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