[LTP] [PATCH 13/13] Add/Port unshare02 test for unshare() syscall

Manas Kumar Nayak
2009-05-27T10:13:27Z

Signed-off-by: Manas Kumar Nayak <maknayak@in.ibm.com>
To: LTP List <ltp-list@lists.sourceforge.net>
Cc: Subrata Modak <subrata@linux.vnet.ibm.com>
Cc: Masatake YAMATO <yamato@redhat.com>
---

--- ltp-intermediate-20090521.orig/testcases/kernel/syscalls/unshare/unshare02.c 1970-01-01 05:30:00.000000000 +0530
+++ ltp-intermediate-20090521/testcases/kernel/syscalls/unshare/unshare02.c 2009-05-27 14:51:53.000000000 +0530
@@ -0,0 +1,183 @@
+/******************************************************************************/
+/* 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: unshare02.c */
+/* */
+/* Description: This tests the unshare error() syscall */
+/* */
+/* Usage: <for command-line> */
+/* unshare02 [-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: 2 */
+/* */
+/* Test Name: unshare02 */
+/* History: Porting from Crackerjack to LTP is done by */
+/* Manas Kumar Nayak maknayak@in.ibm.com> */
+/******************************************************************************/
+
+#include <stdio.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+#include <sched.h>
+#include <limits.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <errno.h>
+#include <pwd.h>
+#include <grp.h>
+#include <string.h>
+#include <sys/param.h>
+#include <stdio.h>
+
+/* 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 = "unshare02"; /* Test program identifier.*/
+int testno;
+int TST_TOTAL = 2; /* 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(-1)) == 0) {
+ tst_resm(TPASS, "Call succeeded");
+ tst_exit();
+ }
+ else if (TEST_RETURN == -1 ){
+ tst_resm(TFAIL,"Test Failed, errno=%d : %s",TEST_ERRNO, strerror(TEST_ERRNO));
+ tst_exit();
+ }
+ }
+
+ TEST(pid1=fork()); //call to fork()
+ if (pid1 == -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((int)NULL)) == 0) {
+ tst_resm(TPASS, "Call succeeded");
+ tst_exit();
+ }
+ else if (TEST_RETURN == -1 ){
+ tst_resm(TFAIL,"Test Failed 2, errno=%d : %s",TEST_ERRNO, strerror(TEST_ERRNO));
+ tst_exit();
+ }
+ }
+
+
+ }
+ }
+ cleanup();
+ tst_exit();
+}
+
--- ltp-intermediate-20090521.orig/runtest/syscalls 2009-05-27 14:49:30.000000000 +0530
+++ ltp-intermediate-20090521/runtest/syscalls 2009-05-27 14:57:51.000000000 +0530
@@ -1208,6 +1208,7 @@ unlink08 unlink08
unlinkat01 unlinkat01

unshare01 unshare01
+unshare02 unshare02

#
# These tests require an unmounted block device

---
Regards--
Manas