152 lines
3.6 KiB
C
152 lines
3.6 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
|
|
*/
|
|
|
|
/* 12/20/2002 Port to LTP robbiew@us.ibm.com */
|
|
/* 06/30/2001 Port to Linux nsharoff@us.ibm.com */
|
|
|
|
/*
|
|
* NAME
|
|
* shmt05
|
|
*
|
|
* CALLS
|
|
* shmctl(2) shmget(2) shmat(2)
|
|
*
|
|
* ALGORITHM
|
|
* Create two shared memory segments and attach them to the same process
|
|
* at two different addresses. The addresses DO BUMP into each other.
|
|
* The second attach should Fail.
|
|
*
|
|
*/
|
|
|
|
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <sys/ipc.h>
|
|
#include <sys/shm.h>
|
|
#include <sys/utsname.h>
|
|
#include <errno.h>
|
|
#include <time.h>
|
|
|
|
/** LTP Port **/
|
|
#include "test.h"
|
|
#include "usctest.h"
|
|
|
|
|
|
char *TCID="shmt05"; /* Test program identifier. */
|
|
int TST_TOTAL=2; /* Total number of test cases. */
|
|
extern int Tst_count; /* Test Case counter for tst_* routines */
|
|
/**************/
|
|
|
|
key_t key[2];
|
|
|
|
#define ADDR (void *)0x80000
|
|
#define ADDR1 (void *)0x81000
|
|
#define ADDR_IA (void *)0x40000000
|
|
#define ADDR1_IA (void *)0x40000010
|
|
|
|
#define SIZE 16*1024
|
|
|
|
#define srand48 srand
|
|
#define lrand48 rand
|
|
|
|
int rm_shm(int);
|
|
|
|
int main(void)
|
|
{
|
|
int shmid, shmid1;
|
|
char *cp, *cp1;
|
|
|
|
srand48((getpid() << 16) + (unsigned)time((time_t *)NULL));
|
|
|
|
key[0] = (key_t) lrand48();
|
|
key[1] = (key_t) lrand48();
|
|
|
|
/*--------------------------------------------------------*/
|
|
|
|
|
|
if ((shmid = shmget(key[0], SIZE, IPC_CREAT|0666)) < 0) {
|
|
perror("shmget");
|
|
tst_resm(TFAIL,
|
|
"Error: shmget: shmid = %d, errno = %d\n",
|
|
shmid, errno) ;
|
|
} else {
|
|
#ifdef __ia64__
|
|
cp = (char *) shmat(shmid, ADDR_IA, 0);
|
|
#elif defined(__ARM_ARCH_4T__)
|
|
cp = (char *) shmat(shmid, (void *)NULL, 0);
|
|
#else
|
|
cp = (char *) shmat(shmid, ADDR, 0);
|
|
#endif
|
|
if (cp == (char *)-1) {
|
|
tst_resm(TFAIL,"shmat");
|
|
rm_shm(shmid) ;
|
|
}
|
|
}
|
|
|
|
tst_resm(TPASS,"shmget & shmat");
|
|
|
|
/*--------------------------------------------------------*/
|
|
|
|
|
|
if ((shmid1 = shmget(key[1], SIZE, IPC_CREAT|0666)) < 0) {
|
|
perror("shmget2");
|
|
tst_resm(TFAIL,
|
|
"Error: shmget: shmid1 = %d, errno = %d\n",
|
|
shmid1, errno) ;
|
|
} else {
|
|
#ifdef __ia64__
|
|
cp1 = (char *) shmat(shmid1, ADDR1_IA, 0);
|
|
#elif defined(__ARM_ARCH_4T__)
|
|
cp1 = (char *) shmat(shmid1, (void *)NULL, 0);
|
|
#else
|
|
cp1 = (char *) shmat(shmid1, ADDR1, 0);
|
|
#endif
|
|
if (cp1 != (char *)-1) {
|
|
perror("shmat");
|
|
tst_resm(TFAIL,
|
|
"Error: shmat: shmid1 = %d, addr= %#x, errno = %d\n",
|
|
shmid1, cp1, errno);
|
|
}
|
|
}
|
|
|
|
tst_resm(TPASS,"2nd shmget & shmat");
|
|
|
|
/*------------------------------------------------------*/
|
|
|
|
rm_shm(shmid) ;
|
|
rm_shm(shmid1) ;
|
|
|
|
tst_exit() ;
|
|
|
|
/*-------------------------------------------------------*/
|
|
return(0);
|
|
}
|
|
|
|
int rm_shm(shmid)
|
|
int shmid ;
|
|
{
|
|
if (shmctl(shmid, IPC_RMID, NULL) == -1) {
|
|
perror("shmctl");
|
|
tst_resm(TFAIL,
|
|
"shmctl Failed to remove: shmid = %d, errno = %d\n",
|
|
shmid, errno) ;
|
|
tst_exit();
|
|
}
|
|
return(0);
|
|
}
|