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[apple/xnu.git] / osfmk / kern / bsd_kern.c
diff --git a/osfmk/kern/bsd_kern.c b/osfmk/kern/bsd_kern.c
index 64f02fb12a17e793776b3e677211419940f9a6de..e89c8cfb8378e97b6453115fc9fb1e1f107e6503 100644 (file)
--- a/osfmk/kern/bsd_kern.c
+++ b/osfmk/kern/bsd_kern.c
@@ -1,8 +1,8 @@
 /*
 /*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
  * @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,
@@ -22,66 +22,146 @@
  * 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@
  */
 #include <mach/mach_types.h>
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 #include <mach/mach_types.h>
+#include <mach/machine/vm_param.h>
+#include <mach/task.h>
 
 #include <kern/kern_types.h>
 
 #include <kern/kern_types.h>
+#include <kern/ledger.h>
 #include <kern/processor.h>
 #include <kern/thread.h>
 #include <kern/task.h>
 #include <kern/spl.h>
 #include <kern/processor.h>
 #include <kern/thread.h>
 #include <kern/task.h>
 #include <kern/spl.h>
-#include <kern/lock.h>
 #include <kern/ast.h>
 #include <ipc/ipc_port.h>
 #include <ipc/ipc_object.h>
 #include <vm/vm_map.h>
 #include <kern/ast.h>
 #include <ipc/ipc_port.h>
 #include <ipc/ipc_object.h>
 #include <vm/vm_map.h>
+#include <vm/vm_kern.h>
 #include <vm/pmap.h>
 #include <vm/vm_protos.h> /* last */
 #include <vm/pmap.h>
 #include <vm/vm_protos.h> /* last */
+#include <sys/resource.h>
+#include <sys/signal.h>
+#include <sys/errno.h>
+
+#if MONOTONIC
+#include <kern/monotonic.h>
+#include <machine/monotonic.h>
+#endif /* MONOTONIC */
+
+#include <machine/limits.h>
+#include <sys/codesign.h> /* CS_CDHASH_LEN */
 
 #undef thread_should_halt
 
 #undef thread_should_halt
-#undef ipc_port_release
 
 /* BSD KERN COMPONENT INTERFACE */
 
 
 /* BSD KERN COMPONENT INTERFACE */
 
-task_t bsd_init_task = TASK_NULL;
-char   init_task_failure_data[1024];
 extern unsigned int not_in_kdp; /* Skip acquiring locks if we're in kdp */
 extern unsigned int not_in_kdp; /* Skip acquiring locks if we're in kdp */
- 
+
 thread_t get_firstthread(task_t);
 int get_task_userstop(task_t);
 int get_thread_userstop(thread_t);
 thread_t get_firstthread(task_t);
 int get_task_userstop(task_t);
 int get_thread_userstop(thread_t);
-boolean_t thread_should_abort(thread_t);
 boolean_t current_thread_aborted(void);
 boolean_t current_thread_aborted(void);
-void task_act_iterate_wth_args(task_t, void(*)(thread_t, void *), void *);
-void ipc_port_release(ipc_port_t);
-boolean_t is_thread_active(thread_t);
-kern_return_t get_signalact(task_t , thread_t *, int);
-int get_vmsubmap_entries(vm_map_t, vm_object_offset_t, vm_object_offset_t);
+void task_act_iterate_wth_args(task_t, void (*)(thread_t, void *), void *);
+kern_return_t get_signalact(task_t, thread_t *, int);
+int fill_task_rusage(task_t task, rusage_info_current *ri);
+int fill_task_io_rusage(task_t task, rusage_info_current *ri);
+int fill_task_qos_rusage(task_t task, rusage_info_current *ri);
+void fill_task_monotonic_rusage(task_t task, rusage_info_current *ri);
+uint64_t get_task_logical_writes(task_t task, boolean_t external);
+void fill_task_billed_usage(task_t task, rusage_info_current *ri);
+void task_bsdtask_kill(task_t);
+
+extern uint64_t get_dispatchqueue_serialno_offset_from_proc(void *p);
+extern uint64_t get_dispatchqueue_label_offset_from_proc(void *p);
+extern uint64_t proc_uniqueid(void *p);
+extern int proc_pidversion(void *p);
+extern int proc_getcdhash(void *p, char *cdhash);
+
+#if MACH_BSD
+extern void psignal(void *, int);
+#endif
+
+/*
+ *
+ */
+void  *
+get_bsdtask_info(task_t t)
+{
+       return t->bsd_info;
+}
 
 
+void
+task_bsdtask_kill(task_t t)
+{
+       void * bsd_info = get_bsdtask_info(t);
+       if (bsd_info != NULL) {
+               psignal(bsd_info, SIGKILL);
+       }
+}
 /*
  *
  */
 /*
  *
  */
-void  *get_bsdtask_info(task_t t)
+void *
+get_bsdthreadtask_info(thread_t th)
 {
 {
-       return(t->bsd_info);
+       return th->task != TASK_NULL ? th->task->bsd_info : NULL;
 }
 
 /*
  *
  */
 }
 
 /*
  *
  */
-void set_bsdtask_info(task_t t,void * v)
+void
+set_bsdtask_info(task_t t, void * v)
 {
 {
-       t->bsd_info=v;
+       t->bsd_info = v;
 }
 
