1/* Copyright (C) 2003-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <errno.h>
19#include <signal.h>
20#include <stdio.h>
21#include <string.h>
22#include <libc-diag.h>
23
24/* The sighold and sigrelse functions are deprecated. */
25DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wdeprecated-declarations");
26
27static int
28do_test (void)
29{
30 int result = 0;
31 int e;
32
33#define RUN(test) \
34 errno = 0; \
35 e = test; \
36 if (e != -1) \
37 { \
38 printf ("%s returned %d\n", #test, e); \
39 result = 1; \
40 } \
41 else if (errno != EINVAL) \
42 { \
43 printf ("%s didn't set errno to EINVAL (%s instead)\n", \
44 #test, strerror (errno)); \
45 result = 1; \
46 }
47
48 RUN (sighold (-1));
49 RUN (sighold (_NSIG + 100));
50
51 RUN (sigrelse (-1));
52 RUN (sigrelse (_NSIG + 100));
53
54 return result;
55}
56
57#define TEST_FUNCTION do_test ()
58#include "../test-skeleton.c"
59

source code of glibc/signal/tst-sigsimple.c