From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sfi-mx-4.v28.ch3.sourceforge.com ([172.29.28.124] helo=mx.sourceforge.net) by 3yr0jf1.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1M9G7z-0002KY-Ug for ltp-list@lists.sourceforge.net; Wed, 27 May 2009 10:12:55 +0000 Received: from e7.ny.us.ibm.com ([32.97.182.137]) by 1b2kzd1.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69) id 1M9G7w-0007Gu-1Y for ltp-list@lists.sourceforge.net; Wed, 27 May 2009 10:12:55 +0000 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e7.ny.us.ibm.com (8.13.1/8.13.1) with ESMTP id n4RA1HEs009297 for ; Wed, 27 May 2009 06:01:17 -0400 Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v9.2) with ESMTP id n4RACpHk159822 for ; Wed, 27 May 2009 06:12:51 -0400 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n4RAAjt3012633 for ; Wed, 27 May 2009 06:10:45 -0400 From: Manas Kumar Nayak Date: Wed, 27 May 2009 15:42:32 +0530 Message-Id: <20090527101228.18638.22844.sendpatchset@subratamodak.linux.ibm.com> In-Reply-To: <20090527100645.18638.75163.sendpatchset@subratamodak.linux.ibm.com> References: <20090527100645.18638.75163.sendpatchset@subratamodak.linux.ibm.com> Subject: [LTP] [PATCH 12/13] Add/Port unshare01 test for unshare() syscall List-Id: Linux Test Project General Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-list-bounces@lists.sourceforge.net To: LTP List Cc: Manas Kumar Nayak Signed-off-by: Manas Kumar Nayak To: LTP List Cc: Subrata Modak Cc: Masatake YAMATO --- --- ltp-intermediate-20090521.orig/testcases/kernel/syscalls/unshare/Makefile 1970-01-01 05:30:00.000000000 +0530 +++ ltp-intermediate-20090521/testcases/kernel/syscalls/unshare/Makefile 2009-05-25 15:12:47.000000000 +0530 @@ -0,0 +1,31 @@ +# +# Copyright (c) International Business Machines Corp., 2009 +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See +# the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +CFLAGS += -I../../../../include -Wall +LDLIBS += -L../../../../lib -lltp + +SRCS = $(wildcard *.c) +TARGETS = $(patsubst %.c,%,$(SRCS)) + +all: $(TARGETS) + +install: + @set -e; for i in $(TARGETS); do ln -f $$i ../../../bin/$$i ; done + +clean: + rm -f $(TARGETS) --- ltp-intermediate-20090521.orig/testcases/kernel/syscalls/unshare/unshare01.c 1970-01-01 05:30:00.000000000 +0530 +++ ltp-intermediate-20090521/testcases/kernel/syscalls/unshare/unshare01.c 2009-05-27 14:43:04.000000000 +0530 @@ -0,0 +1,231 @@ +/********************************************************************************/ +/* Copyright (c) Crackerjack Project., 2007 */ +/* */ +/* This program is free software; you can redistribute it and/or modify */ +/* it under the terms of the GNU General Public License as published by */ +/* the Free Software Foundation; either version 2 of the License, or */ +/* (at your option) any later version. */ +/* */ +/* This program is distributed in the hope that it will be useful, */ +/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */ +/* the GNU General Public License for more details. */ +/* */ +/* You should have received a copy of the GNU General Public License */ +/* along with this program; if not, write to the Free Software */ +/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +/* */ +/****************************************************************************** */ +/****************************************************************************** */ +/* */ +/* File: unshare01.c */ +/* */ +/* Description: This tests the unshare() syscall. */ +/* unshare() allows a process to disassociate parts of its */ +/* execution context that are currently being shared with other */ +/* processes. Part of the execution context, such as the namespace */ +/* ,is shared implicitly when a new process is created using */ +/* fork(2) or vfork(2), while other parts, such as virtual memory */ +/* , may be shared by explicit request when creating a process */ +/* using clone(2). */ +/* */ +/* The main use of unshare() is to allow a process to control its */ +/* shared execution context without creating a new process. */ +/* */ +/* */ +/* The flags argument is a bit mask that specifies which parts of */ +/* the execution context should be unshared. This argument is */ +/* specified by ORing together zero or more of the following cons- */ +/* tants: */ +/* */ +/* CLONE_FILES: */ +/* Reverse the effect of the clone(2) CLONE_FILES flag. */ +/* Unshare the file descriptor table, so that the calling */ +/* process no longer shares its file descriptors with any */ +/* other process. */ +/* CLONE_FS: */ +/* Reverse the effect of the clone(2) CLONE_FS flag.Unshare*/ +/* file system attributes, so that the calling process no */ +/* longer shares its root directory, current directory, or */ +/* umask attributes with any other process. */ +/* CLONE_NEWNS: */ +/* This flag has the same effect as the clone(2) CLONE_NEWNS*/ +/* flag. Unshare the namespace, so that the calling process*/ +/* has a private copy of its namespacei which is not shared*/ +/* with any other process. Specifying this flag automat- */ +/* ically implies CLONE_FS as well. */ +/* */ +/* If flags is specified as zero, then unshare() is a no-op; no */ +/* changes are made to the calling process's execution context. */ +/* */ +/* Usage: */ +/* unshare01 [-c n] [-e][-i