/*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* improvements that they make and grant CSL redistribution rights.
*
*/
+/*
+ * NOTICE: This file was modified by McAfee Research in 2004 to introduce
+ * support for mandatory and extensible security protections. This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ * Copyright (c) 2005 SPARTA, Inc.
+ */
#ifndef _KERN_TASK_H_
#define _KERN_TASK_H_
#include <kern/exception.h>
#include <kern/lock.h>
#include <kern/thread.h>
-
-#include <mach_host.h>
-#include <mach_prof.h>
+#include <security/_label.h>
+#include <ipc/ipc_labelh.h>
struct task {
/* Synchronization/destruction information */
- decl_mutex_data(,lock) /* Task's lock */
- int ref_count; /* Number of references to me */
+ decl_lck_mtx_data(,lock) /* Task's lock */
+ uint32_t ref_count; /* Number of references to me */
boolean_t active; /* Task has not been terminated */
+ boolean_t halting; /* Task is being halted */
/* Miscellaneous */
vm_map_t map; /* Address space description */
- queue_chain_t pset_tasks; /* list of tasks assigned to pset */
+ queue_chain_t tasks; /* global list of tasks */
void *user_data; /* Arbitrary data settable via IPC */
- int suspend_count; /* Internal scheduling only */
/* Threads in this task */
- queue_head_t threads;
- int thread_count;
- int active_thread_count;
+ queue_head_t threads;
+
+ processor_set_t pset_hint;
+ struct affinity_space *affinity_space;
- processor_set_t processor_set; /* processor set for new threads */
-#if MACH_HOST
- boolean_t may_assign; /* can assigned pset be changed? */
- boolean_t assign_active; /* waiting for may_assign */
-#endif /* MACH_HOST */
+ int thread_count;
+ uint32_t active_thread_count;
+ int suspend_count; /* Internal scheduling only */
/* User-visible scheduling information */
integer_t user_stop_count; /* outstanding stops */
uint64_t total_user_time; /* terminated threads only */
uint64_t total_system_time;
-#if MACH_PROF
- boolean_t task_profiled; /* is task being profiled ? */
- struct prof_data *profil_buffer;/* profile struct if so */
-#endif /* MACH_PROF */
+ /* Virtual timers */
+ uint32_t vtimers;
/* IPC structures */
- decl_mutex_data(,itk_lock_data)
+ decl_lck_mtx_data(,itk_lock_data)
struct ipc_port *itk_self; /* not a right, doesn't hold ref */
struct ipc_port *itk_nself; /* not a right, doesn't hold ref */
struct ipc_port *itk_sself; /* a send right */
/* a send right each valid element */
struct ipc_port *itk_host; /* a send right */
struct ipc_port *itk_bootstrap; /* a send right */
+ struct ipc_port *itk_seatbelt; /* a send right */
+ struct ipc_port *itk_gssd; /* yet another send right */
+ struct ipc_port *itk_task_access; /* and another send right */
struct ipc_port *itk_registered[TASK_PORT_REGISTER_MAX];
/* all send rights */
integer_t messages_received; /* messages received counter */
integer_t syscalls_mach; /* mach system call counter */
integer_t syscalls_unix; /* unix system call counter */
- integer_t csw; /* context switch counter */
+ uint32_t c_switch; /* total context switches */
+ uint32_t p_switch; /* total processor switches */
+ uint32_t ps_switch; /* total pset switches */
#ifdef MACH_BSD
void *bsd_info;
#endif
- struct shared_region_mapping *system_shared_region;
- struct tws_hash *dynamic_working_set;
+ struct vm_shared_region *shared_region;
uint32_t taskFeatures[2]; /* Special feature for this task */
#define tf64BitAddr 0x80000000 /* Task has 64-bit addressing */
#define tf64BitData 0x40000000 /* Task has 64-bit data registers */
#define task_clear_64BitAddr(task) \
((task)->taskFeatures[0] &= ~tf64BitAddr)
+ mach_vm_address_t all_image_info_addr; /* dyld __all_image_info */
+ mach_vm_size_t all_image_info_size; /* section location and size */
+#if CONFIG_MACF_MACH
+ ipc_labelh_t label;
+#endif
+
+#if CONFIG_COUNTERS
