diff options
Diffstat (limited to 'testcases/kernel/syscalls/mlock/mlock01.c')
| -rw-r--r-- | testcases/kernel/syscalls/mlock/mlock01.c | 159 |
1 files changed, 33 insertions, 126 deletions
diff --git a/testcases/kernel/syscalls/mlock/mlock01.c b/testcases/kernel/syscalls/mlock/mlock01.c index 2338d4d56..0b079f8be 100644 --- a/testcases/kernel/syscalls/mlock/mlock01.c +++ b/testcases/kernel/syscalls/mlock/mlock01.c @@ -1,145 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* - * - * 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 + * Copyright (c) International Business Machines Corp., 2002 * * 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(); +/*\ + * [Description] + * + * Test mlock with various valid addresses and lengths. + */ -char *TCID = "mlock01"; -int TST_TOTAL = 4; +#include <stdlib.h> +#include "tst_test.h" -void *addr1; +static void *addr; -struct test_case_t { - void **addr; +static struct tcase { + char *msg; 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} +} tcases[] = { + {"mlock 1 byte", 1}, + {"mlock 1024 bytes", 1024}, + {"mlock 1024 * 1024 bytes", 1024 * 1024}, + {"mlock 1024 * 1024 * 10 bytes", 1024 * 1024 * 10} }; -#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) +static void do_mlock(unsigned int i) { - tst_brkm(TCONF, NULL, "test is not available on uClinux"); -} - -#endif /* if !defined(UCLINUX) */ + struct tcase *tc = &tcases[i]; -void setup(void) -{ - TEST_PAUSE; + tst_res(TINFO, "%s", tc->msg); + addr = SAFE_MALLOC(tc->len); + TST_EXP_PASS(mlock(addr, tc->len), "mlock(%p, %d)", addr, tc->len); + free(addr); + addr = NULL; } -void setup1(int len) +static void cleanup(void) { - addr1 = malloc(len); - if (addr1 == NULL) - tst_brkm(TFAIL, cleanup, "malloc failed"); + if (addr) + free(addr); } -void cleanup(void) -{ -} +static struct tst_test test = { + .needs_root = 1, + .test = do_mlock, + .tcnt = ARRAY_SIZE(tcases), + .cleanup = cleanup, +}; |