 /*
  *
  */
 }
 
 /*
  *
  */
-void *get_bsdthread_info(thread_t th)
+void *
+get_bsdthread_info(thread_t th)
+{
+       return th->uthread;
+}
+
+/*
+ * This is used to remember any FS error from VNOP_PAGEIN code when
+ * invoked under vm_fault(). The value is an errno style value. It can
+ * be retrieved by exception handlers using thread_get_state().
+ */
+void
+set_thread_pagein_error(thread_t th, int error)
+{
+       assert(th == current_thread());
+       if (error == 0 || th->t_pagein_error == 0) {
+               th->t_pagein_error = error;
+       }
+}
+
+#if defined(__x86_64__)
+/*
+ * Returns non-zero if the thread has a non-NULL task
+ * and that task has an LDT.
+ */
+int
+thread_task_has_ldt(thread_t th)
+{
+       return th->task && th->task->i386_ldt != 0;
+}
+#endif /* __x86_64__ */
+
+/*
+ * XXX
+ */
+int get_thread_lock_count(thread_t th);         /* forced forward */
+int
+get_thread_lock_count(thread_t th)
 {
 {
-       return(th->uthread);
+       return th->mutex_count;
 }
 
 /*
 }
 
 /*
@@ -90,91 +170,96 @@ void *get_bsdthread_info(thread_t th)
  * can't go away, so we make sure it is still active after
  * retrieving the first thread for extra safety.
  */
  * can't go away, so we make sure it is still active after
  * retrieving the first thread for extra safety.
  */
-thread_t get_firstthread(task_t task)
+thread_t
+get_firstthread(task_t task)
 {
 {
-       thread_t        thread = (thread_t)queue_first(&task->threads);
+       thread_t        thread = (thread_t)(void *)queue_first(&task->threads);
 
 
-       if (queue_end(&task->threads, (queue_entry_t)thread))
+       if (queue_end(&task->threads, (queue_entry_t)thread)) {
                thread = THREAD_NULL;
                thread = THREAD_NULL;
+       }
 
 
-       if (!task->active)
-               return (THREAD_NULL);
+       if (!task->active) {
+               return THREAD_NULL;
+       }
 
 
-       return (thread);
+       return thread;
 }
 
 kern_return_t
 get_signalact(
 }
 
 kern_return_t
 get_signalact(
-       task_t          task,
-       thread_t        *result_out,
-       int                     setast)
+       task_t          task,
+       thread_t        *result_out,
+       int                     setast)
 {
 {
-       kern_return_t   result = KERN_SUCCESS;
-       thread_t                inc, thread = THREAD_NULL;
+       kern_return_t   result = KERN_SUCCESS;
+       thread_t                inc, thread = THREAD_NULL;
 
        task_lock(task);
 
        if (!task->active) {
                task_unlock(task);
 
 
        task_lock(task);
 
        if (!task->active) {
                task_unlock(task);
 
-               return (KERN_FAILURE);
+               return KERN_FAILURE;
        }
 
        }
 
-       for (inc  = (thread_t)queue_first(&task->threads);
-                       !queue_end(&task->threads, (queue_entry_t)inc); ) {
-                thread_mtx_lock(inc);
-                if (inc->active  && 
-                           (inc->state & (TH_ABORT|TH_ABORT_SAFELY)) != TH_ABORT) {
-                    thread = inc;
-                                       break;
-                }
-                thread_mtx_unlock(inc);
+       for (inc  = (thread_t)(void *)queue_first(&task->threads);
+           !queue_end(&task->threads, (queue_entry_t)inc);) {
+               thread_mtx_lock(inc);
+               if (inc->active &&
+                   (inc->sched_flags & TH_SFLAG_ABORTED_MASK) != TH_SFLAG_ABORT) {
+                       thread = inc;
+                       break;
+               }
+               thread_mtx_unlock(inc);
 
 
-                               inc = (thread_t)queue_next(&inc->task_threads);
+               inc = (thread_t)(void *)queue_next(&inc->task_threads);
        }
 
        }
 
-       if (result_out) 
+       if (result_out) {
                *result_out = thread;
                *result_out = thread;
+       }
 
        if (thread) {
 
        if (thread) {
-               if (setast)
+               if (setast) {
                        act_set_astbsd(thread);
                        act_set_astbsd(thread);
+               }
 
                thread_mtx_unlock(thread);
 
                thread_mtx_unlock(thread);
-       }
-       else
+       } else {
                result = KERN_FAILURE;
                result = KERN_FAILURE;
+       }
 
        task_unlock(task);
 
 
        task_unlock(task);
 
-       return (result);
+       return result;
 }
 
 
 kern_return_t
 check_actforsig(
 }
 
 
 kern_return_t
 check_actforsig(
-       task_t                  task,
-       thread_t                thread,
-       int                             setast)
+       task_t                  task,
+       thread_t                thread,
+       int                             setast)
 {
 {
-       kern_return_t   result = KERN_FAILURE;
-       thread_t                inc;
+       kern_return_t   result = KERN_FAILURE;
+       thread_t                inc;
 
        task_lock(task);
 
        if (!task->active) {
                task_unlock(task);
 
 
        task_lock(task);
 
        if (!task->active) {
                task_unlock(task);
 
-               return (KERN_FAILURE);
+               return KERN_FAILURE;
        }
 
        }
 
-       for (inc  = (thread_t)queue_first(&task->threads);
-                       !queue_end(&task->threads, (queue_entry_t)inc); ) {
+       for (inc  = (thread_t)(void *)queue_first(&task->threads);
+           !queue_end(&task->threads, (queue_entry_t)inc);) {
                if (inc == thread) {
                        thread_mtx_lock(inc);
 
                if (inc == thread) {
                        thread_mtx_lock(inc);
 
