1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) Crackerjack Project., 2007
4 * Copyright (c) Manas Kumar Nayak [email protected]>
5 * Copyright (C) 2021 SUSE LLC Andrea Cervesato <[email protected]>
6 */
7
8 /*\
9 * [Description]
10 *
11 * Tests if waitid() filters children correctly by the group ID.
12 *
13 * - waitid() with GID + 1 returns ECHILD
14 * - waitid() with GID returns correct data
15 */
16
17 #include <stdlib.h>
18 #include <sys/wait.h>
19 #include "tst_test.h"
20
21 static siginfo_t *infop;
22
run(void)23 static void run(void)
24 {
25 pid_t pid_group;
26 pid_t pid_child;
27
28 pid_child = SAFE_FORK();
29 if (!pid_child)
30 exit(0);
31
32 pid_group = getpgid(0);
33
34 TST_EXP_FAIL(waitid(P_PGID, pid_group+1, infop, WEXITED), ECHILD);
35
36 memset(infop, 0, sizeof(*infop));
37 TST_EXP_PASS(waitid(P_PGID, pid_group, infop, WEXITED));
38
39 TST_EXP_EQ_LI(infop->si_pid, pid_child);
40 TST_EXP_EQ_LI(infop->si_status, 0);
41 TST_EXP_EQ_LI(infop->si_signo, SIGCHLD);
42 TST_EXP_EQ_LI(infop->si_code, CLD_EXITED);
43 }
44
45 static struct tst_test test = {
46 .test_all = run,
47 .forks_child = 1,
48 .bufs = (struct tst_buffers[]) {
49 {&infop, .size = sizeof(*infop)},
50 {}
51 }
52 };
53