From owner-svn-src-user@FreeBSD.ORG Wed Oct 16 09:03:38 2013 Return-Path: Delivered-To: svn-src-user@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id E25737C5; Wed, 16 Oct 2013 09:03:38 +0000 (UTC) (envelope-from glebius@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id B63272CAE; Wed, 16 Oct 2013 09:03:38 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id r9G93cRj093612; Wed, 16 Oct 2013 09:03:38 GMT (envelope-from glebius@svn.freebsd.org) Received: (from glebius@localhost) by svn.freebsd.org (8.14.7/8.14.5/Submit) id r9G93cE2093609; Wed, 16 Oct 2013 09:03:38 GMT (envelope-from glebius@svn.freebsd.org) Message-Id: <201310160903.r9G93cE2093609@svn.freebsd.org> From: Gleb Smirnoff Date: Wed, 16 Oct 2013 09:03:38 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r256601 - in user/glebius/course/04.synchronisation/code: . call module X-SVN-Group: user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "SVN commit messages for the experimental " user" src tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Oct 2013 09:03:39 -0000 Author: glebius Date: Wed Oct 16 09:03:37 2013 New Revision: 256601 URL: http://svnweb.freebsd.org/changeset/base/256601 Log: Minor nits and a script to demonstrate race. Added: user/glebius/course/04.synchronisation/code/stress.sh (contents, props changed) Modified: user/glebius/course/04.synchronisation/code/call/call.c user/glebius/course/04.synchronisation/code/module/Makefile Modified: user/glebius/course/04.synchronisation/code/call/call.c ============================================================================== --- user/glebius/course/04.synchronisation/code/call/call.c Wed Oct 16 09:02:11 2013 (r256600) +++ user/glebius/course/04.synchronisation/code/call/call.c Wed Oct 16 09:03:37 2013 (r256601) @@ -25,14 +25,14 @@ main(int argc, char **argv) syscall_num = stat.data.intval; if (argc < 2) - err(1, "argument required"); + errx(1, "argument required"); if (strcmp(argv[1], "add") == 0) what = ADD; else if (strcmp(argv[1], "delete") == 0) what = DELETE; else - err(1, "add or delete"); + errx(1, "add or delete"); return syscall(syscall_num, what, argv); } Modified: user/glebius/course/04.synchronisation/code/module/Makefile ============================================================================== --- user/glebius/course/04.synchronisation/code/module/Makefile Wed Oct 16 09:02:11 2013 (r256600) +++ user/glebius/course/04.synchronisation/code/module/Makefile Wed Oct 16 09:03:37 2013 (r256601) @@ -1,4 +1,5 @@ KMOD= syscall SRCS= syscall.c +DEBUG_FLAGS=-g .include Added: user/glebius/course/04.synchronisation/code/stress.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/glebius/course/04.synchronisation/code/stress.sh Wed Oct 16 09:03:37 2013 (r256601) @@ -0,0 +1,6 @@ +#!/bin/sh + +while (true); do ./call/call add; done & +while (true); do ./call/call add; done & +while (true); do ./call/call delete; done & +while (true); do ./call/call delete; done &