From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sfi-mx-1.v28.ch3.sourceforge.com ([172.29.28.121] helo=mx.sourceforge.net) by 335xhf1.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1MA1eD-0000mj-I5 for ltp-list@lists.sourceforge.net; Fri, 29 May 2009 12:57:21 +0000 Received: from e6.ny.us.ibm.com ([32.97.182.146]) by 29vjzd1.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69) id 1MA1eC-00031b-Is for ltp-list@lists.sourceforge.net; Fri, 29 May 2009 12:57:21 +0000 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e6.ny.us.ibm.com (8.13.1/8.13.1) with ESMTP id n4TCxqAZ003493 for ; Fri, 29 May 2009 08:59:52 -0400 Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v9.2) with ESMTP id n4TCvKrv151850 for ; Fri, 29 May 2009 08:57:20 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n4TCvJJH014487 for ; Fri, 29 May 2009 08:57:20 -0400 From: Subrata Modak In-Reply-To: <20090527101228.18638.22844.sendpatchset@subratamodak.linux.ibm.com> References: <20090527100645.18638.75163.sendpatchset@subratamodak.linux.ibm.com> <20090527101228.18638.22844.sendpatchset@subratamodak.linux.ibm.com> Date: Fri, 29 May 2009 18:27:15 +0530 Message-Id: <1243601835.5188.54.camel@subratamodak.linux.ibm.com> Mime-Version: 1.0 Subject: Re: [LTP] [PATCH 12/13] Add/Port unshare01 test for unshare() syscall Reply-To: subrata@linux.vnet.ibm.com List-Id: Linux Test Project General Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-list-bounces@lists.sourceforge.net To: Manas Kumar Nayak Cc: LTP List On Wed, 2009-05-27 at 15:42 +0530, Manas Kumar Nayak wrote: > Signed-off-by: Manas Kumar Nayak Thanks. Regards-- Subrata > 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