146 lines
3.1 KiB
C
146 lines
3.1 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/*
|
|
* NAME
|
|
* mlock01.c
|
|
*
|
|
* DESCRIPTION
|
|
* Test to see that mlock works
|
|
*$
|
|
* ALGORITHM
|
|
* test 1:
|
|
* Call mlock with various valid addresses and lengths. No
|
|
* error should be returned
|
|
*
|
|
* USAGE: <for command-line>
|
|
* -c n Run n copies concurrently
|
|
* -e Turn on errno logging
|
|
* -f Turn off functional testing
|
|
* -h Show this help screen
|
|
* -i n Execute test n times
|
|
* -I x Execute test for x seconds
|
|
* -p Pause for SIGUSR1 before starting
|
|
* -P x Pause for x seconds between iterations
|
|
* -t Turn on syscall timing
|
|
*
|
|
* HISTORY
|
|
* 06/2002 Written by Paul Larson
|
|
*
|
|
* RESTRICTIONS
|
|
* None
|
|
*/
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <sys/mman.h>
|
|
#include "test.h"
|
|
|
|
void setup();
|
|
void setup1(int);
|
|
void cleanup();
|
|
|
|
char *TCID = "mlock01";
|
|
int TST_TOTAL = 4;
|
|
|
|
void *addr1;
|
|
|
|
struct test_case_t {
|
|
void **addr;
|
|
int len;
|
|
void (*setupfunc) ();
|
|
} TC[] = {
|
|
/* mlock should return ENOMEM when some or all of the address
|
|
* range pointed to by addr and len are not valid mapped pages
|
|
* in the address space of the process
|
|
*/
|
|
{
|
|
&addr1, 1, setup1}, {
|
|
&addr1, 1024, setup1}, {
|
|
&addr1, 1024 * 1024, setup1}, {
|
|
&addr1, 1024 * 1024 * 10, setup1}
|
|
};
|
|
|
|
#if !defined(UCLINUX)
|
|
|
|
int main(int ac, char **av)
|
|
{
|
|
int lc, i;
|
|
|
|
tst_parse_opts(ac, av, NULL, NULL);
|
|
|
|
setup();
|
|
|
|
/*
|
|
* FIXME (garrcoop): this should really test out whether or not the
|
|
* process's mappable address space is indeed accessible by the
|
|
* current user, instead of needing to be run by root all the time.
|
|
*/
|
|
tst_require_root();
|
|
|
|
for (lc = 0; TEST_LOOPING(lc); lc++) {
|
|
|
|
tst_count = 0;
|
|
|
|
for (i = 0; i < TST_TOTAL; i++) {
|
|
|
|
if (TC[i].setupfunc != NULL)
|
|
TC[i].setupfunc(TC[i].len);
|
|
|
|
TEST(mlock(*(TC[i].addr), TC[i].len));
|
|
|
|
/* I'm confused -- given the description above this
|
|
* should fail as designed, but this application
|
|
* */
|
|
if (TEST_RETURN == -1)
|
|
tst_resm(TFAIL | TTERRNO, "mlock failed");
|
|
else
|
|
tst_resm(TPASS, "mlock passed");
|
|
}
|
|
}
|
|
|
|
cleanup();
|
|
|
|
tst_exit();
|
|
}
|
|
|
|
#else
|
|
|
|
int main(void)
|
|
{
|
|
tst_brkm(TCONF, NULL, "test is not available on uClinux");
|
|
}
|
|
|
|
#endif /* if !defined(UCLINUX) */
|
|
|
|
void setup(void)
|
|
{
|
|
TEST_PAUSE;
|
|
}
|
|
|
|
void setup1(int len)
|
|
{
|
|
addr1 = malloc(len);
|
|
if (addr1 == NULL)
|
|
tst_brkm(TFAIL, cleanup, "malloc failed");
|
|
}
|
|
|
|
void cleanup(void)
|
|
{
|
|
}
|