X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/43866e378188c25dd1e2208016ab3cbeb086ae6c..d190cdc3f5544636abb56dc1874be391d3e1b148:/osfmk/kern/bsd_kern.c diff --git a/osfmk/kern/bsd_kern.c b/osfmk/kern/bsd_kern.c index 4f6aa60af..ac79a2345 100644 --- a/osfmk/kern/bsd_kern.c +++ b/osfmk/kern/bsd_kern.c @@ -1,16 +1,19 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2010 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 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. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. + * 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 @@ -20,56 +23,53 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #include -#include -#include +#include +#include + +#include +#include +#include #include -#include #include #include -#include -#include -#include +#include #include #include +#include +#include +#include +#include /* last */ +#include +#include #undef thread_should_halt -#undef ipc_port_release - -decl_simple_lock_data(extern,reaper_lock) -extern queue_head_t reaper_queue; /* 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 */ -thread_act_t get_firstthread(task_t); -vm_map_t get_task_map(task_t); -ipc_space_t get_task_ipcspace(task_t); -boolean_t is_kerneltask(task_t); -boolean_t is_thread_idle(thread_t); -boolean_t is_thread_running(thread_act_t); -thread_shuttle_t getshuttle_thread( thread_act_t); -thread_act_t getact_thread( thread_shuttle_t); -vm_offset_t get_map_min( vm_map_t); -vm_offset_t get_map_max( vm_map_t); +thread_t get_firstthread(task_t); int get_task_userstop(task_t); -int get_thread_userstop(thread_act_t); -boolean_t thread_should_abort(thread_shuttle_t); +int get_thread_userstop(thread_t); boolean_t current_thread_aborted(void); -void task_act_iterate_wth_args(task_t, void(*)(thread_act_t, void *), void *); -void ipc_port_release(ipc_port_t); -boolean_t is_thread_active(thread_t); -kern_return_t get_thread_waitresult(thread_t); -vm_size_t get_vmmap_size(vm_map_t); -int get_vmmap_entries(vm_map_t); -int get_task_numacts(task_t); -thread_act_t get_firstthread(task_t task); -kern_return_t get_signalact(task_t , thread_act_t *, thread_t *, int); -void astbsd_on(void); +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_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 proc_uniqueid(void *p); + +#if MACH_BSD +extern void psignal(void *, int); +#endif /* * @@ -79,6 +79,21 @@ 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_bsdthreadtask_info(thread_t th) +{ + return(th->task != TASK_NULL ? th->task->bsd_info : NULL); +} + /* * */ @@ -90,137 +105,168 @@ void set_bsdtask_info(task_t t,void * v) /* * */ -void *get_bsdthread_info(thread_act_t th) +void *get_bsdthread_info(thread_t th) { return(th->uthread); } +/* + * XXX + */ +int get_thread_lock_count(thread_t th); /* forced forward */ +int get_thread_lock_count(thread_t th) +{ + return(th->mutex_count); +} + /* * XXX: wait for BSD to fix signal code * Until then, we cannot block here. We know the task * can't go away, so we make sure it is still active after * retrieving the first thread for extra safety. */ -thread_act_t get_firstthread(task_t task) +thread_t get_firstthread(task_t task) { - thread_act_t thr_act; + thread_t thread = (thread_t)(void *)queue_first(&task->threads); + + if (queue_end(&task->threads, (queue_entry_t)thread)) + thread = THREAD_NULL; - thr_act = (thread_act_t)queue_first(&task->thr_acts); - if (thr_act == (thread_act_t)&task->thr_acts) - thr_act = THR_ACT_NULL; if (!task->active) - return(THR_ACT_NULL); - return(thr_act); + return (THREAD_NULL); + + return (thread); } -kern_return_t