrey Repin Reply-To: cygwin AT cygwin DOT com Message-ID: <1046206604.20190727133550@yandex.ru> To: =?utf-8?Q?Bence_Sz=C3=A9pk=C3=BAti?= , cygwin AT cygwin DOT com Subject: Re: vfork() question In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 X-IsSubscribed: yes Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by delorie.com id x6RAof4F001810 Greetings, Bence Szépkúti! > Hello, > I was poking around in the fork() code in Cygwin, and was wondering if > someone could explain to me / point me to a discussion of why the NEWVFORK > code was abandoned. > I realise that this code had been disabled as "not working" since 2008, > however I am interested in why this was the case. Was the concept behind > "short-circuiting" vfork itself unfeasible in the context of Cygwin? Was a > compatible implementation too complex / too slow to be worth it compared to > a regular fork? > Any insight is appreciated. I could be wrong, but it may be due to a more reliable ways to implement forking that became available in Win7+. -- With best regards, Andrey Repin Saturday, July 27, 2019 13:34:49 Sorry for my terrible english... -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple