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/* 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);
}
{
sigset_t set;
for (int sig = 1; sig <= NSIG; sig++)
{
sigemptyset (&set);
if (sigaddset (&set, sig) < 0)
continue;
TEST_COMPARE (sigisemptyset (&set), 0);
}
}
return 0;
}
#include <support/test-driver.c>
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