1 /*
2 * Copyright (c) 2014 Fujitsu Ltd.
3 * Author: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it would be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17 /*
18 * Test Description:
19 * Verify that,
20 * The calling process does not have any unwaited-for children,
21 * ECHILD would return.
22 */
23
24 #include <errno.h>
25 #include <sys/types.h>
26 #include <sys/wait.h>
27
28 #include "test.h"
29
30 char *TCID = "wait01";
31 int TST_TOTAL = 1;
32 static void setup(void);
33 static void wait_verify(void);
34 static void cleanup(void);
35
main(int argc,char ** argv)36 int main(int argc, char **argv)
37 {
38 int lc;
39
40 tst_parse_opts(argc, argv, NULL, NULL);
41
42 setup();
43
44 for (lc = 0; TEST_LOOPING(lc); lc++) {
45 tst_count = 0;
46 wait_verify();
47 }
48
49 cleanup();
50 tst_exit();
51 }
52
setup(void)53 static void setup(void)
54 {
55 tst_sig(NOFORK, DEF_HANDLER, cleanup);
56
57 TEST_PAUSE;
58 }
59
wait_verify(void)60 static void wait_verify(void)
61 {
62 TEST(wait(NULL));
63
64 if (TEST_RETURN != -1) {
65 tst_resm(TFAIL | TTERRNO, "wait failed unexpectedly: %ld",
66 TEST_RETURN);
67 return;
68 }
69
70 if (TEST_ERRNO == ECHILD) {
71 tst_resm(TPASS | TTERRNO, "wait failed as expected");
72 } else {
73 tst_resm(TFAIL | TTERRNO,
74 "wait failed unexpectedly; expected: %d - %s",
75 ECHILD, strerror(ECHILD));
76 }
77 }
78
cleanup(void)79 static void cleanup(void)
80 {
81 }
82