mirror of
https://github.com/geode-sdk/geode.git
synced 2024-12-02 12:17:10 -05:00
235 lines
7.6 KiB
C
235 lines
7.6 KiB
C
/*
|
|
* Copyright (c) 2000-2005 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@
|
|
*/
|
|
/*
|
|
* Mach Operating System
|
|
* Copyright (c) 1991,1990,1989,1988 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.
|
|
*/
|
|
/*
|
|
*/
|
|
|
|
#ifndef _MACH_POLICY_H_
|
|
#define _MACH_POLICY_H_
|
|
|
|
/*
|
|
* mach/policy.h
|
|
*
|
|
* Definitions for scheduing policy.
|
|
*/
|
|
|
|
/*
|
|
* All interfaces defined here are obsolete.
|
|
*/
|
|
|
|
#include <mach/boolean.h>
|
|
#include <mach/message.h>
|
|
#include <mach/vm_types.h>
|
|
|
|
/*
|
|
* Old scheduling control interface
|
|
*/
|
|
typedef int policy_t;
|
|
typedef integer_t *policy_info_t;
|
|
typedef integer_t *policy_base_t;
|
|
typedef integer_t *policy_limit_t;
|
|
|
|
/*
|
|
* Policy definitions. Policies should be powers of 2,
|
|
* but cannot be or'd together other than to test for a
|
|
* policy 'class'.
|
|
*/
|
|
#define POLICY_NULL 0 /* none */
|
|
#define POLICY_TIMESHARE 1 /* timesharing */
|
|
#define POLICY_RR 2 /* fixed round robin */
|
|
#define POLICY_FIFO 4 /* fixed fifo */
|
|
|
|
#define __NEW_SCHEDULING_FRAMEWORK__
|
|
|
|
/*
|
|
* Check if policy is of 'class' fixed-priority.
|
|
*/
|
|
#define POLICYCLASS_FIXEDPRI (POLICY_RR | POLICY_FIFO)
|
|
|
|
/*
|
|
* Check if policy is valid.
|
|
*/
|
|
#define invalid_policy(policy) \
|
|
((policy) != POLICY_TIMESHARE && \
|
|
(policy) != POLICY_RR && \
|
|
(policy) != POLICY_FIFO)
|
|
|
|
|
|
/*
|
|
* Types for TIMESHARE policy
|
|
*/
|
|
struct policy_timeshare_base {
|
|
integer_t base_priority;
|
|
};
|
|
struct policy_timeshare_limit {
|
|
integer_t max_priority;
|
|
};
|
|
struct policy_timeshare_info {
|
|
integer_t max_priority;
|
|
integer_t base_priority;
|
|
integer_t cur_priority;
|
|
boolean_t depressed;
|
|
integer_t depress_priority;
|
|
};
|
|
|
|
typedef struct policy_timeshare_base *policy_timeshare_base_t;
|
|
typedef struct policy_timeshare_limit *policy_timeshare_limit_t;
|
|
typedef struct policy_timeshare_info *policy_timeshare_info_t;
|
|
|
|
typedef struct policy_timeshare_base policy_timeshare_base_data_t;
|
|
typedef struct policy_timeshare_limit policy_timeshare_limit_data_t;
|
|
typedef struct policy_timeshare_info policy_timeshare_info_data_t;
|
|
|
|
|
|
#define POLICY_TIMESHARE_BASE_COUNT ((mach_msg_type_number_t) \
|
|
(sizeof(struct policy_timeshare_base)/sizeof(integer_t)))
|
|
#define POLICY_TIMESHARE_LIMIT_COUNT ((mach_msg_type_number_t) \
|
|
(sizeof(struct policy_timeshare_limit)/sizeof(integer_t)))
|
|
#define POLICY_TIMESHARE_INFO_COUNT ((mach_msg_type_number_t) \
|
|
(sizeof(struct policy_timeshare_info)/sizeof(integer_t)))
|
|
|
|
|
|
/*
|
|
