1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) International Business Machines Corp., 2001
4 *
5 * 1) kill() fails with errno set to EINVAL if given an invalid signal.
6 * 2) kill() fails with errno set to ESRCH if given a non-existent pid.
7 * 3) kill() fails with errno set to ESRCH if the given pid is INT_MIN.
8 *
9 * HISTORY
10 * 07/2001 Ported by Wayne Boyer
11 */
12
13 #include <sys/types.h>
14 #include <signal.h>
15 #include <unistd.h>
16 #include "tst_test.h"
17
18 static pid_t real_pid, fake_pid, int_min_pid;
19
20 static struct tcase {
21 int test_sig;
22 int exp_errno;
23 pid_t *pid;
24 } tcases[] = {
25 {2000, EINVAL, &real_pid},
26 {SIGKILL, ESRCH, &fake_pid},
27 {SIGKILL, ESRCH, &int_min_pid}
28 };
29
verify_kill(unsigned int n)30 static void verify_kill(unsigned int n)
31 {
32 struct tcase *tc = &tcases[n];
33
34 TEST(kill(*tc->pid, tc->test_sig));
35 if (TST_RET != -1) {
36 tst_res(TFAIL, "kill should fail but not, return %ld", TST_RET);
37 return;
38 }
39
40 if (tc->exp_errno == TST_ERR)
41 tst_res(TPASS | TTERRNO, "kill failed as expected");
42 else
43 tst_res(TFAIL | TTERRNO, "kill expected %s but got",
44 tst_strerrno(tc->exp_errno));
45 }
46
setup(void)47 static void setup(void)
48 {
49 real_pid = getpid();
50 fake_pid = tst_get_unused_pid();
51 int_min_pid = INT_MIN;
52 }
53
54 static struct tst_test test = {
55 .test = verify_kill,
56 .tcnt = ARRAY_SIZE(tcases),
57 .setup = setup,
58 };
59