Source to osfmk/mach/thread_switch.h

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/* 
 * Mach Operating System
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/*
 */

#ifndef	_MACH_THREAD_SWITCH_H_
#define	_MACH_THREAD_SWITCH_H_

#include <mach/mach_types.h>
#include <mach/kern_return.h>
#include <mach/message.h>

/*
 *	Constant definitions for thread_switch trap.
 */

#define	SWITCH_OPTION_NONE			0
#define SWITCH_OPTION_DEPRESS		1
#define SWITCH_OPTION_WAIT			2

#define valid_switch_option(opt)	(0 <= (opt) && (opt) <= 2)

extern kern_return_t	thread_switch(
							mach_port_name_t	thread_name,
							int					option,
							mach_msg_timeout_t	option_time);
     
#endif	/* _MACH_THREAD_SWITCH_H_ */