n] [-I x] [-p x] [-t] */ +/* where, -c n : Run n copies concurrently. */ +/* -e : Turn on errno logging. */ +/* -i n : Execute test n times. */ +/* -I x : Execute test for x seconds. */ +/* -P x : Pause for x seconds between iterations. */ +/* -t : Turn on syscall timing. */ +/* */ +/* Total Tests: 1 */ +/* */ +/* Test Name: unshare01 */ +/* History: Porting from Crackerjack to LTP is done by */ +/* Manas Kumar Nayak maknayak@in.ibm.com> */ +/********************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* Harness Specific Include Files. */ +#include "test.h" +#include "usctest.h" +#include "linux_syscall_numbers.h" + +/* Extern Global Variables */ +extern int Tst_count; /* counter for tst_xxx routines. */ +extern char *TESTDIR; /* temporary dir created by tst_tmpdir() */ + +/* Global Variables */ +char *TCID = "unshare01"; /* Test program identifier.*/ +int testno; +int TST_TOTAL =1; /* total number of tests in this file. */ + +/* Extern Global Functions */ +/******************************************************************************/ +/* */ +/* Function: cleanup */ +/* */ +/* Description: Performs all one time clean up for this test on successful */ +/* completion, premature exit or failure. Closes all temporary */ +/* files, removes all temporary directories exits the test with */ +/* appropriate TEST_RETURNurn code by calling tst_exit() function. */ +/* */ +/* Input: None. */ +/* */ +/* Output: None. */ +/* */ +/* Return: On failure - Exits calling tst_exit(). Non '0' TEST_RETURNurn code. */ +/* On success - Exits calling tst_exit(). With '0' TEST_RETURNurn code. */ +/* */ +/******************************************************************************/ +extern void cleanup() { + /* Remove tmp dir and all files in it */ + TEST_CLEANUP; + tst_rmdir(); + + /* Exit with appropriate TEST_RETURNurn code. */ + tst_exit(); +} + +/* Local Functions */ +/******************************************************************************/ +/* */ +/* Function: setup */ +/* */ +/* Description: Performs all one time setup for this test. This function is */ +/* typically used to capture signals, create temporary dirs */ +/* and temporary files that may be used in the course of this */ +/* test. */ +/* */ +/* Input: None. */ +/* */ +/* Output: None. */ +/* */ +/* Return: On failure - Exits by calling cleanup(). */ +/* On success - TEST_RETURNurns 0. */ +/* */ +/******************************************************************************/ +void setup() { + /* Capture signals if any */ + /* Create temporary directories */ + TEST_PAUSE; + tst_tmpdir(); +} + +int main(int ac, char **av) { + pid_t pid1; + int lc; /* loop counter */ + char *msg; /* message TEST_RETURNurned from parse_opts */ + + /* parse standard options */ + if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL){ + tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg); + tst_exit(); + } + + setup(); + + /* Check looping state if -i option given */ + for (lc = 0; TEST_LOOPING(lc); ++lc) { + Tst_count = 0; + for (testno = 0; testno < TST_TOTAL; ++testno) { + + /* + *fork a child process;testing which one is a child or a parent; + * */ + TEST(pid1=fork()); //call to fork() + if (TEST_RETURN == -1){ + tst_resm(TFAIL, "fork() Failed, errno=%d : %s",TEST_ERRNO, strerror(TEST_ERRNO)); + cleanup(); + tst_exit(); + }else if (TEST_RETURN == 0){ + if((TEST_RETURN = unshare(CLONE_FILES)) == 0) { + tst_resm(TPASS, "unshare with CLONE_FILES call succeeded"); + tst_exit(); + }else if (TEST_RETURN == -1 ) + tst_resm(TFAIL,"unshare Failed, errno=%d : %s",TEST_ERRNO, strerror(TEST_ERRNO)); + tst_exit(); + }else{ + } + + TEST(pid1=fork()); //call to fork() + if (TEST_RETURN == -1){ + tst_resm(TFAIL, "fork() Failed, errno=%d : %s",TEST_ERRNO, strerror(TEST_ERRNO)); + cleanup(); + tst_exit(); + }else if (TEST_RETURN == 0){ + if((TEST_RETURN = unshare(CLONE_FS)) == 0) { + tst_resm(TPASS, "unshare with CLONE_FS call succeeded"); + tst_exit(); + }else if (TEST_RETURN == -1 ) + tst_resm(TFAIL,"unshare Failed 2, errno=%d : %s",TEST_ERRNO, strerror(TEST_ERRNO)); + tst_exit(); + }else{ + } + + TEST(pid1=fork()); //call to fork() + if (TEST_RETURN == -1){ + tst_resm(TFAIL, "fork() Failed, errno=%d : %s",TEST_ERRNO, strerror(TEST_ERRNO)); + cleanup(); + tst_exit(); + }else if (TEST_RETURN == 0){ + if((TEST_RETURN = unshare(CLONE_NEWNS)) == 0) { + tst_resm(TPASS, "unshare call with CLONE_NEWNS succeeded"); + tst_exit(); + }else if (TEST_RETURN == -1 ) + tst_resm(TFAIL,"unshare Failed 2, errno=%d : %s",TEST_ERRNO, strerror(TEST_ERRNO)); + tst_exit(); + }else{ + } + + + } + + } + cleanup(); + tst_exit(); +} + --- ltp-intermediate-20090521.orig/runtest/syscalls 2009-05-27 14:45:49.000000000 +0530 +++ ltp-intermediate-20090521/runtest/syscalls 2009-05-27 14:45:21.000000000 +0530 @@ -1207,6 +1207,8 @@ unlink08 unlink08 #unlinkat test cases unlinkat01 unlinkat01 +unshare01 unshare01 + # # These tests require an unmounted block device # to run correctly. Please see individual test --- Regards-- Manas ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp as they present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com _______________________________________________ Ltp-list mailing list Ltp-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ltp-list