1/*
2 *   Copyright (c) International Business Machines  Corp., 2001
3 *
4 *   This program is free software;  you can redistribute it and/or modify
5 *   it under the terms of the GNU General Public License as published by
6 *   the Free Software Foundation; either version 2 of the License, or
7 *   (at your option) any later version.
8 *
9 *   This program is distributed in the hope that it will be useful,
10 *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
11 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
12 *   the GNU General Public License for more details.
13 *
14 *   You should have received a copy of the GNU General Public License
15 *   along with this program;  if not, write to the Free Software
16 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 *
18 *
19 * NAME
20 *	fork11.c
21 *
22 * DESCRIPTION
23 *	Test that parent gets a pid from each child when doing wait
24 *
25 * ALGORITHM
26 *	Fork NUMFORKS children that do nothing.
27 *
28 * USAGE
29 *	fork11
30 *
31 * HISTORY
32 *	07/2001 Ported by Wayne Boyer
33 *
34 * RESTRICTIONS
35 *	None
36 */
37
38#include <sys/types.h>
39#include <sys/wait.h>
40#include <stdio.h>
41#include <errno.h>
42#include "test.h"
43
44char *TCID = "fork11";
45int TST_TOTAL = 1;
46
47static void setup(void);
48static void cleanup(void);
49
50#define NUMFORKS 100
51
52int main(int ac, char **av)
53{
54	int i, pid, cpid, status;
55	int fail = 0;
56	int lc;
57
58	tst_parse_opts(ac, av, NULL, NULL);
59
60	setup();
61
62	for (lc = 0; TEST_LOOPING(lc); lc++) {
63		tst_count = 0;
64
65		for (i = 0; i < NUMFORKS; i++) {
66			pid = fork();
67			if (pid == 0)
68				exit(0);
69
70			if (pid > 0) {	/* parent */
71				cpid = wait(&status);
72				if (cpid != pid)
73					fail++;
74			} else {
75				fail++;
76				break;
77			}
78		}
79		if (fail)
80			tst_resm(TFAIL, "fork failed %d times", fail);
81		else
82			tst_resm(TPASS, "fork test passed, %d processes", i);
83	}
84
85	cleanup();
86	tst_exit();
87}
88
89static void setup(void)
90{
91	tst_sig(FORK, DEF_HANDLER, cleanup);
92	TEST_PAUSE;
93}
94
95static void cleanup(void)
96{
97}
98