-                       if (inc->active  && 
-                               (inc->state & (TH_ABORT|TH_ABORT_SAFELY)) != TH_ABORT) {
+                       if (inc->active &&
+                           (inc->sched_flags & TH_SFLAG_ABORTED_MASK) != TH_SFLAG_ABORT) {
                                result = KERN_SUCCESS;
                                break;
                        }
                                result = KERN_SUCCESS;
                                break;
                        }
@@ -183,38 +268,48 @@ check_actforsig(
                        break;
                }
 
                        break;
                }
 
-               inc = (thread_t)queue_next(&inc->task_threads);
+               inc = (thread_t)(void *)queue_next(&inc->task_threads);
        }
 
        if (result == KERN_SUCCESS) {
        }
 
        if (result == KERN_SUCCESS) {
-               if (setast)
+               if (setast) {
                        act_set_astbsd(thread);
                        act_set_astbsd(thread);
+               }
 
                thread_mtx_unlock(thread);
        }
 
        task_unlock(task);
 
 
                thread_mtx_unlock(thread);
        }
 
        task_unlock(task);
 
-       return (result);
+       return result;
+}
+
+ledger_t
+get_task_ledger(task_t t)
+{
+       return t->ledger;
 }
 
 /*
  * This is only safe to call from a thread executing in
 }
 
 /*
  * This is only safe to call from a thread executing in
- * in the task's context or if the task is locked  Otherwise,
+ * in the task's context or if the task is locked. Otherwise,
  * the map could be switched for the task (and freed) before
  * the map could be switched for the task (and freed) before
- * we to return it here.
+ * we go to return it here.
  */
  */
-vm_map_t  get_task_map(task_t t)
+vm_map_t
+get_task_map(task_t t)
 {
 {
-       return(t->map);
+       return t->map;
 }
 
 }
 
-vm_map_t  get_task_map_reference(task_t t)
+vm_map_t
+get_task_map_reference(task_t t)
 {
        vm_map_t m;
 
 {
        vm_map_t m;
 
-       if (t == NULL)
+       if (t == NULL) {
                return VM_MAP_NULL;
                return VM_MAP_NULL;
+       }
 
        task_lock(t);
        if (!t->active) {
 
        task_lock(t);
        if (!t->active) {
@@ -230,103 +325,390 @@ vm_map_t  get_task_map_reference(task_t t)
 /*
  *
  */
 /*
  *
  */
-ipc_space_t  get_task_ipcspace(task_t t)
+ipc_space_t
+get_task_ipcspace(task_t t)
 {
 {
-       return(t->itk_space);
+       return t->itk_space;
 }
 
 }
 
-int  get_task_numacts(task_t t)
+int
+get_task_numacts(task_t t)
 {
 {
-       return(t->thread_count);
+       return t->thread_count;
 }
 
 /* does this machine need  64bit register set for signal handler */
 }
 
 /* does this machine need  64bit register set for signal handler */
-int is_64signalregset(void)
+int
+is_64signalregset(void)
 {
 {
-       task_t t = current_task();
-       if(t->taskFeatures[0] & tf64BitData)
-               return(1);
-       else
-               return(0);
+       if (task_has_64Bit_data(current_task())) {
+               return 1;
+       }
+
+       return 0;
 }
 
 /*
 }
 
 /*
- * The old map reference is returned.
+ * Swap in a new map for the task/thread pair; the old map reference is
+ * returned. Also does a pmap switch if thread provided is current thread.
  */
 vm_map_t
  */
 vm_map_t
-swap_task_map(task_t task,vm_map_t map)
+swap_task_map(task_t task, thread_t thread, vm_map_t map)
 {
 {
-       thread_t thread = current_thread();
        vm_map_t old_map;
        vm_map_t old_map;
+       boolean_t doswitch = (thread == current_thread()) ? TRUE : FALSE;
 
 
-       if (task != thread->task)
+       if (task != thread->task) {
                panic("swap_task_map");
                panic("swap_task_map");
+       }
 
        task_lock(task);
 
        task_lock(task);
+       mp_disable_preemption();
+
        old_map = task->map;
        thread->map = task->map = map;
        old_map = task->map;
        thread->map = task->map = map;
+       vm_commit_pagezero_status(map);
+
+       if (doswitch) {
+               PMAP_SWITCH_USER(thread, map, cpu_number());
+       }
+       mp_enable_preemption();
        task_unlock(task);
        task_unlock(task);
+
+#if defined(__x86_64__) && NCOPY_WINDOWS > 0
+       inval_copy_windows(thread);
+#endif
+
        return old_map;
 }
 
 /*
  *
        return old_map;
 }
 
 /*
  *
+ * This is only safe to call from a thread executing in
+ * in the task's context or if the task is locked. Otherwise,
+ * the map could be switched for the task (and freed) before
+ * we go to return it here.
  */
  */
-pmap_t  get_task_pmap(task_t t)
+pmap_t
+get_task_pmap(task_t t)
 {
 {
-       return(t->map->pmap);
+       return t->map->pmap;
 }
 