get_signalact(task_t task,thread_act_t * thact, thread_t * thshut, int setast) +kern_return_t +get_signalact( + task_t task, + thread_t *result_out, + int setast) { - - thread_act_t inc; - thread_act_t ninc; - thread_act_t thr_act; - thread_t th; + kern_return_t result = KERN_SUCCESS; + thread_t inc, thread = THREAD_NULL; task_lock(task); + if (!task->active) { task_unlock(task); - return(KERN_FAILURE); - } - - thr_act = THR_ACT_NULL; - for (inc = (thread_act_t)queue_first(&task->thr_acts); - inc != (thread_act_t)&task->thr_acts; - inc = ninc) { - th = act_lock_thread(inc); - if ((inc->active) && - ((th->state & (TH_ABORT|TH_ABORT_SAFELY)) != TH_ABORT)) { - thr_act = inc; - break; - } - act_unlock_thread(inc); - ninc = (thread_act_t)queue_next(&inc->thr_acts); - } -out: - if (thact) - *thact = thr_act; - if (thshut) - *thshut = thr_act? thr_act->thread: THREAD_NULL ; - if (thr_act) { - if (setast) - act_set_astbsd(thr_act); + return (KERN_FAILURE); + } + + 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)(void *)queue_next(&inc->task_threads); + } + + if (result_out) + *result_out = thread; + + if (thread) { + if (setast) + act_set_astbsd(thread); + + thread_mtx_unlock(thread); + } + else + result = KERN_FAILURE; - act_unlock_thread(thr_act); - } task_unlock(task); - if (thr_act) - return(KERN_SUCCESS); - else - return(KERN_FAILURE); + return (result); } -kern_return_t check_actforsig(task_t task, thread_act_t thact, thread_t * thshut, int setast) +kern_return_t +check_actforsig( + task_t task, + thread_t thread, + int setast) { - - thread_act_t inc; - thread_act_t ninc; - thread_act_t thr_act; - thread_t th; - int found=0; + kern_return_t result = KERN_FAILURE; + thread_t inc; task_lock(task); + if (!task->active) { task_unlock(task); - return(KERN_FAILURE); - } - - thr_act = THR_ACT_NULL; - for (inc = (thread_act_t)queue_first(&task->thr_acts); - inc != (thread_act_t)&task->thr_acts; - inc = ninc) { - - if (inc != thact) { - ninc = (thread_act_t)queue_next(&inc->thr_acts); - continue; - } - th = act_lock_thread(inc); - if ((inc->active) && - ((th->state & (TH_ABORT|TH_ABORT_SAFELY)) != TH_ABORT)) { - found = 1; - thr_act = inc; - break; - } - act_unlock_thread(inc); - /* ninc = (thread_act_t)queue_next(&inc->thr_acts); */ + + return (KERN_FAILURE); + } + + 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->active && + (inc->sched_flags & TH_SFLAG_ABORTED_MASK) != TH_SFLAG_ABORT) { + result = KERN_SUCCESS; break; - } -out: - if (found) { - if (thshut) - *thshut = thr_act? thr_act->thread: THREAD_NULL ; - if (setast) - act_set_astbsd(thr_act); - - act_unlock_thread(thr_act); - } - task_unlock(task); + } + + thread_mtx_unlock(inc); + break; + } + + inc = (thread_t)(void *)queue_next(&inc->task_threads); + } - if (found) - return(KERN_SUCCESS); - else - return(KERN_FAILURE); + if (result == KERN_SUCCESS) { + if (setast) + act_set_astbsd(thread); + + thread_mtx_unlock(thread); + } + + task_unlock(task); + + return (result); +} + +ledger_t get_task_ledger(task_t t) +{ + return(t->ledger); } /* - * + * 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. */ vm_map_t get_task_map(task_t t) { return(t->map); } +vm_map_t get_task_map_reference(task_t t) +{ + vm_map_t m; + + if (t == NULL) + return VM_MAP_NULL; + + task_lock(t); + if (!t->active) { + task_unlock(t); + return VM_MAP_NULL; + } + m = t->map; + vm_map_reference_swap(m); + task_unlock(t); + return m; +} + /* * */ @@ -229,47 +275,76 @@ ipc_space_t get_task_ipcspace(task_t t) return(t->itk_space); } +int get_task_numactivethreads(task_t task) +{ + thread_t inc; + int