ardix/arch/at91sam3x8e/atomic.c

/* See the end of this file for copyright, license, and warranty information. */

#include <ardix/atomic.h>
#include <ardix/atom.h>

static ATOM_DEFINE(atomic_context);

void atomic_enter(void)
{
	atom_get(&atomic_context);
}

void atomic_leave(void)
{
	atom_put(&atomic_context);
}

int is_atomic_context(void)
{
	return atom_count(&atomic_context);
}

/*
 * This file is part of Ardix.
 * Copyright (c) 2020, 2021 Felix Kopp <owo@fef.moe>.
 *
 * Ardix is non-violent software: you may only use, redistribute,
 * and/or modify it under the terms of the CNPLv6+ as found in
 * the LICENSE file in the source code root directory or at
 * <https://git.pixie.town/thufie/CNPL>.
 *
 * Ardix comes with ABSOLUTELY NO WARRANTY, to the extent
 * permitted by applicable law.  See the CNPLv6+ for details.
 */