* Types for the ROUND ROBIN (RR) policy
|
|
*/
|
|
struct policy_rr_base {
|
|
integer_t base_priority;
|
|
integer_t quantum;
|
|
};
|
|
struct policy_rr_limit {
|
|
integer_t max_priority;
|
|
};
|
|
struct policy_rr_info {
|
|
integer_t max_priority;
|
|
integer_t base_priority;
|
|
integer_t quantum;
|
|
boolean_t depressed;
|
|
integer_t depress_priority;
|
|
};
|
|
|
|
typedef struct policy_rr_base *policy_rr_base_t;
|
|
typedef struct policy_rr_limit *policy_rr_limit_t;
|
|
typedef struct policy_rr_info *policy_rr_info_t;
|
|
|
|
typedef struct policy_rr_base policy_rr_base_data_t;
|
|
typedef struct policy_rr_limit policy_rr_limit_data_t;
|
|
typedef struct policy_rr_info policy_rr_info_data_t;
|
|
|
|
#define POLICY_RR_BASE_COUNT ((mach_msg_type_number_t) \
|
|
(sizeof(struct policy_rr_base)/sizeof(integer_t)))
|
|
#define POLICY_RR_LIMIT_COUNT ((mach_msg_type_number_t) \
|
|
(sizeof(struct policy_rr_limit)/sizeof(integer_t)))
|
|
#define POLICY_RR_INFO_COUNT ((mach_msg_type_number_t) \
|
|
(sizeof(struct policy_rr_info)/sizeof(integer_t)))
|
|
|
|
|
|
/*
|
|
* Types for the FIRST-IN-FIRST-OUT (FIFO) policy
|
|
*/
|
|
struct policy_fifo_base {
|
|
integer_t base_priority;
|
|
};
|
|
struct policy_fifo_limit {
|
|
integer_t max_priority;
|
|
};
|
|
struct policy_fifo_info {
|
|
integer_t max_priority;
|
|
integer_t base_priority;
|
|
boolean_t depressed;
|
|
integer_t depress_priority;
|
|
};
|
|
|
|
typedef struct policy_fifo_base *policy_fifo_base_t;
|
|
typedef struct policy_fifo_limit *policy_fifo_limit_t;
|
|
typedef struct policy_fifo_info *policy_fifo_info_t;
|
|
|
|
typedef struct policy_fifo_base policy_fifo_base_data_t;
|
|
typedef struct policy_fifo_limit policy_fifo_limit_data_t;
|
|
typedef struct policy_fifo_info policy_fifo_info_data_t;
|
|
|
|
#define POLICY_FIFO_BASE_COUNT ((mach_msg_type_number_t) \
|
|
(sizeof(struct policy_fifo_base)/sizeof(integer_t)))
|
|
#define POLICY_FIFO_LIMIT_COUNT ((mach_msg_type_number_t) \
|
|
(sizeof(struct policy_fifo_limit)/sizeof(integer_t)))
|
|
#define POLICY_FIFO_INFO_COUNT ((mach_msg_type_number_t) \
|
|
(sizeof(struct policy_fifo_info)/sizeof(integer_t)))
|
|
|
|
/*
|
|
* Aggregate policy types
|
|
*/
|
|
|
|
struct policy_bases {
|
|
policy_timeshare_base_data_t ts;
|
|
policy_rr_base_data_t rr;
|
|
policy_fifo_base_data_t fifo;
|
|
};
|
|
|
|
struct policy_limits {
|
|
policy_timeshare_limit_data_t ts;
|
|
policy_rr_limit_data_t rr;
|
|
policy_fifo_limit_data_t fifo;
|
|
};
|
|
|
|
struct policy_infos {
|
|
policy_timeshare_info_data_t ts;
|
|
policy_rr_info_data_t rr;
|
|
policy_fifo_info_data_t fifo;
|
|
};
|
|
|
|
typedef struct policy_bases policy_base_data_t;
|
|
typedef struct policy_limits policy_limit_data_t;
|
|
typedef struct policy_infos policy_info_data_t;
|
|
|
|
#endif /* _MACH_POLICY_H_ */
|