1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) Crackerjack Project., 2007
4 * Ported from Crackerjack to LTP by Manas Kumar Nayak maknayak@in.ibm.com>
5 */
6
7/*\
8 * [Description]
9 *
10 * Basic tests for the tkill() errors.
11 *
12 * [Algorithm]
13 *
14 * - EINVAL on an invalid thread ID
15 * - ESRCH when no process with the specified thread ID exists
16 */
17
18#include <stdio.h>
19#include <stdlib.h>
20#include <errno.h>
21#include <unistd.h>
22#include <signal.h>
23
24#include "tst_test.h"
25#include "lapi/syscalls.h"
26
27static pid_t unused_tid;
28static pid_t inval_tid = -1;
29
30struct test_case_t {
31	int *tid;
32	int exp_errno;
33} tc[] = {
34	{&inval_tid, EINVAL},
35	{&unused_tid, ESRCH}
36};
37
38static void setup(void)
39{
40	unused_tid = tst_get_unused_pid();
41}
42
43static void run(unsigned int i)
44{
45	TST_EXP_FAIL(tst_syscall(__NR_tkill, *(tc[i].tid), SIGUSR1),
46		     tc[i].exp_errno, "tst_syscall(__NR_tkill) expecting %s",
47			 tst_strerrno(tc[i].exp_errno));
48}
49
50static struct tst_test test = {
51	.tcnt = ARRAY_SIZE(tc),
52	.needs_tmpdir = 1,
53	.setup = setup,
54	.test = run,
55};
56