/*
- * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
/* Hardware disk access attributes, bit different as it should reflect IOPOL_XXX */
#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_NONE 0x00
+#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_FULLACCESS 0x01
#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_NORMAL 0x01
#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_PASSIVE 0x02
#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_THROTTLE 0x03
-#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_DEFAULT TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_NORMAL
+#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_UTILITY 0x04
+#define TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_DEFAULT TASK_POLICY_HWACCESS_DISK_ATTRIBUTE_FULLACCESS
-/* Hardware disk access attributes */
+/* Hardware GPU access attributes */
#define TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_NONE 0x00
-#define TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_NORMAL 0x00
#define TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_FULLACCESS 0x00
#define TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_NOACCESS 0x01
-#define TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_DEFAULT 0x00
+#define TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_DEFAULT TASK_POLICY_HWACCESS_GPU_ATTRIBUTE_FULLACCESS
/* Hardware Network access attributes */
#define TASK_POLICY_HWACCESS_NET_ATTRIBUTE_NONE 0x00
-#define TASK_POLICY_HWACCESS_NET_ATTRIBUTE_NORMAL 0x00
+#define TASK_POLICY_HWACCESS_NET_ATTRIBUTE_FULLACCESS 0x00
#define TASK_POLICY_HWACCESS_NET_ATTRIBUTE_THROTTLE 0x01
-#define TASK_POLICY_HWACCESS_NET_ATTRIBUTE_DEFAULT 0x00
+#define TASK_POLICY_HWACCESS_NET_ATTRIBUTE_DEFAULT TASK_POLICY_HWACCESS_NET_ATTRIBUTE_FULLACCESS
/* Hardware CPU access attributes */
#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_NONE 0x00
-#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_NORMAL 0x00
-#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_ALL 0x00
+#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_FULLACCESS 0x00
#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_ONE 0x01
#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_LLCACHE 0x02
-#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_DEFAULT 0x00
+#define TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_DEFAULT TASK_POLICY_HWACCESS_CPU_ATTRIBUTE_FULLACCESS
/* Resource usage/low resource attributes */
#define TASK_POLICY_RESOURCE_ATTRIBUTE_NONE 0x00
#define TASK_POLICY_RESOURCE_ATTRIBUTE_THROTTLE 0x01
#define TASK_POLICY_RESOURCE_ATTRIBUTE_SUSPEND 0x02
#define TASK_POLICY_RESOURCE_ATTRIBUTE_TERMINATE 0x03
-#define TASK_POLICY_RESOURCE_ATTRIBUTE_NOTIFY 0x04
-#define TASK_POLICY_RESOURCE_ATTRIBUTE_DEFAULT 0x00
+#define TASK_POLICY_RESOURCE_ATTRIBUTE_NOTIFY_KQ 0x04
+#define TASK_POLICY_RESOURCE_ATTRIBUTE_NOTIFY_EXC 0x05
+#define TASK_POLICY_RESOURCE_ATTRIBUTE_DEFAULT TASK_POLICY_RESOURCE_ATTRIBUTE_NONE
#endif /* XNU_KERNEL_PRIVATE */
hw_bg:8; /* Darwin Background Policy */
} process_policy_t;
+#if CONFIG_EMBEDDED
+
+typedef struct task_watcher {
+ queue_chain_t tw_links; /* queueing of threads */
+ task_t tw_task; /* task that is being watched */
+ thread_t tw_thread; /* thread that is watching the watch_task */
+ int tw_state; /* the current app state of the thread */
+ int tw_importance; /* importance prior to backgrounding */
+} task_watch_t;
+
+extern lck_mtx_t task_watch_mtx;
+
+#endif /* CONFIG_EMBEDDED */
+
#include <kern/thread.h>
extern process_policy_t default_task_proc_policy; /* init value for the process policy attributes */
-extern process_policy_t default_task_null_policy; /* none as the value for the process policy attributes */
+extern process_policy_t default_task_null_policy; /* none as the value for the process policy attributes */
struct task {
/* Synchronization/destruction information */
