mirror of git://sourceware.org/git/glibc.git
107 lines
2.4 KiB
C
107 lines
2.4 KiB
C
/* Tests for sigisemptyset/sigorset/sigandset.
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Copyright (C) 2020-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <signal.h>
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#include <support/check.h>
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static int
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do_test (void)
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{
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{
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sigset_t set;
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sigemptyset (&set);
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TEST_COMPARE (sigisemptyset (&set), 1);
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}
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{
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sigset_t set;
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sigfillset (&set);
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TEST_COMPARE (sigisemptyset (&set), 0);
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}
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{
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sigset_t setfill, setempty, set;
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sigfillset (&setfill);
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sigemptyset (&setempty);
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sigorset (&set, &setfill, &setempty);
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TEST_COMPARE (sigisemptyset (&set), 0);
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sigandset (&set, &setfill, &setempty);
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TEST_COMPARE (sigisemptyset (&set), 1);
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}
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/* Ensure current SIG_BLOCK mask empty. */
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{
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sigset_t set;
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sigemptyset (&set);
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TEST_COMPARE (sigprocmask (SIG_BLOCK, &set, 0), 0);
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}
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{
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sigset_t set;
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sigemptyset (&set);
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TEST_COMPARE (sigprocmask (SIG_BLOCK, 0, &set), 0);
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TEST_COMPARE (sigisemptyset (&set), 1);
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}
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{
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sigset_t set;
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sigfillset (&set);
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TEST_COMPARE (sigprocmask (SIG_BLOCK, 0, &set), 0);
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TEST_COMPARE (sigisemptyset (&set), 1);
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}
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/* Block all signals. */
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{
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sigset_t set;
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sigfillset (&set);
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TEST_COMPARE (sigprocmask (SIG_BLOCK, &set, 0), 0);
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}
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{
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sigset_t set;
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sigemptyset (&set);
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TEST_COMPARE (sigpending (&set), 0);
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TEST_COMPARE (sigisemptyset (&set), 1);
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}
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{
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sigset_t set;
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sigfillset (&set);
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TEST_COMPARE (sigpending (&set), 0);
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TEST_COMPARE (sigisemptyset (&set), 1);
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}
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{
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sigset_t set;
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for (int sig = 1; sig <= NSIG; sig++)
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{
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sigemptyset (&set);
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if (sigaddset (&set, sig) < 0)
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continue;
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TEST_COMPARE (sigisemptyset (&set), 0);
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}
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}
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return 0;
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}
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#include <support/test-driver.c>
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