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70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/* $NetBSD: sched.h,v 1.5 2014/11/08 19:27:40 nonaka Exp $ */
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/*-
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* Copyright (c) 2013 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Taylor R. Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUX_SCHED_H_
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#define _LINUX_SCHED_H_
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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#define TASK_COMM_LEN MAXCOMLEN
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#define current curproc
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static inline pid_t
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task_pid_nr(struct proc *p)
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{
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return p->p_pid;
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}
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static inline long
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schedule_timeout_uninterruptible(long timeout)
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{
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long remain;
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int start, end;
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if (cold) {
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DELAY(timeout);
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return 0;
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}
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start = hardclock_ticks;
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/* XXX Integer truncation...not likely to matter here. */
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(void)kpause("loonix", false /*!intr*/, timeout, NULL);
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end = hardclock_ticks;
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remain = timeout - (end - start);
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return remain > 0 ? remain : 0;
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}
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#endif /* _LINUX_SCHED_H_ */
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