From owner-freebsd-threads@FreeBSD.ORG Mon Oct 8 19:01:47 2007 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 73A1A16A41A for ; Mon, 8 Oct 2007 19:01:47 +0000 (UTC) (envelope-from deischen@freebsd.org) Received: from mail.netplex.net (mail.netplex.net [204.213.176.10]) by mx1.freebsd.org (Postfix) with ESMTP id 3884F13C481 for ; Mon, 8 Oct 2007 19:01:47 +0000 (UTC) (envelope-from deischen@freebsd.org) Received: from sea.ntplx.net (sea.ntplx.net [204.213.176.11]) by mail.netplex.net (8.14.1/8.14.1/NETPLEX) with ESMTP id l98J1itb006554; Mon, 8 Oct 2007 15:01:45 -0400 (EDT) X-Virus-Scanned: by AMaViS and Clam AntiVirus (mail.netplex.net) X-Greylist: Message whitelisted by DRAC access database, not delayed by milter-greylist-3.0 (mail.netplex.net [204.213.176.10]); Mon, 08 Oct 2007 15:01:45 -0400 (EDT) Date: Mon, 8 Oct 2007 15:01:44 -0400 (EDT) From: Daniel Eischen X-X-Sender: eischen@sea.ntplx.net To: Girish Hilage In-Reply-To: <1191824849.2054.5.camel@ps2408.persistent.co.in> Message-ID: References: <1191824849.2054.5.camel@ps2408.persistent.co.in> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-threads@freebsd.org Subject: Re: Co-opting signals X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Daniel Eischen List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Oct 2007 19:01:47 -0000 On Mon, 8 Oct 2007, Girish Hilage wrote: > Hi, > > I heard that, user level pthreads co-opt some signals to get their > job done. > Can anybody please let me know which are these signals? Not true since 4.x since only libc_r did this. Since FreeBSD 5.x, the default thread libraries (libpthread/libkse, and libthr) do not use signals for their implementation. Under 5.x and subsequent, just compile and link your program normally (use -pthread or -lpthread when linking) and you will get the default thread library (not libc_r, which has been deprecated in 7.x/current). -- DE