/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2018, Matthew Macy <mmacy@freebsd.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: releng/12.4/sys/sys/kpilite.h 335882 2018-07-03 04:02:40Z mmacy $
 */

#ifndef _SYS_KPILITE_H_
#define _SYS_KPILITE_H_
#if !defined(GENOFFSET) && (!defined(KLD_MODULE) || defined(KLD_TIED)) && defined(_KERNEL)
#include "offset.inc"

static __inline void
sched_pin_lite(struct thread_lite *td)
{

	KASSERT((struct thread *)td == curthread, ("sched_pin called on non curthread"));
	td->td_pinned++;
	__compiler_membar();
}

static __inline void
sched_unpin_lite(struct thread_lite *td)
{

	KASSERT((struct thread *)td == curthread, ("sched_unpin called on non curthread"));
	KASSERT(td->td_pinned > 0, ("sched_unpin called on non pinned thread"));
	__compiler_membar();
	td->td_pinned--;
	__compiler_membar();
}
#endif
#endif