56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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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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/*\
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* [Description]
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*
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* Basic clone() test.
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*
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* Use clone() to create a child process, and wait for the child process to exit,
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* verify that the child process pid is correct.
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*/
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#include <stdlib.h>
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#include "tst_test.h"
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#include "clone_platform.h"
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static void *child_stack;
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static int do_child(void *arg LTP_ATTRIBUTE_UNUSED)
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{
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exit(0);
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}
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static void verify_clone(void)
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{
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int status, child_pid;
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TST_EXP_PID_SILENT(ltp_clone(SIGCHLD, do_child, NULL,
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CHILD_STACK_SIZE, child_stack), "clone()");
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child_pid = SAFE_WAIT(&status);
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if (child_pid == TST_RET)
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tst_res(TPASS, "clone returned %ld", TST_RET);
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else
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tst_res(TFAIL, "clone returned %ld, wait returned %d",
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TST_RET, child_pid);
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if (WIFEXITED(status) && WEXITSTATUS(status) == 0)
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tst_res(TPASS, "Child exited with 0");
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else
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tst_res(TFAIL, "Child %s", tst_strstatus(status));
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}
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static struct tst_test test = {
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.test_all = verify_clone,
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.forks_child = 1,
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.bufs = (struct tst_buffers []) {
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{&child_stack, .size = CHILD_STACK_SIZE},
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{}
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},
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};
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