 /*
  *
  */
 }
 
 /*
  *
  */
-pmap_t  get_map_pmap(vm_map_t map)
+uint64_t
+get_task_resident_size(task_t task)
 {
 {
-       return(map->pmap);
+       vm_map_t map;
+
+       map = (task == kernel_task) ? kernel_map: task->map;
+       return (uint64_t)pmap_resident_count(map->pmap) * PAGE_SIZE_64;
+}
+
+uint64_t
+get_task_compressed(task_t task)
+{
+       vm_map_t map;
+
+       map = (task == kernel_task) ? kernel_map: task->map;
+       return (uint64_t)pmap_compressed(map->pmap) * PAGE_SIZE_64;
+}
+
+uint64_t
+get_task_resident_max(task_t task)
+{
+       vm_map_t map;
+
+       map = (task == kernel_task) ? kernel_map: task->map;
+       return (uint64_t)pmap_resident_max(map->pmap) * PAGE_SIZE_64;
+}
+
+uint64_t
+get_task_purgeable_size(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+       uint64_t volatile_size = 0;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.purgeable_volatile, &credit, &debit);
+       if (ret != KERN_SUCCESS) {
+               return 0;
+       }
+
+       volatile_size += (credit - debit);
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.purgeable_volatile_compressed, &credit, &debit);
+       if (ret != KERN_SUCCESS) {
+               return 0;
+       }
+
+       volatile_size += (credit - debit);
+
+       return volatile_size;
 }
 }
+
 /*
  *
  */
 /*
  *
  */
-task_t get_threadtask(thread_t th)
+uint64_t
+get_task_phys_footprint(task_t task)
 {
 {
-       return(th->task);
-}
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
 
 
+       ret = ledger_get_entries(task->ledger, task_ledgers.phys_footprint, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
 
 
+       return 0;
+}
+
+#if CONFIG_LEDGER_INTERVAL_MAX
 /*
  *
  */
 /*
  *
  */
-boolean_t is_thread_idle(thread_t th)
+uint64_t
+get_task_phys_footprint_interval_max(task_t task, int reset)
 {
 {
-       return((th->state & TH_IDLE) == TH_IDLE);
+       kern_return_t ret;
+       ledger_amount_t max;
+
+       ret = ledger_get_interval_max(task->ledger, task_ledgers.phys_footprint, &max, reset);
+
+       if (KERN_SUCCESS == ret) {
+               return max;
+       }
+
+       return 0;
 }
 }
+#endif /* CONFIG_LEDGER_INTERVAL_MAX */
 
 /*
  *
  */
 
 /*
  *
  */
-boolean_t is_thread_running(thread_t th)
+uint64_t
+get_task_phys_footprint_lifetime_max(task_t task)
 {
 {
-       return((th->state & TH_RUN) == TH_RUN);
+       kern_return_t ret;
+       ledger_amount_t max;
+
+       ret = ledger_get_lifetime_max(task->ledger, task_ledgers.phys_footprint, &max);
+
+       if (KERN_SUCCESS == ret) {
+               return max;
+       }
+
+       return 0;
 }
 
 /*
  *
  */
 }
 
 /*
  *
  */
-thread_t
-getshuttle_thread(
-       thread_t        th)
+uint64_t
+get_task_phys_footprint_limit(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t max;
+
+       ret = ledger_get_limit(task->ledger, task_ledgers.phys_footprint, &max);
+       if (KERN_SUCCESS == ret) {
+               return max;
+       }
+
+       return 0;
+}
+
+uint64_t
+get_task_internal(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.internal, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
+
+       return 0;
+}
+
+uint64_t
+get_task_internal_compressed(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.internal_compressed, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
+
+       return 0;
+}
+
+uint64_t
+get_task_purgeable_nonvolatile(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.purgeable_nonvolatile, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
+
+       return 0;
+}
+
+uint64_t
+get_task_purgeable_nonvolatile_compressed(task_t task)
 {
 {
-       return(th);
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.purgeable_nonvolatile_compressed, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
+
+       return 0;
+}
+
+uint64_t
+get_task_alternate_accounting(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.alternate_accounting, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
+
+       return 0;
+}
+
+uint64_t
+get_task_alternate_accounting_compressed(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.alternate_accounting_compressed, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
+
+       return 0;
+}
+
+uint64_t
+get_task_page_table(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.page_table, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
+
+       return 0;
+}
+
+uint64_t
+get_task_iokit_mapped(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.iokit_mapped, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
+
+       return 0;
+}
+
+uint64_t
+get_task_network_nonvolatile(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.network_nonvolatile, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
+
+       return 0;
+}
+
+uint64_t
+get_task_network_nonvolatile_compressed(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.network_nonvolatile_compressed, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
+
+       return 0;
+}
+
+uint64_t
+get_task_wired_mem(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.wired_mem, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
+
+       return 0;
+}
+
+
+uint64_t
+get_task_cpu_time(task_t task)
+{
+       kern_return_t ret;
+       ledger_amount_t credit, debit;
+
+       ret = ledger_get_entries(task->ledger, task_ledgers.cpu_time, &credit, &debit);
+       if (KERN_SUCCESS == ret) {
+               return credit - debit;
+       }
+
+       return 0;
+}
+
+uint32_t
+get_task_loadTag(task_t task)
+{
+       return os_atomic_load(&task->loadTag, relaxed);
+}
+
+uint32_t
+set_task_loadTag(task_t task, uint32_t loadTag)
+{
+       return os_atomic_xchg(&task->loadTag, loadTag, relaxed);
 }
 
 /*
  *
  */
 }
 
 /*
  *
  */
-thread_t
-getact_thread(
-       thread_t        th)
+task_t
+get_threadtask(thread_t th)
 {
 {
-       return(th);
+       return th->task;
 }
 
 /*
 }
 
 /*
@@ -334,9 +716,9 @@ getact_thread(
  */
 vm_map_offset_t
 get_map_min(
  */
 vm_map_offset_t
 get_map_min(
-       vm_map_t        map)
+       vm_map_t        map)
 {
 {
-       return(vm_map_min(map));
+       return vm_map_min(map);
 }
 
