[apple/xnu.git] / osfmk / kern / call_entry.h

/*
 * Copyright (c) 1993-1995, 1999-2000 Apple Computer, Inc.
 * All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Private declarations for thread-based callouts.
 *
 * HISTORY
 *
 * 10 July 1999 (debo)
 *  Pulled into Mac OS X (microkernel).
 *
 * 3 July 1993 (debo)
 *	Created.
 */

#ifndef _KERN_CALL_ENTRY_H_
#define _KERN_CALL_ENTRY_H_

#ifdef MACH_KERNEL_PRIVATE
#include <kern/queue.h>

typedef void			*call_entry_param_t;
typedef void			(*call_entry_func_t)(
								call_entry_param_t		param0,
								call_entry_param_t		param1);

typedef struct call_entry {
    queue_chain_t		q_link;
    call_entry_func_t	func;
    call_entry_param_t	param0;
    call_entry_param_t	param1;
    uint64_t			deadline;
    enum {
	  IDLE,
	  PENDING,
	  DELAYED }			state;
} call_entry_data_t;

#define	call_entry_setup(entry, pfun, p0)				\
MACRO_BEGIN												\
	(entry)->func		= (call_entry_func_t)(pfun);	\
	(entry)->param0		= (call_entry_param_t)(p0);		\
	(entry)->state		= IDLE;							\
MACRO_END

#endif /* MACH_KERNEL_PRIVATE */

#endif /* _KERN_CALL_ENTRY_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 1993-1995, 1999-2000 Apple Computer, Inc.
	3	* All rights reserved.
	4	*
	5	* @APPLE_LICENSE_HEADER_START@
	6	*
	7	* The contents of this file constitute Original Code as defined in and
	8	* are subject to the Apple Public Source License Version 1.1 (the
	9	* "License"). You may not use this file except in compliance with the
	10	* License. Please obtain a copy of the License at
	11	* http://www.apple.com/publicsource and read it before using this file.
	12	*
	13	* This Original Code and all software distributed under the License are
	14	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	18	* License for the specific language governing rights and limitations
	19	* under the License.
	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*/
	23	/*
	24	* Private declarations for thread-based callouts.
	25	*
	26	* HISTORY
	27	*
	28	* 10 July 1999 (debo)
	29	* Pulled into Mac OS X (microkernel).
	30	*
	31	* 3 July 1993 (debo)
	32	* Created.
	33	*/
	34
	35	#ifndef _KERN_CALL_ENTRY_H_
	36	#define _KERN_CALL_ENTRY_H_
	37
	38	#ifdef MACH_KERNEL_PRIVATE
	39	#include <kern/queue.h>
	40
	41	typedef void *call_entry_param_t;
	42	typedef void (*call_entry_func_t)(
	43	call_entry_param_t param0,
	44	call_entry_param_t param1);
	45
	46	typedef struct call_entry {
	47	queue_chain_t q_link;
	48	call_entry_func_t func;
	49	call_entry_param_t param0;
	50	call_entry_param_t param1;
0b4e3aa0	51	uint64_t deadline;
1c79356b A	52	enum {
	53	IDLE,
	54	PENDING,
	55	DELAYED } state;
	56	} call_entry_data_t;
	57
	58	#define call_entry_setup(entry, pfun, p0) \
	59	MACRO_BEGIN \
	60	(entry)->func = (call_entry_func_t)(pfun); \
	61	(entry)->param0 = (call_entry_param_t)(p0); \
	62	(entry)->state = IDLE; \
	63	MACRO_END
	64
	65	#endif /* MACH_KERNEL_PRIVATE */
	66
	67	#endif /* _KERN_CALL_ENTRY_H_ */