61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* Test of spin locks for communication between threads and signal handlers.
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Copyright (C) 2005, 2008-2026 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2020. */
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#include <config.h>
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/* Specification. */
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#include "asyncsafe-spin.h"
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#include <signal.h>
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asyncsafe_spinlock_t global_spin_lock = ASYNCSAFE_SPIN_INIT;
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int
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main (void)
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{
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sigset_t set;
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sigemptyset (&set);
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sigaddset (&set, SIGINT);
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/* Check a spin-lock initialized through the constant initializer. */
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{
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sigset_t saved_set;
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asyncsafe_spin_lock (&global_spin_lock, false, &set, &saved_set);
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asyncsafe_spin_unlock (&global_spin_lock, false, &saved_set);
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}
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/* Check a spin-lock initialized through asyncsafe_spin_init. */
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{
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asyncsafe_spinlock_t local_spin_lock;
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asyncsafe_spin_init (&local_spin_lock);
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for (int i = 0; i < 10; i++)
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{
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sigset_t saved_set;
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asyncsafe_spin_lock (&local_spin_lock, false, &set, &saved_set);
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asyncsafe_spin_unlock (&local_spin_lock, false, &saved_set);
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}
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asyncsafe_spin_destroy (&local_spin_lock);
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}
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return 0;
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}
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