 /*
 }
 
 /*
@@ -344,77 +726,86 @@ get_map_min(
  */
 vm_map_offset_t
 get_map_max(
  */
 vm_map_offset_t
 get_map_max(
-       vm_map_t        map)
+       vm_map_t        map)
 {
 {
-       return(vm_map_max(map));
+       return vm_map_max(map);
 }
 vm_map_size_t
 get_vmmap_size(
 }
 vm_map_size_t
 get_vmmap_size(
-       vm_map_t        map)
+       vm_map_t        map)
 {
 {
-       return(map->size);
+       return map->size;
 }
 
 }
 
-int
+#if CONFIG_COREDUMP
+
+static int
 get_vmsubmap_entries(
 get_vmsubmap_entries(
-       vm_map_t        map,
-       vm_object_offset_t      start,
-       vm_object_offset_t      end)
+       vm_map_t        map,
+       vm_object_offset_t      start,
+       vm_object_offset_t      end)
 {
 {
-       int     total_entries = 0;
-       vm_map_entry_t  entry;
+       int     total_entries = 0;
+       vm_map_entry_t  entry;
 
 
-       if (not_in_kdp)
-         vm_map_lock(map);
+       if (not_in_kdp) {
+               vm_map_lock(map);
+       }
        entry = vm_map_first_entry(map);
        entry = vm_map_first_entry(map);
-       while((entry != vm_map_to_entry(map)) && (entry->vme_start < start)) {
+       while ((entry != vm_map_to_entry(map)) && (entry->vme_start < start)) {
                entry = entry->vme_next;
        }
 
                entry = entry->vme_next;
        }
 
-       while((entry != vm_map_to_entry(map)) && (entry->vme_start < end)) {
-               if(entry->is_sub_map) {
-                       total_entries +=        
-                               get_vmsubmap_entries(entry->object.sub_map, 
-                                       entry->offset, 
-                                       entry->offset + 
-                                       (entry->vme_end - entry->vme_start));
+       while ((entry != vm_map_to_entry(map)) && (entry->vme_start < end)) {
+               if (entry->is_sub_map) {
+                       total_entries +=
+                           get_vmsubmap_entries(VME_SUBMAP(entry),
+                           VME_OFFSET(entry),
+                           (VME_OFFSET(entry) +
+                           entry->vme_end -
+                           entry->vme_start));
                } else {
                        total_entries += 1;
                }
                entry = entry->vme_next;
        }
                } else {
                        total_entries += 1;
                }
                entry = entry->vme_next;
        }
-       if (not_in_kdp)
-         vm_map_unlock(map);
-       return(total_entries);
+       if (not_in_kdp) {
+               vm_map_unlock(map);
+       }
+       return total_entries;
 }
 
 int
 get_vmmap_entries(
 }
 
 int
 get_vmmap_entries(
-       vm_map_t        map)
+       vm_map_t        map)
 {
 {
-       int     total_entries = 0;
-       vm_map_entry_t  entry;
+       int     total_entries = 0;
+       vm_map_entry_t  entry;
 
 
-       if (not_in_kdp)
-         vm_map_lock(map);
+       if (not_in_kdp) {
+               vm_map_lock(map);
+       }
        entry = vm_map_first_entry(map);
 
        entry = vm_map_first_entry(map);
 
-       while(entry != vm_map_to_entry(map)) {
-               if(entry->is_sub_map) {
-                       total_entries +=        
-                               get_vmsubmap_entries(entry->object.sub_map, 
-                                       entry->offset, 
-                                       entry->offset + 
-                                       (entry->vme_end - entry->vme_start));
+       while (entry != vm_map_to_entry(map)) {
+               if (entry->is_sub_map) {
+                       total_entries +=
+                           get_vmsubmap_entries(VME_SUBMAP(entry),
+                           VME_OFFSET(entry),
+                           (VME_OFFSET(entry) +
+                           entry->vme_end -
+                           entry->vme_start));
                } else {
                        total_entries += 1;
                }
                entry = entry->vme_next;
        }
                } else {
                        total_entries += 1;
                }
                entry = entry->vme_next;
        }
-       if (not_in_kdp)
-         vm_map_unlock(map);
-       return(total_entries);
+       if (not_in_kdp) {
+               vm_map_unlock(map);
+       }
+       return total_entries;
 }
 }
+#endif /* CONFIG_COREDUMP */
 
 /*
  *
 
 /*
  *
@@ -426,7 +817,7 @@ int
 get_task_userstop(
        task_t task)
 {
 get_task_userstop(
        task_t task)
 {
-       return(task->user_stop_count);
+       return task->user_stop_count;
 }
 
 /*
 }
 
 /*
@@ -436,7 +827,27 @@ int
 get_thread_userstop(
        thread_t th)
 {
 get_thread_userstop(
        thread_t th)
 {
-       return(th->user_stop_count);
+       return th->user_stop_count;
+}
+
+/*
+ *
+ */
+boolean_t
+get_task_pidsuspended(
+       task_t task)
+{
+       return task->pidsuspended;
+}
+
+/*
+ *
+ */
+boolean_t
+get_task_frozen(
+       task_t task)
+{
+       return task->frozen;
 }
 
 /*
 }
 
 /*
@@ -446,7 +857,7 @@ boolean_t
 thread_should_abort(
        thread_t th)
 {
 thread_should_abort(
        thread_t th)
 {
-       return ((th->state & (TH_ABORT|TH_ABORT_SAFELY)) == TH_ABORT);
+       return (th->sched_flags & TH_SFLAG_ABORTED_MASK) == TH_SFLAG_ABORT;
 }
 
 /*
 }
 
 /*
@@ -458,20 +869,22 @@ thread_should_abort(
  * qualifies.
  */
 boolean_t
  * qualifies.
  */
 boolean_t
-current_thread_aborted (
-               void)
+current_thread_aborted(
+       void)
 {
        thread_t th = current_thread();
        spl_t s;
 
