From owner-svn-src-all@FreeBSD.ORG Mon Jun 4 23:07:49 2012 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D7F511065674 for ; Mon, 4 Jun 2012 23:07:49 +0000 (UTC) (envelope-from andy@fud.org.nz) Received: from mail-pz0-f54.google.com (mail-pz0-f54.google.com [209.85.210.54]) by mx1.freebsd.org (Postfix) with ESMTP id A6C708FC0C for ; Mon, 4 Jun 2012 23:07:49 +0000 (UTC) Received: by dadv36 with SMTP id v36so6832529dad.13 for ; Mon, 04 Jun 2012 16:07:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding:x-gm-message-state; bh=81xmapn/XKJPtuwcx3gAfP5Q3AWV9MHYRaitCBTlr4c=; b=UCvOiuIzNtg8j7pk8VlqKbo1ox+2ZMmM0uatfauewxW7MLB/ll5mB71vMZd05qRDv9 1ttsiooWUVcG+vBpwn8DI4cXSqTZ6VE9Ft1Oo0uv0mS9B3znXNFVTjhEmWgEW7WxpKw2 Kx2VCsfFT3yBSjt78oexpjaA08ltetw4Yf/Sd7SDBaK+OFM6W06aY8agI6Q0yCeJAokl ekY1e2I4u3ZRQdq7p0diSxVICfaS1ZZ/h4IfTBxJb1jsa6d4hgPX7I3DfEw2BxN66ac2 YhSqLKzlLlhwC6ZnnZ+mWadD/fLeqM923FmodtBzSPvv+LsW/rsRTTQiexKDNUVeB4bH 5F8A== MIME-Version: 1.0 Received: by 10.68.201.73 with SMTP id jy9mr43445060pbc.19.1338851268537; Mon, 04 Jun 2012 16:07:48 -0700 (PDT) Sender: andy@fud.org.nz Received: by 10.68.73.161 with HTTP; Mon, 4 Jun 2012 16:07:48 -0700 (PDT) In-Reply-To: <201206042259.q54Mx7Ok073084@svn.freebsd.org> References: <201206042259.q54Mx7Ok073084@svn.freebsd.org> Date: Tue, 5 Jun 2012 11:07:48 +1200 X-Google-Sender-Auth: phKuPW4R9GZNU73Vaw-JgkAo5tg Message-ID: From: Andrew Thompson To: "David E. O'Brien" Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Gm-Message-State: ALoCoQmbqfD+K+t6l37EbuiId2lXXdzEAh2aKsn404L18k+e5PGMTMCzaQD0kG6sdtNHyyLNfq4Q Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r236593 - head/share/man/man4 X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Jun 2012 23:07:49 -0000 On 5 June 2012 10:59, David E. O'Brien wrote: > Author: obrien > Date: Mon Jun =A04 22:59:06 2012 > New Revision: 236593 > URL: http://svn.freebsd.org/changeset/base/236593 > > Log: > =A0Add a man page for filemon(4) [r236592]. > +static void > +open_filemon(void) > +{ > + > + =A0 =A0 =A0 if ((child =3D fork()) =3D=3D 0) { > + =A0 =A0 =A0 =A0 =A0 =A0 =A0 /* Do something here. */ > + =A0 =A0 =A0 =A0 =A0 =A0 =A0 return 0; > + =A0 =A0 =A0 } else { > + =A0 =A0 =A0 =A0 =A0 =A0 =A0 if (ioctl(fm_fd, FILEMON_SET_PID, &child) <= 0) > + =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 err(1, "Cannot set filemon = PID"); > + =A0 =A0 =A0 =A0 =A0 =A0 =A0 wait(&child); > + =A0 =A0 =A0 =A0 =A0 =A0 =A0 close(fm_fd); > + =A0 =A0 =A0 } > + =A0 =A0 =A0 return 0; Does the race have to be managed between the parent SET_PID ioctl and the child doing something? Andrew