C++程序  |  104行  |  2.5 KB

/*
 * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
 *    AUTHOR		: William Roske
 *    CO-PILOT		: Dave Fenner
 *
 * 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.
 *
 * Further, this software is distributed without any warranty that it is
 * free of the rightful claim of any third person regarding infringement
 * or the like.  Any license provided herein, whether implied or
 * otherwise, applies only to this software file.  Patent licenses, if
 * any, provided herein do not apply to combinations of this program with
 * other software, or any other product whatsoever.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
 * Mountain View, CA  94043, or:
 *
 * http://www.sgi.com
 *
 * For further information regarding this notice, see:
 *
 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
 *
 */

#include <errno.h>
#include <string.h>
#include <signal.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "test.h"

static void setup(void);
static void cleanup(void);

char *TCID = "wait02";
int TST_TOTAL = 1;

static void wait_verify(void);

int main(int ac, char **av)
{
	int lc;

	tst_parse_opts(ac, av, NULL, NULL);

	setup();

	for (lc = 0; TEST_LOOPING(lc); lc++) {
		tst_count = 0;
		wait_verify();
	}

	cleanup();
	tst_exit();
}

static void setup(void)
{
	tst_sig(FORK, DEF_HANDLER, cleanup);

	TEST_PAUSE;
}

static void wait_verify(void)
{
	int fork_pid, status, exit_child = 1;

	fork_pid = FORK_OR_VFORK();
	if (fork_pid == -1) {
		tst_brkm(TBROK | TERRNO, cleanup, "fork() Failure");
	} else if (fork_pid == 0) {
		sleep(1);
		exit(exit_child);
	}

	TEST(wait(&status));

	if (TEST_RETURN == -1) {
		tst_resm(TFAIL | TTERRNO, "wait(1) Failed");
	} else if (WIFEXITED(status) && WEXITSTATUS(status) == exit_child) {
		tst_resm(TPASS, "wait(&status) returned %ld", TEST_RETURN);
	} else {
		tst_resm(TFAIL,
			 "wait(1) Failed, exit_child - 0x%x, status - 0x%x",
			 exit_child, status);
	}
}

static void cleanup(void)
{
}