 {
        thread_t th = current_thread();
        spl_t s;
 
-       if ((th->state & (TH_ABORT|TH_ABORT_SAFELY)) == TH_ABORT &&
-                       (th->options & TH_OPT_INTMASK) != THREAD_UNINT)
-               return (TRUE);
-       if (th->state & TH_ABORT_SAFELY) {
+       if ((th->sched_flags & TH_SFLAG_ABORTED_MASK) == TH_SFLAG_ABORT &&
+           (th->options & TH_OPT_INTMASK) != THREAD_UNINT) {
+               return TRUE;
+       }
+       if (th->sched_flags & TH_SFLAG_ABORTSAFELY) {
                s = splsched();
                thread_lock(th);
                s = splsched();
                thread_lock(th);
-               if (th->state & TH_ABORT_SAFELY)
-                       th->state &= ~(TH_ABORT|TH_ABORT_SAFELY);
+               if (th->sched_flags & TH_SFLAG_ABORTSAFELY) {
+                       th->sched_flags &= ~TH_SFLAG_ABORTED_MASK;
+               }
                thread_unlock(th);
                splx(s);
        }
                thread_unlock(th);
                splx(s);
        }
@@ -483,43 +896,402 @@ current_thread_aborted (
  */
 void
 task_act_iterate_wth_args(
  */
 void
 task_act_iterate_wth_args(
-       task_t                  task,
-       void                    (*func_callback)(thread_t, void *),
-       void                    *func_arg)
+       task_t                  task,
+       void                    (*func_callback)(thread_t, void *),
+       void                    *func_arg)
 {
 {
-       thread_t        inc;
+       thread_t        inc;
 
        task_lock(task);
 
 
        task_lock(task);
 
-       for (inc  = (thread_t)queue_first(&task->threads);
-                       !queue_end(&task->threads, (queue_entry_t)inc); ) {
+       for (inc  = (thread_t)(void *)queue_first(&task->threads);
+           !queue_end(&task->threads, (queue_entry_t)inc);) {
                (void) (*func_callback)(inc, func_arg);
                (void) (*func_callback)(inc, func_arg);
-               inc = (thread_t)queue_next(&inc->task_threads);
+               inc = (thread_t)(void *)queue_next(&inc->task_threads);
        }
 
        task_unlock(task);
 }
 
        }
 
        task_unlock(task);
 }
 
+
+#include <sys/bsdtask_info.h>
+
 void
 void
-ipc_port_release(
-       ipc_port_t port)
+fill_taskprocinfo(task_t task, struct proc_taskinfo_internal * ptinfo)
 {
 {
-       ipc_object_release(&(port)->ip_object);
+       vm_map_t map;
+       task_absolutetime_info_data_t   tinfo;
+       thread_t thread;
+       uint32_t cswitch = 0, numrunning = 0;
+       uint32_t syscalls_unix = 0;
+       uint32_t syscalls_mach = 0;
+
+       task_lock(task);
+
+       map = (task == kernel_task)? kernel_map: task->map;
+
+       ptinfo->pti_virtual_size  = map->size;
+       ptinfo->pti_resident_size =
+           (mach_vm_size_t)(pmap_resident_count(map->pmap))
+           * PAGE_SIZE_64;
+
+       ptinfo->pti_policy = ((task != kernel_task)?
+           POLICY_TIMESHARE: POLICY_RR);
+
+       tinfo.threads_user = tinfo.threads_system = 0;
+       tinfo.total_user = task->total_user_time;
+       tinfo.total_system = task->total_system_time;
+
+       queue_iterate(&task->threads, thread, thread_t, task_threads) {
+               uint64_t    tval;
+               spl_t x;
+
+               if (thread->options & TH_OPT_IDLE_THREAD) {
+                       continue;
+               }
+
+               x = splsched();
+               thread_lock(thread);
+
+               if ((thread->state & TH_RUN) == TH_RUN) {
+                       numrunning++;
+               }
+               cswitch += thread->c_switch;
+               tval = timer_grab(&thread->user_timer);
+               tinfo.threads_user += tval;
+               tinfo.total_user += tval;
+
+               tval = timer_grab(&thread->system_timer);
+
+               if (thread->precise_user_kernel_time) {
+                       tinfo.threads_system += tval;
+                       tinfo.total_system += tval;
+               } else {
+                       /* system_timer may represent either sys or user */
+                       tinfo.threads_user += tval;
+                       tinfo.total_user += tval;
+               }
+
+               syscalls_unix += thread->syscalls_unix;
+               syscalls_mach += thread->syscalls_mach;
+
+               thread_unlock(thread);
+               splx(x);
+       }
+
+       ptinfo->pti_total_system = tinfo.total_system;
+       ptinfo->pti_total_user = tinfo.total_user;
+       ptinfo->pti_threads_system = tinfo.threads_system;
+       ptinfo->pti_threads_user = tinfo.threads_user;
+
+       ptinfo->pti_faults = task->faults;
+       ptinfo->pti_pageins = task->pageins;
+       ptinfo->pti_cow_faults = task->cow_faults;
+       ptinfo->pti_messages_sent = task->messages_sent;
+       ptinfo->pti_messages_received = task->messages_received;
+       ptinfo->pti_syscalls_mach = task->syscalls_mach + syscalls_mach;
+       ptinfo->pti_syscalls_unix = task->syscalls_unix + syscalls_unix;
+       ptinfo->pti_csw = task->c_switch + cswitch;
+       ptinfo->pti_threadnum = task->thread_count;
+       ptinfo->pti_numrunning = numrunning;
+       ptinfo->pti_priority = task->priority;
+
+       task_unlock(task);
 }
 
