56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
/*-
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#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
|