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 [email protected]>
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
27 static pid_t unused_tid;
28 static pid_t inval_tid = -1;
29
30 struct test_case_t {
31 int *tid;
32 int exp_errno;
33 } tc[] = {
34 {&inval_tid, EINVAL},
35 {&unused_tid, ESRCH}
36 };
37
setup(void)38 static void setup(void)
39 {
40 unused_tid = tst_get_unused_pid();
41 }
42
run(unsigned int i)43 static 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
50 static struct tst_test test = {
51 .tcnt = ARRAY_SIZE(tc),
52 .needs_tmpdir = 1,
53 .setup = setup,
54 .test = run,
55 };
56