minix/test/ipc/shmctl/shmctl04.c
2009-09-21 14:53:53 +00:00

136 lines
3.1 KiB
C

/*
*
* Copyright (c) International Business Machines Corp., 2001
*
* 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
*/
/*
* NAME
* shmctl04.c
*
* DESCRIPTION
* shmctl04 - test the SHM_INFO command
* they are used with shmctl() in ipcs
*
* USAGE: <for command-line>
* shmctl04 [-c n] [-f] [-i n] [-I x] [-P x] [-t]
* where, -c n : Run n copies concurrently.
* -f : Turn off functionality Testing.
* -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.
*
* HISTORY
* 09/2002 - Written by Mingming Cao
*
* RESTRICTIONS
* none
*/
#include "ipcshm.h"
char *TCID = "shmctl04";
int TST_TOTAL = 1;
extern int Tst_count;
struct shm_info shm_info;
int max_ids;
/*
* These are the various setup and check functions for the commands
* that we are checking.
*/
int main(int ac, char **av)
{
int lc; /* loop counter */
char *msg; /* message returned 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);
}
setup();
/* The following loop checks looping state if -i option given */
for (lc = 0; TEST_LOOPING(lc); lc++) {
/* reset Tst_count in case we are looping */
Tst_count = 0;
TEST(shmctl(0, SHM_INFO, (struct shmid_ds *)&shm_info));
if (TEST_RETURN != -1) {
tst_resm(TPASS, "SHM_INFO call succeeded");
continue;
}
TEST_ERROR_LOG(TEST_ERRNO);
tst_resm(TFAIL, "SHM_INFO call failed with an unexpected error"
" - %d : %s",TEST_ERRNO, strerror(TEST_ERRNO));
}
cleanup();
/*NOTREACHED*/
return(0);
}
/*
* setup() - performs all the ONE TIME setup for this test.
*/
void
setup(void)
{
/* capture signals */
tst_sig(NOFORK, DEF_HANDLER, cleanup);
/* Pause if that option was specified */
TEST_PAUSE;
/*
* Create a temporary directory and cd into it.
* This helps to ensure that a unique msgkey is created.
* See ../lib/libipc.c for more information.
*/
tst_tmpdir();
}
/*
* cleanup() - performs all the ONE TIME cleanup for this test at completion
* or premature exit.
*/
void
cleanup(void)
{
/* Remove the temporary directory */
tst_rmdir();
/*
* print timing stats if that option was specified.
* print errno log if that option was specified.
*/
TEST_CLEANUP;
/* exit with return code appropriate for results */
tst_exit();
}