From owner-freebsd-toolchain@FreeBSD.ORG Fri Jan 11 20:52:10 2013 Return-Path: Delivered-To: toolchain@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id AADB47DA; Fri, 11 Jan 2013 20:52:10 +0000 (UTC) (envelope-from lev@serebryakov.spb.ru) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [46.4.40.135]) by mx1.freebsd.org (Postfix) with ESMTP id 59DBBFE; Fri, 11 Jan 2013 20:52:10 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:a15f:ca89:8194:fe2e]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPA id 5D8A64AC2D; Sat, 12 Jan 2013 00:52:02 +0400 (MSK) Date: Sat, 12 Jan 2013 00:51:56 +0400 From: Lev Serebryakov X-Priority: 3 (Normal) Message-ID: <1533659601.20130112005156@serebryakov.spb.ru> To: Konstantin Belousov Subject: Re: Fast sigblock (AKA rtld speedup) In-Reply-To: <20130111095459.GZ2561@kib.kiev.ua> References: <20130107182235.GA65279@kib.kiev.ua> <20130111095459.GZ2561@kib.kiev.ua> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Cc: arch@freebsd.org, toolchain@freebsd.org X-BeenThere: freebsd-toolchain@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Maintenance of FreeBSD's integrated toolchain List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Jan 2013 20:52:10 -0000 Hello, Konstantin. You wrote 11 =D1=8F=D0=BD=D0=B2=D0=B0=D1=80=D1=8F 2013 =D0=B3., 13:54:59: KB> http://people.freebsd.org/~kib/misc/rtld-sigblock.2.patch KB> is the commit candidate. Now kernel informs rtld about supprt for Is it first patch in this state, which implements idea of shared memory between kernel and userland to spped up some syscalls? There were discussions about this approach for speedup of getpid()/getppid()/gettimeofday(), but without code ready for commit, am I right? --=20 // Black Lion AKA Lev Serebryakov