From owner-freebsd-hackers@freebsd.org Tue Oct 2 02:26:38 2018 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B007B10B188E for ; Tue, 2 Oct 2018 02:26:38 +0000 (UTC) (envelope-from munro@penski.net) Received: from mail-ed1-x534.google.com (mail-ed1-x534.google.com [IPv6:2a00:1450:4864:20::534]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3268276BC2 for ; Tue, 2 Oct 2018 02:26:38 +0000 (UTC) (envelope-from munro@penski.net) Received: by mail-ed1-x534.google.com with SMTP id n2-v6so658640edo.9 for ; Mon, 01 Oct 2018 19:26:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ip9-org.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=n/m9cj5H1bdZEI0DM+HzYIdm1ebbG2NUJq6rKlQeUmE=; b=GKYQGy5g+mGVycGFSHHyFdSs7hsye9aMpIAFpefT7PCWTgh5sev2lCqvgVzKrUAFkd x+qjAfm3T/fM2RNgHbU+11FMHrmKPZMI0fAPGfdMyST5NsXWiYWVkoLEjbvHl99+zRwk mOfnQMAz23EWZjnhgRVcujiks/GxgAtotMLOZGujH8AnvHceuPqww/b/qXErMdCUlVEu hI7OGU6ZdbC/GBvMIOZzNGKbcnlPHyl/F8xCK9UnA8L1VZ44kOjfhfnv2/48qwsj9uln pwg6r800jJoaTXyl+5XHWOaGfSwNPQudAOLFLQ093tuzbTFlMcJksFZro+1TUXqX8Ib4 B54w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=n/m9cj5H1bdZEI0DM+HzYIdm1ebbG2NUJq6rKlQeUmE=; b=h74kUFCTHevwLDjlLzpv0A9a6zBAskz2rKkulbcTL+3b8Mhofa3tki7NAZ5VJcUWW3 n2bKXRCYwlNYPMst7PJ1IEflqkRX2AKusvt8bck9wPKKAOD9muz/pcQI8iuySVJIGPFT esfA34ZA56IMHsTuKf/tDRzg1DS3a23pOvkw+YYTNV/RsX7cr+1s4nc6oussB3dnuoFZ Ek+3OvVO16/Q60JSPRicx5XpLsvsd59pAFIxtzyvmQ6Y6olu0KrBEhTtDdQAGSsyWuE9 PJZR5ssP8D7nUk2NgDRTLJTBa8b2b59RypAzx1OrEMlKGJR60FKPAvAU6YszVDZTrkRr FDkA== X-Gm-Message-State: ABuFfoglNn5mCKz5f+x/mp3D5EUqeYKCrWl2RTAHjWLtHMJsd5Pk97X1 cihN12hfpFziWkuUp74ofyGPaAwVvwqqygodRJ2y5wz6mQ8= X-Google-Smtp-Source: ACcGV61tW7p78lgQckdxUyA6oWXC3VDPVALMMqawhiJkqHojA5Xatna6H2Zcr5GD0yn0ueHo/CvKzsHfY1xrdgHUbWU= X-Received: by 2002:a50:9873:: with SMTP id h48-v6mr20770325edb.247.1538447197121; Mon, 01 Oct 2018 19:26:37 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Thomas Munro Date: Tue, 2 Oct 2018 15:26:25 +1300 Message-ID: Subject: Re: Regression when trying to replace poll() with kqueue() To: freebsd-hackers@freebsd.org Cc: mjg@freebsd.org, alc@freebsd.org, markj@freebsd.org, Konstantin Belousov Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Oct 2018 02:26:38 -0000 On Tue, 2 Oct 2018 at 15:24, Thomas Munro wrote: > ... The most > common usage pattern is simply waiting for read/write readiness on the > socket that is connected to the client + a pipe connected to the > parent supervisor process ("postmaster"), ... + a self pipe.