blob: cd781f19395d14dae3a06d334f4a647e50355812 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
/*
* Check that the specified signal number is blocked/unblocked.
*
* Copyright (c) 2017-2018 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <signal.h>
#include <stdlib.h>
int
main(int ac, char **av)
{
if (ac != 3)
error_msg_and_fail("usage: check_sigblock 0|1 signum");
const int block = !!atoi(av[1]);
const int signum = atoi(av[2]);
sigset_t mask;
sigemptyset(&mask);
if (sigprocmask(SIG_SETMASK, NULL, &mask))
perror_msg_and_fail("sigprocmask");
return block ^ sigismember(&mask, signum);
}
|
