78 lines
1.4 KiB
C
78 lines
1.4 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
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* Author: Kathy Olmsted
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* Co-Pilot: Steve Shaw
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*/
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/*\
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*[Description]
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*
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* - fork returns without error
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* - fork returns the pid of the child
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*/
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include "tst_test.h"
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#define KIDEXIT 42
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#define FILENAME "childpid"
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static int fd = -1;
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static void verify_fork(void)
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{
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int kid_status, term_pid, child_pid, pid, ret;
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pid = SAFE_FORK();
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if (!pid) {
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SAFE_FILE_PRINTF(FILENAME, "%d", getpid());
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exit(KIDEXIT);
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}
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term_pid = SAFE_WAITPID(pid, &kid_status, 0);
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if (term_pid == pid) {
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if (!WIFEXITED(kid_status)) {
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tst_res(TFAIL, "child exited abnormally");
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return;
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}
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ret = WEXITSTATUS(kid_status);
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if (ret != KIDEXIT)
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tst_res(TFAIL, "incorrect child status returned %d", ret);
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else
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tst_res(TPASS, "correct child status returned %d", ret);
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SAFE_FILE_SCANF(FILENAME, "%d", &child_pid);
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TST_EXP_EQ_LI(child_pid, pid);
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} else {
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tst_res(TFAIL, "waitpid() returns %d instead of expected pid %d",
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term_pid, pid);
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}
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tst_reap_children();
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}
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static void setup(void)
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{
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fd = SAFE_CREAT(FILENAME, 0700);
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SAFE_CLOSE(fd);
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}
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static void cleanup(void)
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{
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if (fd > -1)
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SAFE_CLOSE(fd);
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}
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static struct tst_test test = {
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.setup = setup,
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.cleanup = cleanup,
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.needs_tmpdir = 1,
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.forks_child = 1,
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.test_all = verify_fork,
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};
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