minix/test/ipc/semctl/semctl07.c
2009-09-21 14:53:53 +00:00

218 lines
5.9 KiB
C

/*
*
* Copyright (c) International Business Machines Corp., 2002
*
* 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
*/
/* 06/30/2001 Port to Linux nsharoff@us.ibm.com */
/* 10/30/2002 Port to LTP dbarrera@us.ibm.com */
/*
* NAME
* semctl07
*
* CALLS
* semctl(2) semget(2)
*
* ALGORITHM
* Get and manipulate a set of semaphores.
*
* RESTRICTIONS
*
*/
#include <sys/types.h> /* needed for test */
#include <sys/ipc.h> /* needed for test */
#include <sys/sem.h> /* needed for test */
#include <signal.h> /* needed for test */
#include <errno.h> /* needed for test */
#include <stdio.h> /* needed by testhead.h */
#include <sys/wait.h> /* needed by testhead.h */
#include "ipcsem.h"
#include "test.h"
#include "usctest.h"
void setup(void);
void cleanup(void);
/*
*These globals must be defined in the test.
*/
char *TCID="semctl07"; /* Test program identifier. */
int TST_TOTAL=1; /* Total number of test cases. */
extern int Tst_count; /* Test Case counter for tst_* routines */
int exp_enos[]={0}; /* List must end with 0 */
/*--------------------------------------------------------------*/
int main(int argc, char *argv[])
{
key_t key;
int semid, nsems, status;
struct semid_ds buf_ds;
union semun {
int val;
struct semid_ds *buf;
short *array;
};
union semun arg;
setup(); /* temp file is now open */
/*--------------------------------------------------------------*/
key = nsems = 1;
if ((semid = semget(key, nsems, SEM_RA|IPC_CREAT)) == -1) {
tst_resm(TFAIL, "semget() failed errno = %d", errno);
tst_exit();
}
arg.buf = &buf_ds;
if ((status = semctl(semid, 0, IPC_STAT, arg)) == -1) {
tst_resm(TFAIL, "semctl() failed errno = %d", errno);
semctl(semid, 1, IPC_RMID, arg);
tst_exit();
}
/*
* Check contents of semid_ds structure.
*/
if (arg.buf->sem_nsems != nsems) {
tst_resm(TFAIL, "error: unexpected number of sems %d", arg.buf->sem_nsems);
tst_exit();
}
if (arg.buf->sem_perm.uid != getuid()) {
tst_resm(TFAIL, "error: unexpected uid %d", arg.buf->sem_perm.uid);
tst_exit();
}
if (arg.buf->sem_perm.gid != getgid()) {
tst_resm(TFAIL, "error: unexpected gid %d", arg.buf->sem_perm.gid);
tst_exit();
}
if (arg.buf->sem_perm.cuid != getuid()) {
tst_resm(TFAIL, "error: unexpected cuid %d", arg.buf->sem_perm.cuid);
tst_exit();
}
if (arg.buf->sem_perm.cgid != getgid()) {
tst_resm(TFAIL, "error: unexpected cgid %d", arg.buf->sem_perm.cgid);
tst_exit();
}
if ((status = semctl(semid, 0, GETVAL, arg)) == -1) {
tst_resm(TFAIL, "semctl(GETVAL) failed errno = %d", errno);
tst_exit();
}
arg.val = 1;
if ((status = semctl(semid, 0, SETVAL, arg)) == -1) {
tst_resm(TFAIL, "SEMCTL(SETVAL) failed errno = %d", errno);
tst_exit();
}
if ((status = semctl(semid, 0, GETVAL, arg)) == -1) {
tst_resm(TFAIL, "semctl(GETVAL) failed errno = %d", errno);
tst_exit();
}
if (status != arg.val) {
tst_resm(TFAIL, "error: unexpected value %d", status);
tst_exit();
}
if ((status = semctl(semid, 0, GETPID, arg)) == -1) {
tst_resm(TFAIL, "semctl(GETPID) failed errno = %d", errno);
tst_exit();
}
status = getpid();
if (status == 0)
{
tst_resm(TFAIL, "error: unexpected pid %d", status);
tst_exit();
}
if ((status = semctl(semid, 0, GETNCNT, arg)) == -1) {
tst_resm(TFAIL, "semctl(GETNCNT) failed errno = %d", errno);
tst_exit();
}
if (status != 0) {
tst_resm(TFAIL, "error: unexpected semncnt %d", status);
tst_exit();
}
if ((status = semctl(semid, 0, GETZCNT, arg)) == -1) {
tst_resm(TFAIL, "semctl(GETZCNT) failed errno = %d", errno);
tst_exit();
}
if (status != 0) {
tst_resm(TFAIL, "error: unexpected semzcnt %d", status);
tst_exit();
}
semctl(semid, 0, IPC_RMID, arg);
if ((status = semctl(semid, 0, GETPID, arg)) != -1) {
tst_resm(TFAIL, "semctl(IPC_RMID) failed");
tst_exit();
}
tst_resm(TPASS, "semctl07 ran successfully!");
/*--------------------------------------------------------------*/
/* Clean up any files created by test before exit. */
/*--------------------------------------------------------------*/
cleanup();
return (0);
}
/*--------------------------------------------------------------*/
/***************************************************************
* setup() - performs all ONE TIME setup for this test.
*****************************************************************/
void
setup()
{
/* You will want to enable some signal handling so you can capture
* unexpected signals like SIGSEGV.
* */
tst_sig(NOFORK, DEF_HANDLER, cleanup);
/* Pause if that option was specified */
/* One cavet that hasn't been fixed yet. TEST_PAUSE contains the code to
* fork the test with the -c option. You want to make sure you do this
* before you create your temporary directory.
*/
TEST_PAUSE;
}
/***************************************************************
* cleanup() - performs all ONE TIME cleanup for this test at
* completion or premature exit.
****************************************************************/
void
cleanup()
{
/*
* 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();
}