114 lines
2.6 KiB
C
114 lines
2.6 KiB
C
/*
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* Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
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* Copyright (c) 2012 Wanlong Gao <gaowanlong@cn.fujitsu.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/*
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* Verify that,
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* clone(2) returns -1 and sets errno to EINVAL if
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* child stack is set to a zero value(NULL)
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*/
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#if defined UCLINUX && !__THROW
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/* workaround for libc bug */
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#define __THROW
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#endif
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#include <sched.h>
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#include <errno.h>
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#include <sys/wait.h>
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#include "test.h"
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#include "clone_platform.h"
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static void cleanup(void);
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static void setup(void);
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static int child_fn();
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static void *child_stack;
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static struct test_case_t {
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int (*child_fn) ();
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void **child_stack;
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int exp_errno;
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char err_desc[10];
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} test_cases[] = {
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{
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child_fn, NULL, EINVAL, "EINVAL"},};
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char *TCID = "clone04";
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int TST_TOTAL = sizeof(test_cases) / sizeof(test_cases[0]);
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int main(int ac, char **av)
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{
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int lc, ind;
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void *test_stack;
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tst_parse_opts(ac, av, NULL, NULL);
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setup();
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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tst_count = 0;
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for (ind = 0; ind < TST_TOTAL; ind++) {
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if (test_cases[ind].child_stack == NULL) {
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test_stack = NULL;
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} else if (*test_cases[ind].child_stack == NULL) {
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tst_resm(TWARN, "Can not allocate stack for"
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"child, skipping test case");
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continue;
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} else {
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test_stack = child_stack;
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}
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TEST(ltp_clone(0, test_cases[ind].child_fn, NULL,
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CHILD_STACK_SIZE, test_stack));
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if ((TEST_RETURN == -1) &&
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(TEST_ERRNO == test_cases[ind].exp_errno)) {
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tst_resm(TPASS, "expected failure; Got %s",
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test_cases[ind].err_desc);
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} else {
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tst_resm(TFAIL | TTERRNO,
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"Call failed to produce expected error; "
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"expected errno %d and result -1; got result %ld",
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test_cases[ind].exp_errno,
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TEST_RETURN);
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}
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}
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}
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cleanup();
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tst_exit();
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}
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static void setup(void)
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{
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tst_sig(NOFORK, DEF_HANDLER, cleanup);
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TEST_PAUSE;
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child_stack = malloc(CHILD_STACK_SIZE);
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}
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static void cleanup(void)
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{
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free(child_stack);
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}
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static int child_fn(void)
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{
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exit(1);
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}
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