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/* Test of spin locks for communication between threads and signal handlers.
Copyright (C) 2005, 2008-2023 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2020. */
#include <config.h>
/* Specification. */
#include "asyncsafe-spin.h"
#include <signal.h>
asyncsafe_spinlock_t global_spin_lock = ASYNCSAFE_SPIN_INIT;
int
main (void)
{
sigset_t set;
sigemptyset (&set);
sigaddset (&set, SIGINT);
/* Check a spin-lock initialized through the constant initializer. */
{
sigset_t saved_set;
asyncsafe_spin_lock (&global_spin_lock, &set, &saved_set);
asyncsafe_spin_unlock (&global_spin_lock, &saved_set);
}
/* Check a spin-lock initialized through asyncsafe_spin_init. */
{
asyncsafe_spinlock_t local_spin_lock;
int i;
asyncsafe_spin_init (&local_spin_lock);
for (i = 0; i < 10; i++)
{
sigset_t saved_set;
asyncsafe_spin_lock (&local_spin_lock, &set, &saved_set);
asyncsafe_spin_unlock (&local_spin_lock, &saved_set);
}
asyncsafe_spin_destroy (&local_spin_lock);
}
return 0;
}
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