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Cider Isn't Darwin Emulation, Really
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185/* * Copyright (c) 2010 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@ */
#ifndef _SYS_PROCESS_POLICY_H#define _SYS_PROCESS_POLICY_H
#include <sys/cdefs.h>#include <sys/param.h>#include <sys/types.h>#include <stdint.h>
#ifndef XNU_KERNEL_PRIVATE#include <TargetConditionals.h>#endif
__BEGIN_DECLS
/* defns of scope */#define PROC_POLICY_SCOPE_PROCESS 1 /* the policy setting is for process wide effect */#define PROC_POLICY_SCOPE_THREAD 2 /* the policy setting is for thread inside a proc */
/* defns of actions with no attributes */#define PROC_POLICY_ACTION_APPLY 1 /* enforce the set policy */#define PROC_POLICY_ACTION_RESTORE 2 /* revert the applied action back */#define PROC_POLICY_ACTION_DENYINHERIT 3 /* set for no inheritence of the specified policy */#define PROC_POLICY_ACTION_DENYSELFSET 4 /* set for the process to set its own policy */#define PROC_POLICY_ACTION_ENABLE 5 /* enable policy and its actions */#define PROC_POLICY_ACTION_DISABLE 6 /* disable policy and its actions, also clears any actions that have already happened *//* defns of actions with attributes */#define PROC_POLICY_ACTION_SET 10 /* set the policy attributes */#define PROC_POLICY_ACTION_GET 11 /* get the policy attributes */#define PROC_POLICY_ACTION_ADD 12 /* add a policy attribute */#define PROC_POLICY_ACTION_REMOVE 13 /* remove a policy attribute */#define PROC_POLICY_ACTION_HOLD 14 /* hold an importance boost assertion */#define PROC_POLICY_ACTION_DROP 15 /* drop an importance boost assertion */
/* policies */#define PROC_POLICY NONE 0#define PROC_POLICY_BACKGROUND 1 /* darwin background policy */#define PROC_POLICY_HARDWARE_ACCESS 2 /* access to various hardware */#define PROC_POLICY_RESOURCE_STARVATION 3 /* behavior on resource starvation */#define PROC_POLICY_RESOURCE_USAGE 4 /* behavior on resource consumption */#define PROC_POLICY_RESERVED 5 /* behavior on resource consumption */#define PROC_POLICY_APPTYPE 6 /* behavior on resource consumption */#define PROC_POLICY_BOOST 7 /* importance boost/drop */
/* sub policies for background policy */#define PROC_POLICY_BG_NONE 0 /* none */#define PROC_POLICY_BG_LOWCPUPRI 1 /* Low cpu priority */#define PROC_POLICY_BG_DISKTHROTTLE 2 /* disk accesses throttled */#define PROC_POLICY_BG_NETTHROTTLE 4 /* network accesses throttled */#define PROC_POLICY_BG_GPUDENY 8 /* no access to GPU */#define PROC_POLICY_BG_ALL 0x07#define PROC_POLICY_BG_DEFAULT PROC_POLICY_BG_ALL
/* sub policies for hardware */#define PROC_POLICY_HWACCESS_NONE 0#define PROC_POLICY_HWACCESS_DISK 1 /* disk access */#define PROC_POLICY_HWACCESS_GPU 2 /* GPU access */#define PROC_POLICY_HWACCESS_NETWORK 3 /* network access */#define PROC_POLICY_HWACCESS_CPU 4 /* cpu access */
/* attribute values for disk hardware access, bit different as it should reflect IOPOL_XXX */#define PROC_POLICY_DISKACC_NONE 0#define PROC_POLICY_DISKACC_NORMAL 1 /* normal access to the disk */#define PROC_POLICY_DISKACC_FULLACCESS 1 /* normal access to the disk */#define PROC_POLICY_DISKACC_PASSIVE 2 /* treat the I/Os as passive */#define PROC_POLICY_DISKACC_THROTTLE 3 /* throttle the disk IOs */#define PROC_POLICY_DISKACC_DEFAULT PROC_POLICY_DISKACC_FULLACCESS
/* attribute values for GPU hardware access */#define PROC_POLICY_GPUACC_NONE 0#define PROC_POLICY_GPUACC_FULLACCESS 0 /* complete access to the GPU */#define PROC_POLICY_GPUACC_DENYACCESS 1 /* deny any access to the GPU */#define PROC_POLICY_GPUACC_DEFAULT PROC_POLICY_GPUACC_FULLACCESS /* default is complete access */
