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 #include <sys/syscall.h>
24
25 #include "lapi/syscalls.h"
26 #include "tst_test.h"
27
28 static pid_t unused_tid;
29 static pid_t inval_tid = -1;
30
31 struct test_case_t {
32 int *tid;
33 int exp_errno;
34 } tc[] = {
35 {&inval_tid, EINVAL},
36 {&unused_tid, ESRCH}
37 };
38
setup(void)39 static void setup(void)
40 {
41 unused_tid = tst_get_unused_pid();
42 }
43
run(unsigned int i)44 static void run(unsigned int i)
45 {
46 TST_EXP_FAIL(tst_syscall(__NR_tkill, *(tc[i].tid), SIGUSR1),
47 tc[i].exp_errno, "tst_syscall(__NR_tkill) expecting %s",
48 tst_strerrno(tc[i].exp_errno));
49 }
50
51 static struct tst_test test = {
52 .tcnt = ARRAY_SIZE(tc),
53 .needs_tmpdir = 1,
54 .setup = setup,
55 .test = run,
56 };
57