/*
 * Mach Operating System
 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
 * All Rights Reserved.
 *
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */

#include <sys/types.h>
#include <mach/mach_types.h>
#include <kern/kern_types.h>

#ifndef	_KERN_SYSCALL_SUBR_H_
#define _KERN_SYSCALL_SUBR_H_

extern int	swtch(void);
extern int	swtch_pri(int);
extern int	thread_switch(mach_port_t, int, mach_msg_timeout_t);
extern void	thread_depress_timeout(thread_t);
extern kern_return_t thread_depress_abort(thread_t);
extern void	mach_print(const char *);
extern void thread_depress_priority(thread_t thread, mach_msg_timeout_t depress_time);

#endif	/* _KERN_SYSCALL_SUBR_H_ */