int semaphores_owned; /* number of semaphores owned */
int lock_sets_owned; /* number of lock sets owned */
- /* Ledgers */
- struct ipc_port *wired_ledger_port;
- struct ipc_port *paged_ledger_port;
+ ledger_t ledger;
+
unsigned int priv_flags; /* privilege resource flags */
#define VM_BACKING_STORE_PRIV 0x1
integer_t messages_received; /* messages received counter */
integer_t syscalls_mach; /* mach system call counter */
integer_t syscalls_unix; /* unix system call counter */
- uint32_t c_switch; /* total context switches */
- uint32_t p_switch; /* total processor switches */
- uint32_t ps_switch; /* total pset switches */
+ uint32_t c_switch; /* total context switches */
+ uint32_t p_switch; /* total processor switches */
+ uint32_t ps_switch; /* total pset switches */
- zinfo_usage_store_t tkm_private;/* private kmem alloc/free stats (reaped threads) */
- zinfo_usage_store_t tkm_shared; /* shared kmem alloc/free stats (reaped threads) */
zinfo_usage_t tkm_zinfo; /* per-task, per-zone usage statistics */
#ifdef MACH_BSD
uint32_t t_chud; /* CHUD flags, used for Shark */
#endif
- process_policy_t ext_actionstate; /* externally applied actions */
+ boolean_t pidsuspended; /* pid_suspend called; no threads can execute */
+ boolean_t frozen; /* frozen; private resident pages committed to swap */
+ process_policy_t ext_appliedstate; /* externally applied actions */
process_policy_t ext_policystate; /* externally defined process policy states*/
- process_policy_t actionstate; /* self applied acions */
+ process_policy_t appliedstate; /* self applied acions */
process_policy_t policystate; /* process wide policy states */
-
- uint64_t rsu_controldata[TASK_POLICY_RESOURCE_USAGE_COUNT];
+ uint8_t rusage_cpu_flags;
+ uint8_t rusage_cpu_percentage; /* Task-wide CPU limit percentage */
+ uint64_t rusage_cpu_interval; /* Task-wide CPU limit interval */
+ uint8_t rusage_cpu_perthr_percentage; /* Per-thread CPU limit percentage */
+ uint64_t rusage_cpu_perthr_interval; /* Per-thread CPU limit interval */
+ uint64_t rusage_cpu_deadline;
+ thread_call_t rusage_cpu_callt;
+#if CONFIG_EMBEDDED
+ uint32_t appstate; /* the current appstate */
+ queue_head_t task_watchers; /* app state watcher threads */
+ int num_taskwatchers;
+ int watchapplying;
+#endif /* CONFIG_EMBEDDED */
vm_extmod_statistics_data_t extmod_statistics;
+ natural_t proc_terminate; /* the process is marked for proc_terminate */
};
#define task_lock(task) lck_mtx_lock(&(task)->lock)
extern kern_return_t task_hold(
task_t task);
+/* Wait for task to stop running, either just to get off CPU or to cease being runnable */
+extern kern_return_t task_wait(
+ task_t task,
+ boolean_t until_not_runnable);
+
/* Release hold on all threads in a task */
extern kern_return_t task_release(
task_t task);
+/* Suspends a task by placing a hold on its threads */
+extern kern_return_t task_pidsuspend(
+ task_t task);
+extern kern_return_t task_pidsuspend_locked(
+ task_t task);
+
+/* Resumes a previously paused task */
+extern kern_return_t task_pidresume(
+ task_t task);
+
#if CONFIG_FREEZE
/* Freeze a task's resident pages */
uint32_t *wired_count,
uint32_t *clean_count,
uint32_t *dirty_count,
+ uint32_t dirty_budget,
boolean_t *shared,
boolean_t walk_only);
thread_state_t state,
mach_msg_type_number_t state_count);
+extern void machine_task_terminate(task_t task);
+
+struct _task_ledger_indices {
+ int cpu_time;
+ int tkm_private;
+ int tkm_shared;
+ int phys_mem;
+ int wired_mem;
+};
+extern struct _task_ledger_indices task_ledgers;
int proc_get_task_bg_policy(task_t task);
int proc_get_thread_bg_policy(task_t task, uint64_t tid);
int proc_get_darwinbgstate(task_t, uint32_t *);
int proc_set_bgtaskpolicy(task_t task, int intval);
-int proc_set1_bgtaskpolicy(task_t task, int intval);
+int proc_set_and_apply_bgtaskpolicy(task_t task, int intval);