 }
 
-boolean_t
-is_thread_active(
-       thread_t th)
+int
+fill_taskthreadinfo(task_t task, uint64_t thaddr, bool thuniqueid, struct proc_threadinfo_internal * ptinfo, void * vpp, int *vidp)
+{
+       thread_t  thact;
+       int err = 0;
+       mach_msg_type_number_t count;
+       thread_basic_info_data_t basic_info;
+       kern_return_t kret;
+       uint64_t addr = 0;
+
+       task_lock(task);
+
+       for (thact  = (thread_t)(void *)queue_first(&task->threads);
+           !queue_end(&task->threads, (queue_entry_t)thact);) {
+               addr = (thuniqueid) ? thact->thread_id : thact->machine.cthread_self;
+               if (addr == thaddr) {
+                       count = THREAD_BASIC_INFO_COUNT;
+                       if ((kret = thread_info_internal(thact, THREAD_BASIC_INFO, (thread_info_t)&basic_info, &count)) != KERN_SUCCESS) {
+                               err = 1;
+                               goto out;
+                       }
+                       ptinfo->pth_user_time = (((uint64_t)basic_info.user_time.seconds * NSEC_PER_SEC) + ((uint64_t)basic_info.user_time.microseconds * NSEC_PER_USEC));
+                       ptinfo->pth_system_time = (((uint64_t)basic_info.system_time.seconds * NSEC_PER_SEC) + ((uint64_t)basic_info.system_time.microseconds * NSEC_PER_USEC));
+
+                       ptinfo->pth_cpu_usage = basic_info.cpu_usage;
+                       ptinfo->pth_policy = basic_info.policy;
+                       ptinfo->pth_run_state = basic_info.run_state;
+                       ptinfo->pth_flags = basic_info.flags;
+                       ptinfo->pth_sleep_time = basic_info.sleep_time;
+                       ptinfo->pth_curpri = thact->sched_pri;
+                       ptinfo->pth_priority = thact->base_pri;
+                       ptinfo->pth_maxpriority = thact->max_priority;
+
+                       if ((vpp != NULL) && (thact->uthread != NULL)) {
+                               bsd_threadcdir(thact->uthread, vpp, vidp);
+                       }
+                       bsd_getthreadname(thact->uthread, ptinfo->pth_name);
+                       err = 0;
+                       goto out;
+               }
+               thact = (thread_t)(void *)queue_next(&thact->task_threads);
+       }
+       err = 1;
+
+out:
+       task_unlock(task);
+       return err;
+}
+
+int
+fill_taskthreadlist(task_t task, void * buffer, int thcount, bool thuniqueid)
+{
+       int numthr = 0;
+       thread_t thact;
+       uint64_t * uptr;
+       uint64_t  thaddr;
+
+       uptr = (uint64_t *)buffer;
+
+       task_lock(task);
+
+       for (thact  = (thread_t)(void *)queue_first(&task->threads);
+           !queue_end(&task->threads, (queue_entry_t)thact);) {
+               thaddr = (thuniqueid) ? thact->thread_id : thact->machine.cthread_self;
+               *uptr++ = thaddr;
+               numthr++;
+               if (numthr >= thcount) {
+                       goto out;
+               }
+               thact = (thread_t)(void *)queue_next(&thact->task_threads);
+       }
+
+out:
+       task_unlock(task);
+       return (int)(numthr * sizeof(uint64_t));
+}
+
+int
+get_numthreads(task_t task)
+{
+       return task->thread_count;
+}
+
+/*
+ * Gather the various pieces of info about the designated task,
+ * and collect it all into a single rusage_info.
+ */
+int
+fill_task_rusage(task_t task, rusage_info_current *ri)
+{
+       struct task_power_info powerinfo;
+
+       uint64_t runnable_time = 0;
+
+       assert(task != TASK_NULL);
+       task_lock(task);
+
+       task_power_info_locked(task, &powerinfo, NULL, NULL, &runnable_time);
+       ri->ri_pkg_idle_wkups = powerinfo.task_platform_idle_wakeups;
+       ri->ri_interrupt_wkups = powerinfo.task_interrupt_wakeups;
+       ri->ri_user_time = powerinfo.total_user;
+       ri->ri_system_time = powerinfo.total_system;
+       ri->ri_runnable_time = runnable_time;
+
+       ledger_get_balance(task->ledger, task_ledgers.phys_footprint,
+           (ledger_amount_t *)&ri->ri_phys_footprint);
+       ledger_get_balance(task->ledger, task_ledgers.phys_mem,
+           (ledger_amount_t *)&ri->ri_resident_size);
+       ledger_get_balance(task->ledger, task_ledgers.wired_mem,
+           (ledger_amount_t *)&ri->ri_wired_size);
+
+       ri->ri_pageins = task->pageins;
+
+       task_unlock(task);
+       return 0;
+}
+
+void
+fill_task_billed_usage(task_t task __unused, rusage_info_current *ri)
+{
+       bank_billed_balance_safe(task, &ri->ri_billed_system_time, &ri->ri_billed_energy);
+       bank_serviced_balance_safe(task, &ri->ri_serviced_system_time, &ri->ri_serviced_energy);
+}
+
+int
+fill_task_io_rusage(task_t task, rusage_info_current *ri)
+{
+       assert(task != TASK_NULL);
+       task_lock(task);
+
+       if (task->task_io_stats) {
+               ri->ri_diskio_bytesread = task->task_io_stats->disk_reads.size;
+               ri->ri_diskio_byteswritten = (task->task_io_stats->total_io.size - task->task_io_stats->disk_reads.size);
+       } else {
+               /* I/O Stats unavailable */
+               ri->ri_diskio_bytesread = 0;
+               ri->ri_diskio_byteswritten = 0;
+       }
+       task_unlock(task);
+       return 0;
+}
+
+int
+fill_task_qos_rusage(task_t task, rusage_info_current *ri)
 {
 {
-       return(th->active);
+       thread_t thread;
+
+       assert(task != TASK_NULL);
+       task_lock(task);
+
+       /* Rollup QoS time of all the threads to task */
+       queue_iterate(&task->threads, thread, thread_t, task_threads) {
+               if (thread->options & TH_OPT_IDLE_THREAD) {
+                       continue;
+               }
+
+               thread_update_qos_cpu_time(thread);
+       }
+       ri->ri_cpu_time_qos_default = task->cpu_time_eqos_stats.cpu_time_qos_default;
+       ri->ri_cpu_time_qos_maintenance = task->cpu_time_eqos_stats.cpu_time_qos_maintenance;
+       ri->ri_cpu_time_qos_background = task->cpu_time_eqos_stats.cpu_time_qos_background;
+       ri->ri_cpu_time_qos_utility = task->cpu_time_eqos_stats.cpu_time_qos_utility;
+       ri->ri_cpu_time_qos_legacy = task->cpu_time_eqos_stats.cpu_time_qos_legacy;
+       ri->ri_cpu_time_qos_user_initiated = task->cpu_time_eqos_stats.cpu_time_qos_user_initiated;
+       ri->ri_cpu_time_qos_user_interactive = task->cpu_time_eqos_stats.cpu_time_qos_user_interactive;
+
+       task_unlock(task);
+       return 0;
 }
 
