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sched.h revision 1.3.2.1
      1  1.3.2.1    martin /*	$NetBSD: sched.h,v 1.3.2.1 2014/10/30 09:20:47 martin Exp $	*/
      2      1.2  riastrad 
      3      1.2  riastrad /*-
      4      1.2  riastrad  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      5      1.2  riastrad  * All rights reserved.
      6      1.2  riastrad  *
      7      1.2  riastrad  * This code is derived from software contributed to The NetBSD Foundation
      8      1.2  riastrad  * by Taylor R. Campbell.
      9      1.2  riastrad  *
     10      1.2  riastrad  * Redistribution and use in source and binary forms, with or without
     11      1.2  riastrad  * modification, are permitted provided that the following conditions
     12      1.2  riastrad  * are met:
     13      1.2  riastrad  * 1. Redistributions of source code must retain the above copyright
     14      1.2  riastrad  *    notice, this list of conditions and the following disclaimer.
     15      1.2  riastrad  * 2. Redistributions in binary form must reproduce the above copyright
     16      1.2  riastrad  *    notice, this list of conditions and the following disclaimer in the
     17      1.2  riastrad  *    documentation and/or other materials provided with the distribution.
     18      1.2  riastrad  *
     19      1.2  riastrad  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20      1.2  riastrad  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21      1.2  riastrad  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22      1.2  riastrad  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23      1.2  riastrad  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24      1.2  riastrad  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25      1.2  riastrad  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26      1.2  riastrad  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27      1.2  riastrad  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28      1.2  riastrad  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29      1.2  riastrad  * POSSIBILITY OF SUCH DAMAGE.
     30      1.2  riastrad  */
     31      1.2  riastrad 
     32      1.2  riastrad #ifndef _LINUX_SCHED_H_
     33      1.2  riastrad #define _LINUX_SCHED_H_
     34      1.2  riastrad 
     35      1.3  riastrad #include <sys/param.h>
     36      1.3  riastrad #include <sys/kernel.h>
     37      1.2  riastrad #include <sys/proc.h>
     38      1.2  riastrad 
     39      1.3  riastrad #define	TASK_COMM_LEN	MAXCOMLEN
     40      1.3  riastrad 
     41      1.2  riastrad #define	current	curproc
     42      1.2  riastrad 
     43      1.2  riastrad static inline pid_t
     44      1.2  riastrad task_pid_nr(struct proc *p)
     45      1.2  riastrad {
     46      1.2  riastrad 	return p->p_pid;
     47      1.2  riastrad }
     48      1.2  riastrad 
     49      1.3  riastrad static inline long
     50      1.3  riastrad schedule_timeout_uninterruptible(long timeout)
     51      1.3  riastrad {
     52      1.3  riastrad 	int start, end;
     53      1.3  riastrad 
     54  1.3.2.1    martin 	if (cold) {
     55  1.3.2.1    martin 		DELAY(timeout);
     56  1.3.2.1    martin 		return 0;
     57  1.3.2.1    martin 	}
     58  1.3.2.1    martin 
     59      1.3  riastrad 	start = hardclock_ticks;
     60      1.3  riastrad 	/* XXX Integer truncation...not likely to matter here.  */
     61      1.3  riastrad 	(void)kpause("loonix", false /*!intr*/, timeout, NULL);
     62      1.3  riastrad 	end = hardclock_ticks;
     63      1.3  riastrad 
     64  1.3.2.1    martin 	return (end - start) > 0 ? (end - start) : 0;
     65      1.3  riastrad }
     66      1.3  riastrad 
     67      1.2  riastrad #endif  /* _LINUX_SCHED_H_ */
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