[apple/xnu.git] / osfmk / mach / sync_policy.h

/*
 * Copyright (c) 2000-2002 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@
 */
/*
 * @OSF_COPYRIGHT@
 */

#ifndef	_SYNC_POLICY_H_
#define _SYNC_POLICY_H_

typedef int sync_policy_t;

/*
 *	These options define the wait ordering of the synchronizers
 */
#define SYNC_POLICY_FIFO		0x0
#define SYNC_POLICY_FIXED_PRIORITY	0x1
#define SYNC_POLICY_REVERSED		0x2
#define SYNC_POLICY_ORDER_MASK		0x3
#define SYNC_POLICY_LIFO		(SYNC_POLICY_FIFO|SYNC_POLICY_REVERSED)

/*
 *	These options provide addition (kernel-private) behaviors
 */
#ifdef	KERNEL_PRIVATE
#include <sys/appleapiopts.h>

#ifdef  __APPLE_API_EVOLVING

#define SYNC_POLICY_PREPOST		0x4

#endif  /* __APPLE_API_EVOLVING */

#endif 	/* KERNEL_PRIVATE */

#define SYNC_POLICY_MAX			0x7

#endif 	/*_SYNC_POLICY_H_*/
Commit	Line	Data
1c79356b	1	/*
9bccf70c	2	* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
1c79356b A	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
	11	*
	12	* This Original Code and all software distributed under the License are
	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* @OSF_COPYRIGHT@
	24	*/
	25
	26	#ifndef _SYNC_POLICY_H_
	27	#define _SYNC_POLICY_H_
	28
	29	typedef int sync_policy_t;
	30
9bccf70c A	31	/*
	32	* These options define the wait ordering of the synchronizers
	33	*/
	34	#define SYNC_POLICY_FIFO 0x0
	35	#define SYNC_POLICY_FIXED_PRIORITY 0x1
	36	#define SYNC_POLICY_REVERSED 0x2
	37	#define SYNC_POLICY_ORDER_MASK 0x3
	38	#define SYNC_POLICY_LIFO (SYNC_POLICY_FIFO\|SYNC_POLICY_REVERSED)
	39
	40	/*
	41	* These options provide addition (kernel-private) behaviors
	42	*/
	43	#ifdef KERNEL_PRIVATE
	44	#include <sys/appleapiopts.h>
	45
	46	#ifdef __APPLE_API_EVOLVING
	47
	48	#define SYNC_POLICY_PREPOST 0x4
	49
	50	#endif /* __APPLE_API_EVOLVING */
	51
	52	#endif /* KERNEL_PRIVATE */
	53
	54	#define SYNC_POLICY_MAX 0x7
1c79356b A	55
1c79356b A	56	#endif /_SYNC_POLICY_H_/