 void
 }
 
 void
-astbsd_on(void)
+fill_task_monotonic_rusage(task_t task, rusage_info_current *ri)
+{
+#if MONOTONIC
+       if (!mt_core_supported) {
+               return;
+       }
+
+       assert(task != TASK_NULL);
+
+       uint64_t counts[MT_CORE_NFIXED] = { 0 };
+       mt_fixed_task_counts(task, counts);
+#ifdef MT_CORE_INSTRS
+       ri->ri_instructions = counts[MT_CORE_INSTRS];
+#endif /* defined(MT_CORE_INSTRS) */
+       ri->ri_cycles = counts[MT_CORE_CYCLES];
+#else /* MONOTONIC */
+#pragma unused(task, ri)
+#endif /* !MONOTONIC */
+}
+
+uint64_t
+get_task_logical_writes(task_t task, boolean_t external)
 {
 {
-       boolean_t       reenable;
+       assert(task != TASK_NULL);
+       struct ledger_entry_info lei;
+
+       task_lock(task);
+
+       if (external == FALSE) {
+               ledger_get_entry_info(task->ledger, task_ledgers.logical_writes, &lei);
+       } else {
+               ledger_get_entry_info(task->ledger, task_ledgers.logical_writes_to_external, &lei);
+       }
+
+       ledger_get_entry_info(task->ledger, task_ledgers.logical_writes, &lei);
+
+       task_unlock(task);
+       return lei.lei_balance;
+}
+
+uint64_t
+get_task_dispatchqueue_serialno_offset(task_t task)
+{
+       uint64_t dq_serialno_offset = 0;
+
+       if (task->bsd_info) {
+               dq_serialno_offset = get_dispatchqueue_serialno_offset_from_proc(task->bsd_info);
+       }
+
+       return dq_serialno_offset;
+}
+
+uint64_t
+get_task_dispatchqueue_label_offset(task_t task)
+{
+       uint64_t dq_label_offset = 0;
+
+       if (task->bsd_info) {
+               dq_label_offset = get_dispatchqueue_label_offset_from_proc(task->bsd_info);
+       }
+
+       return dq_label_offset;
+}
+
+uint64_t
+get_task_uniqueid(task_t task)
+{
+       if (task->bsd_info) {
+               return proc_uniqueid(task->bsd_info);
+       } else {
+               return UINT64_MAX;
+       }
+}
+
+int
+get_task_version(task_t task)
+{
+       if (task->bsd_info) {
+               return proc_pidversion(task->bsd_info);
+       } else {
+               return INT_MAX;
+       }
+}
+
+#if CONFIG_MACF
+struct label *
+get_task_crash_label(task_t task)
+{
+       return task->crash_label;
+}
+#endif
+
+int
+fill_taskipctableinfo(task_t task, uint32_t *table_size, uint32_t *table_free)
+{
+       ipc_space_t space = task->itk_space;
+       if (space == NULL) {
+               return -1;
+       }
+
+       is_read_lock(space);
+       if (!is_active(space)) {
+               is_read_unlock(space);
+               return -1;
+       }
+
+       *table_size = space->is_table_size;
+       *table_free = space->is_table_free;
+
+       is_read_unlock(space);
+
+       return 0;
+}
+
+int
+get_task_cdhash(task_t task, char cdhash[static CS_CDHASH_LEN])
+{
+       int result = 0;
+
+       task_lock(task);
+       result = task->bsd_info ? proc_getcdhash(task->bsd_info, cdhash) : ESRCH;
+       task_unlock(task);
 
 
-       reenable = ml_set_interrupts_enabled(FALSE);
-       ast_on_fast(AST_BSD);
-       (void)ml_set_interrupts_enabled(reenable);
+       return result;
 }
 }
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