/* * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ #ifndef _MACH_SYNC_POLICY_H_ #define _MACH_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) #ifdef KERNEL_PRIVATE /* * These options provide addition (kernel-private) behaviors */ #define SYNC_POLICY_PREPOST 0x4 #define SYNC_POLICY_DISABLE_IRQ 0x8 /* * If the waitq is IRQ safe, 0x10 suggests it's a waitq embedded in turnstile. * If the waitq is not IRQ safe, 0x10 suggests it's a waitq of a port and should use it's turnstile safeq. */ #define SYNC_POLICY_TURNSTILE 0x10 #define SYNC_POLICY_PORT 0x10 #endif /* KERNEL_PRIVATE */ #define SYNC_POLICY_MAX 0x7 #endif /* _MACH_SYNC_POLICY_H_ */