/* atrribute values for network hardware access */#define PROC_POLICY_NETACC_NONE 0#define PROC_POLICY_NETACC_FULLACCESS 0 /* complete access to the network */#define PROC_POLICY_NETACC_THROTTLE 1 /* throttle access to network */#define PROC_POLICY_NETACC_DEFAULT PROC_POLICY_NETACC_FULLACCESS /* default is complete access */
/* atrribute values for network hardware access */#define PROC_POLICY_CPUACC_NONE 0#define PROC_POLICY_CPUACC_FULLACCESS 0 /* access to all avialable cpus */#define PROC_POLICY_CPUACC_ONE 1 /* access to only one available cpu */#define PROC_POLICY_CPUACC_LLCACHE 2 /* access to only one last level cache */#define PROC_POLICY_CPUACC_DEFAULT PROC_POLICY_CPUACC_FULLACCESS /* default is access to all cpus */
/* System Resource management (ie usage and starvation related) definitions */
/* sub policies for resource starvation */#define PROC_POLICY_RS_NONE 0#define PROC_POLICY_RS_VIRTUALMEM 1 /* virtual memory starvation */
/* sub policies for resource usage */#define PROC_POLICY_RUSAGE_NONE 0#define PROC_POLICY_RUSAGE_WIREDMEM 1 /* wired memory usages */#define PROC_POLICY_RUSAGE_VIRTMEM 2 /* virtual memory usage */#define PROC_POLICY_RUSAGE_CPU 3 /* amount of cpu usage */#define PROC_POLICY_RUSAGE_DISK 4 /* amount of disk usage */#define PROC_POLICY_RUSAGE_NETWORK 5 /* amount of network usage */#define PROC_POLICY_RUSAGE_POWER 6 /* amount of power/battery consumption */
/* attribute values for the resource usage and low resource - MUST match corresponding task definitions */#define PROC_POLICY_RSRCACT_NONE 0#define PROC_POLICY_RSRCACT_THROTTLE 1 /* throttle on resource condition */#define PROC_POLICY_RSRCACT_SUSPEND 2 /* suspend on resource condition */#define PROC_POLICY_RSRCACT_TERMINATE 3 /* kill on resource condition */#define PROC_POLICY_RSRCACT_NOTIFY_KQ 4 /* send kqueue notification */#define PROC_POLICY_RSRCACT_NOTIFY_EXC 5 /* send exception */
#define PROC_POLICY_CPUMON_DISABLE 0xFF /* Disable CPU usage monitor */#define PROC_POLICY_CPUMON_DEFAULTS 0xFE /* Set default CPU usage monitor params */
/* sub policies for importance boost/drop */#define PROC_POLICY_IMP_IMPORTANT 1 /* Important-level boost */#define PROC_POLICY_IMP_STANDARD 2 /* Standard-level boost */#define PROC_POLICY_IMP_DONATION 3 /* Mark a task as an importance source */
typedef struct proc_policy_attribute { uint32_t ppattr_attribute; /* the policy attribute to be modified or returned */ uint32_t ppattr_resv; /* pad field */ uint64_t ppattr_value1; /* 64bit policy specific attribute */ uint64_t ppattr_value2; /* 64bit policy specific attribute */ uint64_t ppattr_value3; /* 64bit policy specific attribute */ uint64_t ppattr_resv1[4]; /* reserved for future use */} proc_policy_attribute_t;
typedef struct proc_policy_cpuusage_attr { uint32_t ppattr_cpu_attr ; /* specified action as in PROC_POLICY_RSRCACT_xx */ uint32_t ppattr_cpu_percentage; /* percentage of interval */ uint64_t ppattr_cpu_attr_interval; /* 64bit interval in nsecs */ uint64_t ppattr_cpu_attr_deadline; /* 64bit deadline in nsecs */} proc_policy_cpuusage_attr_t;
/* sub policies for PROC_POLICY_APPTYPE */#define PROC_POLICY_APPTYPE_NONE 0 /* does nothing.. */#define PROC_POLICY_APPTYPE_MODIFY 1 /* sets the app to various lifecycle states */
/* exported apptypes for PROC_POLICY_APPTYPE */#define PROC_POLICY_OSX_APPTYPE_TAL 1 /* TAL-launched app */
#define PROC_POLICY_OSX_APPTYPE_DASHCLIENT 2 /* Dashboard client (deprecated) */#define PROC_POLICY_IOS_DONATEIMP 6 /* donates priority imp (deprecated) */#define PROC_POLICY_IOS_HOLDIMP 7 /* hold importance assertion (deprecated) */#define PROC_POLICY_IOS_DROPIMP 8 /* drop importance assertion (deprecated) */
#ifndef KERNELint process_policy(int scope, int action, int policy, int policy_subtype, proc_policy_attribute_t * attrp, pid_t target_pid, uint64_t target_threadid);#endif /* KERNEL */
__END_DECLS
#endif /*_SYS_PROCESS_POLICY_H */