Subrata Modak wrote:
> Poornima,
>
> Please resend it as a patch containing the source code/directories,
> Makefile(s), scripts(if any) and entry inside runtest/syscalls, all
> together integrated. I can test then.
>
> Regards--
> Subrata
>
> On Thu, 2008-07-31 at 18:30 +0530, B. N. Poornima wrote:
>
>> Hi,
>> I have developed test cases for sync_file_range() system call which will
>> do the basic sanity (error) checking for the system call. These tests
>> have to be run on 2.6.17 kernel and above.
>> The test cases have been currently tested only on x86 and x86_64
>> architecture.
>> Also, I have hard coded the system call number in the test case for
>> review purposes and will be later on moving it to
>> linux_syscall_numbers.h file in the LTP framework.
>> Please review the test cases and provide your comments so that I can
>> improve the same.
>>
>> Thanks,
>> Poornima.
>>
>> /******************************************************************************
>> * syncfilerange01.c
>> * Copyright (c) International Business Machines Corp., 2008
>> * Email: [EMAIL PROTECTED]
>>
>> *****************************************************************************/
>>
>> /******************************************************************************/
>> /*
>>
>> */
>> /* 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 */
>> /*
>> */
>> /******************************************************************************/
>>
>>
>> /*****************************************************************************
>> * TEST IDENTIFIER : syncfilerange01
>> *
>> * EXECUTED BY : anyone
>> *
>> * TEST TITLE : Checks for Errors from sync_file_range()
>> *
>> * TEST CASE TOTAL : 5
>> *
>> * CPU ARCHITECTURES : All
>> *
>> * AUTHOR : B N Poornima
>> *
>> * DATE STARTED : 21/07/2008
>> *
>> * TEST CASES
>> * (Tests sync_file_range() for different test cases as reported in
>> the man
>> * page)
>> *
>> * INPUT SPECIFICATIONS
>> * No input needs to be specified
>> * sync_file_data() in-puts are specified through test_data
>> *
>> * OUTPUT SPECIFICATIONS
>> * sync_file_data() error message matches with the expected
>> error
>> * message.
>> *
>> *
>> * ENVIRONMENTAL NEEDS
>> * None
>> *
>> * SPECIAL PROCEDURAL REQUIREMENTS
>> * None
>> *
>> * DETAILED DESCRIPTION
>> * This is a test case for sync_file_range() system call.
>> * This test suite tests various error messages from the
>> system call
>> * If the error message received matches with the expected
>> * test is considered passed else test fails
>> *
>> * Total 5 Test Cases :-
>> * Various error messages from the man page
>> *
>> * Setup:
>> * Setup files on which sync_file_range is to be called
>> *
>> * Test:
>> * Loop if the proper options are given.
>> * Execute system call
>> * Check return code.
>> * If error obtained matches with the expected error
>> * PASS the test, otherwise TEST FAILS
>> *
>> * Cleanup:
>> * Cleanup the temporary folder
>> *
>>
>> ******************************************************************************/
>>
>>
>>
>> #define _GNU_SOURCE
>>
>> /* Standard Include Files */
>> #include <stdio.h>
>> #include <stdlib.h>
>> #include <errno.h>
>> #include <sys/stat.h>
>> #include <sys/types.h>
>> #include <fcntl.h>
>> #include <sys/utsname.h>
>> #include <unistd.h>
>>
>> /* Harness Specific Include Files. */
>> #include "test.h"
>> #include "usctest.h"
>> #include "linux_syscall_numbers.h"
>>
>>
>> #ifndef __NR_sync_file_range
>> #define __NR_sync_file_range -1 //DUMMY VALUE
>> int arch_support = 0; //Architecure is not supported
>> #else
>> int arch_support = 1; //Architecture is supported
>>
>> #endif
>>
>> #ifdef __powerpc64__
>> # ifndef __NR_sync_file_range2
>> # define __NR_sync_file_range2 308
>> #endif
>> #endif
>>
>> #ifndef SYNC_FILE_RANGE_WAIT_BEFORE
>> #define SYNC_FILE_RANGE_WAIT_BEFORE 1
>> #define SYNC_FILE_RANGE_WRITE 2 //DUMMY VALUES
>> #define SYNC_FILE_RANGE_WAIT_AFTER 4
>> #endif
>>
>> #define SYNC_FILE_RANGE_INVALID 8
>>
>> /* 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 = "syncfilerange01"; /* test program identifier. */
>> char filename[255]; /* file used for testing */
>> char spl_file[] = "/dev/null";
>> int filed, sfd; /* normal and special fds */
>> int bfd = -1; /* Bad file descriptor */
>>
>> struct test_data_t
>> {
>> int *fd;
>> off64_t offset;
>> off64_t nbytes;
>> unsigned int flags;
>> int error;
>> } test_data[] = {
>> {&bfd, 0, 1, SYNC_FILE_RANGE_WRITE, EBADF},
>> {&sfd, 0, 1, SYNC_FILE_RANGE_WAIT_AFTER, ESPIPE},
>> {&filed, -1, 1, SYNC_FILE_RANGE_WAIT_BEFORE, EINVAL},
>> {&filed, 0, -1, SYNC_FILE_RANGE_WRITE, EINVAL},
>> {&filed, 0, 1, SYNC_FILE_RANGE_INVALID, EINVAL}
>> };
>>
>> int TST_TOTAL = sizeof(test_data) / sizeof(test_data[0]);
>>
>> /* 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 return code by calling tst_exit()
>> function. */
>> /*
>>
>>
>> */
>> /* Input:
>> None.
>> */
>> /*
>>
>>
>> */
>> /* Output:
>> None.
