xnu-6153.141.1.tar.gz

[apple/xnu.git] / bsd / sys / process_policy.h

diff --git a/bsd/sys/process_policy.h b/bsd/sys/process_policy.h
index d9ad4827286878d7a83e5ff0e633d58cdec2c367..8ba38fb1985f82a2fcfbfa19a428446f2d434366 100644 (file)
--- a/bsd/sys/process_policy.h
+++ b/bsd/sys/process_policy.h
@@ -2,7 +2,7 @@
  * Copyright (c) 2010 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 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
  * 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


@@ -11,10 +11,10 @@
  * 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.
  * 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.
  * 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,
  * 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,


@@ -22,7 +22,7 @@
  * 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.
  * 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@
  */
 
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 


@@ -34,163 +34,163 @@
 #include <sys/types.h>
 #include <stdint.h>
 
 #include <sys/types.h>
 #include <stdint.h>
 

+#ifndef XNU_KERNEL_PRIVATE
+#include <TargetConditionals.h>
+#endif
+

 __BEGIN_DECLS
 
 /* defns of scope */
 __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 */
+#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 */
 
 /* 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 */
+#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 */
 /* 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_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
 
 /* 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 */
-#if CONFIG_EMBEDDED
-#define PROC_POLICY_APP_LIFECYCLE      5       /* app life cycle management */
+#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 */
+#if CONFIG_EMBEDDED || (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
+#define PROC_POLICY_APP_LIFECYCLE       5       /* app life cycle management */

 #else /* CONFIG_EMBEDDED */
 #else /* CONFIG_EMBEDDED */

-#define PROC_POLICY_RESERVED           5       /* behavior on resource consumption */
+#define PROC_POLICY_RESERVED            5       /* behavior on resource consumption */

 #endif /* CONFIG_EMBEDDED */
 #endif /* CONFIG_EMBEDDED */

-#define PROC_POLICY_APPTYPE            6       /* 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 */
 
 /* 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 */
-#if CONFIG_EMBEDDED
+#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 */
+#if CONFIG_EMBEDDED || (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)

 #define PROC_POLICY_BG_ALL            0x0F
 #else /* CONFIG_EMBEDDED */
 #define PROC_POLICY_BG_ALL            0x07
 #endif /* CONFIG_EMBEDDED */
 #define PROC_POLICY_BG_ALL            0x0F
 #else /* CONFIG_EMBEDDED */
 #define PROC_POLICY_BG_ALL            0x07
 #endif /* CONFIG_EMBEDDED */

-#define PROC_POLICY_BG_DEFAULT         PROC_POLICY_BG_ALL
+#define PROC_POLICY_BG_DEFAULT          PROC_POLICY_BG_ALL

 
 /* sub policies for hardware */
 
 /* 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 */
+#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 */
 
 /* 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
+#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 */
 
 /* 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 */
+#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 */
 
 /* 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 */
+#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 */
 
 /* 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 */
+#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 */
 
 
 /* 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 */
+#define PROC_POLICY_RS_NONE             0
+#define PROC_POLICY_RS_VIRTUALMEM       1       /* virtual memory starvation */

 
 /* sub policies for resource usage */
 
 /* 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 */
+#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 */
 
 /* 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_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 */

 
 

-/* type of resource for kqueue notifiction */
-#define PROC_POLICY_RSRTYPE_CPU                1
-#define PROC_POLICY_RSRTYPE_WIREDMEM   2
-#define PROC_POLICY_RSRTYPE_VIRTUALMEM 4
-#define PROC_POLICY_RSRTYPE_DISK       8
-#define PROC_POLICY_RSRTYPE_NETWORK    0x010
-#define PROC_POLICY_RSRTYPE_POWER      0x20
-
+/* 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 {
 
 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 */
+       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 {
 } 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 */
+       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;
 
 } proc_policy_cpuusage_attr_t;
 

-#if CONFIG_EMBEDDED
+#if CONFIG_EMBEDDED || (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)

 /* sub policies for app lifecycle management */
 /* sub policies for app lifecycle management */

-#define        PROC_POLICY_APPLIFE_NONE        0       /* does nothing.. */
-#define        PROC_POLICY_APPLIFE_STATE       1       /* sets the app to various lifecycle states */
-#define        PROC_POLICY_APPLIFE_DEVSTATUS   2       /* notes the device in inactive or short/long term */
-#define        PROC_POLICY_APPLIFE_PIDBIND     3       /* a thread is to be bound to another processes app state */
+#define PROC_POLICY_APPLIFE_NONE        0       /* does nothing.. */
+#define PROC_POLICY_APPLIFE_STATE       1       /* sets the app to various lifecycle states */
+#define PROC_POLICY_APPLIFE_DEVSTATUS   2       /* notes the device in inactive or short/long term */
+#define PROC_POLICY_APPLIFE_PIDBIND     3       /* a thread is to be bound to another processes app state */

 #endif /* CONFIG_EMBEDDED */
 
 /* sub policies for PROC_POLICY_APPTYPE */
 #endif /* CONFIG_EMBEDDED */
 
 /* 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 */
-#if CONFIG_EMBEDDED
-#define        PROC_POLICY_APPTYPE_THREADTHR   2       /* notes the device in inactive or short/long term */
+#define PROC_POLICY_APPTYPE_NONE        0       /* does nothing.. */
+#define PROC_POLICY_APPTYPE_MODIFY      1       /* sets the app to various lifecycle states */
+#if CONFIG_EMBEDDED || (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
+#define PROC_POLICY_APPTYPE_THREADTHR   2       /* notes the device in inactive or short/long term */

 #endif /* CONFIG_EMBEDDED */
 
 #endif /* CONFIG_EMBEDDED */
 

+/* exported apptypes for PROC_POLICY_APPTYPE */
+#define PROC_POLICY_OSX_APPTYPE_TAL             1       /* TAL-launched app */

 
 

-#define PROC_POLICY_OSX_APPTYPE_NONE            0
-#if CONFIG_EMBEDDED
-#define PROC_POLICY_IOS_RESV1_APPTYPE           1      /* TAL based launched */
-#define PROC_POLICY_IOS_APPLE_DAEMON           2       /* for user of IOS apple daemons  */
-#define PROC_POLICY_IOS_APPTYPE                 3      /* ios specific handling */
-#define PROC_POLICY_IOS_NONUITYPE               4      /* ios non graphics type */
-#else
-#define PROC_POLICY_OSX_APPTYPE_TAL             1      /* TAL based launched */
-#define PROC_POLICY_OSX_APPTYPE_WIDGET          2      /* for dashboard client */
-#define PROC_POLICY_OSX_APPTYPE_DASHCLIENT      2      /* rename to move away from widget */
-#endif
+#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 KERNEL
 int process_policy(int scope, int action, int policy, int policy_subtype, proc_policy_attribute_t * attrp, pid_t target_pid, uint64_t target_threadid);
 
 #ifndef KERNEL
 int process_policy(int scope, int action, int policy, int policy_subtype, proc_policy_attribute_t * attrp, pid_t target_pid, uint64_t target_threadid);