91 lines
2.0 KiB
C
91 lines
2.0 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 along
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* with this program; if not, write the Free Software Foundation, Inc.,
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* 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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* This is a test for the clone(2) system call.
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* It is intended to provide a limited exposure of the system call.
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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 <errno.h>
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#include <sched.h>
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#include <sys/wait.h>
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#include "test.h"
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#include "safe_macros.h"
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#include "clone_platform.h"
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static void setup(void);
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static void cleanup(void);
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static int do_child();
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char *TCID = "clone01";
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int TST_TOTAL = 1;
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int main(int ac, char **av)
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{
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void *child_stack;
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int status, child_pid;
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tst_parse_opts(ac, av, NULL, NULL);
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setup();
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child_stack = malloc(CHILD_STACK_SIZE);
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if (child_stack == NULL)
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tst_brkm(TBROK, cleanup, "Cannot allocate stack for child");
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tst_count = 0;
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TEST(ltp_clone(SIGCHLD, do_child, NULL, CHILD_STACK_SIZE, child_stack));
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if (TEST_RETURN == -1)
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tst_resm(TFAIL | TTERRNO, "clone failed");
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child_pid = SAFE_WAIT(cleanup, &status);
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if (TEST_RETURN == child_pid)
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tst_resm(TPASS, "clone returned %ld", TEST_RETURN);
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else
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tst_resm(TFAIL, "clone returned %ld, wait returned %d",
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TEST_RETURN, child_pid);
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free(child_stack);
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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(FORK, DEF_HANDLER, cleanup);
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TEST_PAUSE;
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}
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static void cleanup(void)
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{
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}
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static int do_child(void)
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{
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exit(0);
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}
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