int proc_set_bgthreadpolicy(task_t task, uint64_t tid, int val);
-int proc_set1_bgthreadpolicy(task_t task, uint64_t tid, int val);
+int proc_set_and_apply_bgthreadpolicy(task_t task, uint64_t tid, int val);
int proc_add_bgtaskpolicy(task_t task, int val);
int proc_add_bgthreadpolicy(task_t task, uint64_t tid, int val);
int proc_apply_bgtaskpolicy(task_t task);
int proc_apply_bgtaskpolicy_external(task_t task);
-int proc_apply_bgtaskpolicy_internal(task_t task);
int proc_apply_bgthreadpolicy(task_t task, uint64_t tid);
int proc_apply_bgtask_selfpolicy(void);
int proc_apply_bgthread_selfpolicy(void);
int proc_restore_bgthreadpolicy(task_t task, uint64_t tid);
int proc_restore_bgthread_selfpolicy(void);
int proc_restore_workq_bgthreadpolicy(thread_t);
+void proc_task_remove_throttle(task_t task);
/* hw access routines */
int proc_apply_task_diskacc(task_t task, int policy);
int proc_apply_thread_selfdiskacc(int policy);
int proc_get_task_disacc(task_t task);
int proc_get_task_selfdiskacc(void);
+int proc_get_diskacc(thread_t thread);
int proc_get_thread_selfdiskacc(void);
int proc_denyinherit_policy(task_t task);
int proc_denyselfset_policy(task_t task);
int proc_get_task_ruse_cpu(task_t task, uint32_t * policyp, uint32_t * percentagep, uint64_t * intervalp, uint64_t * deadlinep);
int proc_set_task_ruse_cpu(task_t task, uint32_t policy, uint32_t percentage, uint64_t interval, uint64_t deadline);
+int proc_clear_task_ruse_cpu(task_t task);
thread_t task_findtid(task_t, uint64_t);
+#define TASK_RUSECPU_FLAGS_PROC_LIMIT 0x1
+#define TASK_RUSECPU_FLAGS_PERTHR_LIMIT 0x2
+#define TASK_RUSECPU_FLAGS_DEADLINE 0x4
+
#define PROC_POLICY_OSX_APPTYPE_NONE 0
+#if CONFIG_EMBEDDED
+#define PROC_POLICY_IOS_RESV1_APPTYPE 1
+#define PROC_POLICY_IOS_APPLE_DAEMON 2
+#define PROC_POLICY_IOS_APPTYPE 3
+#define PROC_POLICY_IOS_NONUITYPE 4
+#else
#define PROC_POLICY_OSX_APPTYPE_TAL 1
#define PROC_POLICY_OSX_APPTYPE_WIDGET 2
#define PROC_POLICY_OSX_APPTYPE_DBCLIENT 2 /* Not a bug, just rename of widget */
-#define PROC_POLICY_IOS_APPTYPE 3
-#define PROC_POLICY_IOS_NONUITYPE 4
+#endif
-void proc_set_task_apptype(task_t, int);
+void proc_set_task_apptype(task_t task, int type, thread_t thread);
int proc_disable_task_apptype(task_t task, int policy_subtype);
int proc_enable_task_apptype(task_t task, int policy_subtype);
-/* resource handle callback */
-int task_action_cpuusage(task_t);
+#if CONFIG_EMBEDDED
+extern int proc_setthread_saved_importance(thread_t thread, int importance);
+#endif
/* BSD call back functions */
extern int proc_apply_resource_actions(void * p, int type, int action);
extern void proc_apply_task_networkbg(void * bsd_info);
extern void proc_restore_task_networkbg(void * bsd_info);
extern void proc_set_task_networkbg(void * bsd_info, int setbg);
+extern int task_clear_cpuusage(task_t task);
+
+#if CONFIG_EMBEDDED
+#define TASK_APPSTATE_NONE 0
+#define TASK_APPSTATE_ACTIVE 1
+#define TASK_APPSTATE_BACKGROUND 2
+#define TASK_APPSTATE_NONUI 3
+#define TASK_APPSTATE_INACTIVE 4
+
+extern int proc_lf_getappstate(task_t task);
+extern int proc_lf_setappstate(task_t task, int state);
+extern int proc_lf_pidbind(task_t curtask, uint64_t tid, task_t target_task, int bind);
+extern void thead_remove_taskwatch(thread_t thread);
+extern void task_removewatchers(task_t task);
+#endif /* CONFIG_EMBEDDED */
+
#endif /* XNU_KERNEL_PRIVATE */
#ifdef KERNEL_PRIVATE
extern void *get_bsdtask_info(task_t);
extern void *get_bsdthreadtask_info(thread_t);
extern vm_map_t get_task_map(task_t);
+extern ledger_t get_task_ledger(task_t);
+
+extern boolean_t get_task_pidsuspended(task_t);
+extern boolean_t get_task_frozen(task_t);
+
+/* Convert from a task to a port */
+extern ipc_port_t convert_task_to_port(task_t);
+
+/* Convert from a task name to a port */
+extern ipc_port_t convert_task_name_to_port(task_name_t);
#endif /* KERNEL_PRIVATE */
projects / apple / xnu.git / blobdiff