aboutsummaryrefslogtreecommitdiff
path: root/signal/tst-sigisemptyset.c
blob: f5e35e8c227cb7323f24fa7369f418e7ff17759d (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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
/* Tests for sigisemptyset/sigorset/sigandset.
   Copyright (C) 2020-2024 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <signal.h>

#include <support/check.h>

static int
do_test (void)
{
  {
    sigset_t set;
    sigemptyset (&set);
    TEST_COMPARE (sigisemptyset (&set), 1);
  }

  {
    sigset_t set;
    sigfillset (&set);
    TEST_COMPARE (sigisemptyset (&set), 0);
  }

  {
    sigset_t setfill, setempty, set;
    sigfillset (&setfill);
    sigemptyset (&setempty);

    sigorset (&set, &setfill, &setempty);
    TEST_COMPARE (sigisemptyset (&set), 0);

    sigandset (&set, &setfill, &setempty);
    TEST_COMPARE (sigisemptyset (&set), 1);
  }

  /* Ensure current SIG_BLOCK mask empty.  */
  {
    sigset_t set;
    sigemptyset (&set);
    TEST_COMPARE (sigprocmask (SIG_BLOCK, &set, 0), 0);
  }

  {
    sigset_t set;
    sigemptyset (&set);
    TEST_COMPARE (sigprocmask (SIG_BLOCK, 0, &set), 0);
    TEST_COMPARE (sigisemptyset (&set), 1);
  }

  {
    sigset_t set;
    sigfillset (&set);
    TEST_COMPARE (sigprocmask (SIG_BLOCK, 0, &set), 0);
    TEST_COMPARE (sigisemptyset (&set), 1);
  }

  /* Block all signals.  */
  {
    sigset_t set;
    sigfillset (&set);
    TEST_COMPARE (sigprocmask (SIG_BLOCK, &set, 0), 0);
  }

  {
    sigset_t set;
    sigemptyset (&set);
    TEST_COMPARE (sigpending (&set), 0);
    TEST_COMPARE (sigisemptyset (&set), 1);
  }

  {
    sigset_t set;
    sigfillset (&set);
    TEST_COMPARE (sigpending (&set), 0);
    TEST_COMPARE (sigisemptyset (&set), 1);
  }

  return 0;
}

#include <support/test-driver.c>