freebsd-dev/sys/compat/linuxkpi/common/include/linux/preempt.h
Johannes Lundberg 6da2681fbc LinuxKPI: Add in_task macro.
This patch is part of D19565

Reviewed by:	hps, bwidawsk
Approved by:	imp (mentor), hps
Obtained from:	bwidawsk
MFC after:	1 week
2019-05-16 21:07:37 +00:00

43 lines
1.7 KiB
C

/*-
* Copyright (c) 2017 Mellanox Technologies, Ltd.
* All rights reserved.
*
* 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 unmodified, 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 ``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 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 _LINUX_PREEMPT_H_
#define _LINUX_PREEMPT_H_
#include <linux/list.h>
#define in_interrupt() \
(curthread->td_intr_nesting_level || curthread->td_critnest)
#define in_task() (curthread->td_priority >= PI_SOFT)
#define preempt_disable() critical_enter()
#define preempt_enable() critical_exit()
#endif /* _LINUX_PREEMPT_H_ */