android13/external/ltp/testcases/kernel/syscalls/kill/kill03.c

59 lines
1.3 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) International Business Machines Corp., 2001
*
* 1) kill() fails with errno set to EINVAL if given an invalid signal.
* 2) kill() fails with errno set to ESRCH if given a non-existent pid.
* 3) kill() fails with errno set to ESRCH if the given pid is INT_MIN.
*
* HISTORY
* 07/2001 Ported by Wayne Boyer
*/
#include <sys/types.h>
#include <signal.h>
#include <unistd.h>
#include "tst_test.h"
static pid_t real_pid, fake_pid, int_min_pid;
static struct tcase {
int test_sig;
int exp_errno;
pid_t *pid;
} tcases[] = {
{2000, EINVAL, &real_pid},
{SIGKILL, ESRCH, &fake_pid},
{SIGKILL, ESRCH, &int_min_pid}
};
static void verify_kill(unsigned int n)
{
struct tcase *tc = &tcases[n];
TEST(kill(*tc->pid, tc->test_sig));
if (TST_RET != -1) {
tst_res(TFAIL, "kill should fail but not, return %ld", TST_RET);
return;
}
if (tc->exp_errno == TST_ERR)
tst_res(TPASS | TTERRNO, "kill failed as expected");
else
tst_res(TFAIL | TTERRNO, "kill expected %s but got",
tst_strerrno(tc->exp_errno));
}
static void setup(void)
{
real_pid = getpid();
fake_pid = tst_get_unused_pid();
int_min_pid = INT_MIN;
}
static struct tst_test test = {
.test = verify_kill,
.tcnt = ARRAY_SIZE(tcases),
.setup = setup,
};