+#define TASK_PMC_FLAG 0x1 /* Bit in "t_chud" signifying PMC interest */
+ uint32_t t_chud; /* CHUD flags, used for Shark */
+#endif
+
};
-#define task_lock(task) mutex_lock(&(task)->lock)
-#define task_lock_try(task) mutex_try(&(task)->lock)
-#define task_unlock(task) mutex_unlock(&(task)->lock)
+#define task_lock(task) lck_mtx_lock(&(task)->lock)
+#define task_lock_try(task) lck_mtx_try_lock(&(task)->lock)
+#define task_unlock(task) lck_mtx_unlock(&(task)->lock)
+
+#if CONFIG_MACF_MACH
+#define maclabel label->lh_label
-#define itk_lock_init(task) mutex_init(&(task)->itk_lock_data, 0)
-#define itk_lock(task) mutex_lock(&(task)->itk_lock_data)
-#define itk_unlock(task) mutex_unlock(&(task)->itk_lock_data)
+#define tasklabel_lock(task) lh_lock((task)->label)
+#define tasklabel_unlock(task) lh_unlock((task)->label)
+
+extern void tasklabel_lock2(task_t a, task_t b);
+extern void tasklabel_unlock2(task_t a, task_t b);
+#endif /* MAC_MACH */
+
+#define itk_lock_init(task) lck_mtx_init(&(task)->itk_lock_data, &ipc_lck_grp, &ipc_lck_attr)
+#define itk_lock_destroy(task) lck_mtx_destroy(&(task)->itk_lock_data, &ipc_lck_grp)
+#define itk_lock(task) lck_mtx_lock(&(task)->itk_lock_data)
+#define itk_unlock(task) lck_mtx_unlock(&(task)->itk_lock_data)
#define task_reference_internal(task) \
- hw_atomic_add(&(task)->ref_count, 1)
+ (void)hw_atomic_add(&(task)->ref_count, 1)
#define task_deallocate_internal(task) \
hw_atomic_sub(&(task)->ref_count, 1)
task_t *child);
/* Initialize task module */
-extern void task_init(void);
+extern void task_init(void) __attribute__((section("__TEXT, initcode")));
#define current_task_fast() (current_thread()->task)
#define current_task() current_task_fast()
+extern lck_attr_t task_lck_attr;
+extern lck_grp_t task_lck_grp;
+
#else /* MACH_KERNEL_PRIVATE */
__BEGIN_DECLS
task_t task);
/* Halt all other threads in the current task */
-extern kern_return_t task_halt(
+extern kern_return_t task_start_halt(
+ task_t task);
+
+/* Wait for other threads to halt and free halting task resources */
+extern void task_complete_halt(
task_t task);
extern kern_return_t task_terminate_internal(
task_t task,
integer_t importance);
+extern void task_vtimer_set(
+ task_t task,
+ integer_t which);
+
+extern void task_vtimer_clear(
+ task_t task,
+ integer_t which);
+
+extern void task_vtimer_update(
+ task_t task,
+ integer_t which,
+ uint32_t *microsecs);
+
+#define TASK_VTIMER_USER 0x01
+#define TASK_VTIMER_PROF 0x02
+#define TASK_VTIMER_RLIM 0x04
+
extern void task_set_64bit(
task_t task,
boolean_t is64bit);
extern void task_backing_store_privileged(
task_t task);
-extern void task_working_set_disable(
- task_t task);
-
+extern void task_set_dyld_info(
+ task_t task,
+ mach_vm_address_t addr,
+ mach_vm_size_t size);
/* Get number of activations in a task */
extern int get_task_numacts(
task_t task);
+extern int get_task_numactivethreads(task_t task);
/* JMM - should just be temporary (implementation in bsd_kern still) */
extern void set_bsdtask_info(task_t,void *);
extern vm_map_t get_task_map_reference(task_t);
-extern vm_map_t swap_task_map(task_t, vm_map_t);
+extern vm_map_t swap_task_map(task_t, thread_t, vm_map_t);
extern pmap_t get_task_pmap(task_t);
+extern uint64_t get_task_resident_size(task_t);
extern boolean_t is_kerneltask(task_t task);
+extern kern_return_t check_actforsig(task_t task, thread_t thread, int setast);
+
+extern kern_return_t machine_task_get_state(
+ task_t task,
+ int flavor,
+ thread_state_t state,
+ mach_msg_type_number_t *state_count);
+
+extern kern_return_t machine_task_set_state(
+ task_t task,
+ int flavor,
+ thread_state_t state,
+ mach_msg_type_number_t state_count);
+
+
#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);
#endif /* KERNEL_PRIVATE */
projects / apple / xnu.git / blobdiff