>> */
>> /*
>>
>>
>> */
>> /* Return: On failure - Exits calling tst_exit(). Non '0' return
>> code. */
>> /* On success - Exits calling tst_exit(). With '0' return
>> code. */
>> /*
>>
>>
>> */
>> /******************************************************************************/
>> extern void
>> cleanup()
>> {
>> /*
>> * print timing stats if that option was specified.
>> * print errno log if that option was specified.
>> */
>> TEST_CLEANUP;
>>
>> /* close the file we have open */
>> if (close(filed) == -1) {
>> tst_resm(TWARN, "close(%s) Failed, errno=%d : %s", filename,
>> errno, strerror(errno));
>> }
>>
>> /* Remove tmp dir and all files in it */
>> tst_rmdir();
>>
>> /* exit with return code appropriate for results */
>> tst_exit();
>>
>> 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 - returns
>> 0.
>> */
>> /*
>>
>> */
>> /******************************************************************************/
>> void
>> setup()
>> {
>> /* capture signals */
>> tst_sig(NOFORK, DEF_HANDLER, cleanup);
>>
>> /* Pause if that option was specified */
>> TEST_PAUSE;
>>
>> /* make a temp directory and cd to it */
>> tst_tmpdir();
>>
>> sprintf(filename,"tmpfile_%d",getpid());
>> if ((filed = open(filename,O_RDWR|O_CREAT,0700)) == -1) {
>> tst_brkm(TBROK, cleanup,
>> "open(%s, O_RDWR|O_CREAT,0700) Failed, errno=%d : %s",
>> filename, errno, strerror(errno));
>>
>> sfd = open(spl_file, O_RDWR|O_CREAT, 0700);
>>
>> }
>>
>> return;
>> }
>>
>> /*****************************************************************************
>> * Wraper function to call sync_file_range system call
>>
>> ******************************************************************************/
>> static inline long syncfilerange(int fd, off64_t offset, off64_t nbytes,
>> unsigned int flags)
>> {
>>
>> #if defined(__powerpc64__) && (__WORDSIZE==32)
>>
>> return syscall(__NR_sync_file_range2, fd, flags,
>> (int)(offset >>32), \
>> (int)offset, (int)(nbytes >>32),
>> (int)nbytes);
>>
>> #elif defined(__powerpc64__) && (__WORDSIZE==64)
>>
>> return syscall(__NR_sync_file_range2, fd, flags,
>> offset, nbytes);
>> #endif
>>
>> return syscall(__NR_sync_file_range, fd, offset,
>> nbytes, flags);
>>
>> return 0;
>> }
>> /******************************************************************************/
>> /*
>>
>>
>> */
>> /* Function:
>> main
>> */
>> /*
>>
>>
>> */
>> /* Description: Entry point to this test-case. It parses all the command
>> line */
>> /* inputs, calls the global setup and executes the test. It
>> logs */
>> /* the test status and results appropriately using the LTP
>> API's */
>> /* On successful completion or premature failure, cleanup()
>> func */
>> /* is called and test exits with an appropriate return
>> code. */
>> /*
>>
>> */
>> /* Input: Describe input arguments to this
>> test-case
>> */
>> /* -l - Number of
>> iteration
>> */
>> /* -v - Prints verbose
>> output
>> */
>> /* -V - Prints the version
>> number
>> */
>> /*
>>
>>
>> */
>> /* Exit: On failure - Exits by calling
>> cleanup().
>> */
>> /* On success - exits with 0 exit
>> value.
>> */
>> /*
>>
>>
>> */
>> /******************************************************************************/
>> int
>> main(int ac, /* number of command line
>> parameters */
>> char **av) /* pointer to the array of the command line
>> parameters. */
>> {
>>
>> int test_index = 0;
>> int lc;
>> char *msg;
>>
>> /***************************************************************
>> parse standard options
>> ********************************************************************/
>> if ( (msg=parse_opts(ac, av, (option_t *) NULL, NULL)) != (char
>> *) NULL )
>> tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg);
>>
>> /* This test needs kernel version > 2.6.16 */
>>
>> if ( !arch_support || (tst_kvercmp(2,6,17) < 0)) {
>> tst_resm(TWARN," System doesn't support execution of the
>> test");
>> exit(0);
>> }
>>
>>
>> /* perform global test setup, call setup() function. */
>> setup();
>>
>> for (lc=0; TEST_LOOPING(lc); lc++) {
>> /* reset Tst_count in case we are looping. */
>> Tst_count=0;
>>
>> for(test_index = 0 ; test_index < TST_TOTAL; test_index ++)
>> {
>> TEST(syncfilerange(*(test_data[test_index].fd),
>> test_data[test_index].offset, \
>> test_data[test_index].nbytes,
>> test_data[test_index].flags));
>>
>>
>> if (TEST_RETURN != -1) {
>> tst_resm(TFAIL, "call succeeded
>> unexpectedly");
>> continue;
>> }
>>
>> TEST_ERROR_LOG(TEST_ERRNO);
>>
>> if (TEST_ERRNO == test_data[test_index].error) {
>> tst_resm(TPASS, "expected failure - "
>> "errno = %d : %s", TEST_ERRNO,
>> strerror(TEST_ERRNO));
>> } else {
>> tst_resm(TFAIL, "unexpected error - %d :
>> %s - "
>> "expected %d", TEST_ERRNO,
>> strerror(TEST_ERRNO),
>> test_data[test_index].error);
>> }
>> }
>>
>> }
>>
>> cleanup();
>> return(0);
>> }
>>
>>
>>
>>
>>
>>
>>
>
>
Subrata,
Ok..will be re-sending it as a patch soon. Thanks!
Regards,
Poornima
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