num_active_thr=0; + task_lock(task); + + for (inc = (thread_t)(void *)queue_first(&task->threads); + !queue_end(&task->threads, (queue_entry_t)inc); inc = (thread_t)(void *)queue_next(&inc->task_threads)) + { + if(inc->active) + num_active_thr++; + } + task_unlock(task); + return num_active_thr; +} + int get_task_numacts(task_t t) { - return(t->thr_act_count); + return(t->thread_count); +} + +/* does this machine need 64bit register set for signal handler */ +int is_64signalregset(void) +{ + if (task_has_64BitData(current_task())) { + return(1); + } + + return(0); } /* - * Reset the current task's map by taking a reference - * on the new map. 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 -swap_task_map(task_t task,vm_map_t map) +swap_task_map(task_t task, thread_t thread, vm_map_t map) { vm_map_t old_map; + boolean_t doswitch = (thread == current_thread()) ? TRUE : FALSE; + + if (task != thread->task) + panic("swap_task_map"); - vm_map_reference(map); task_lock(task); + mp_disable_preemption(); + old_map = task->map; - task->map = map; + thread->map = task->map = map; + vm_commit_pagezero_status(map); + + if (doswitch) { + pmap_switch(map->pmap); + } + mp_enable_preemption(); task_unlock(task); - return old_map; -} -/* - * Reset the current act map. - * The caller donates us a reference to the new map - * and we donote our reference to the old map to him. - */ -vm_map_t -swap_act_map(thread_act_t thr_act,vm_map_t map) -{ - vm_map_t old_map; +#if (defined(__i386__) || defined(__x86_64__)) && NCOPY_WINDOWS > 0 + inval_copy_windows(thread); +#endif - act_lock(thr_act); - old_map = thr_act->map; - thr_act->map = map; - act_unlock(thr_act); 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) { @@ -279,66 +354,230 @@ pmap_t get_task_pmap(task_t t) /* * */ -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); } -/* - * - */ -task_t get_threadtask(thread_act_t th) + +uint64_t get_task_compressed(task_t task) { - return(th->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; +} /* * */ -boolean_t is_thread_idle(thread_t th) -{ - return((th->state & TH_IDLE) == TH_IDLE); +uint64_t get_task_phys_footprint(task_t 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; } /* * */ -boolean_t is_thread_running(thread_act_t thact) -{ - thread_t th = thact->thread; - return((th->state & TH_RUN) == TH_RUN); +uint64_t get_task_phys_footprint_max(task_t task) +{ + kern_return_t ret; + ledger_amount_t max; + + ret = ledger_get_maximum(task->ledger, task_ledgers.phys_footprint, &max); + if (KERN_SUCCESS == ret) { + return max; + } + + return 0; } /* * */ -thread_shuttle_t -getshuttle_thread( - thread_act_t th) +uint64_t get_task_phys_footprint_limit(task_t task) { -#ifdef DEBUG - assert(th->thread); -#endif - return(th->thread); + 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) +{ + 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_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; } /* * */ -thread_act_t -getact_thread( - thread_shuttle_t th) +task_t get_threadtask(thread_t th) { -#ifdef DEBUG - assert(th->top_act); -#endif - return(th->top_act); + return(th->task); } /* * */ -vm_offset_t +vm_map_offset_t get_map_min( vm_map_t map) { @@ -348,20 +587,22 @@ get_map_min( /* * */ -vm_offset_t +vm_map_offset_t get_map_max( vm_map_t map) { return(vm_map_max(map)); } -vm_size_t +vm_map_size_t get_vmmap_size( vm_map_t map) { return(map->size); } -int +#if CONFIG_COREDUMP + +static int get_vmsubmap_entries( vm_map_t map, vm_object_offset_t start, @@ -370,7 +611,8 @@ get_vmsubmap_entries( int total_entries = 0; vm_map_entry_t entry; - vm_map_lock(map); + if (not_in_kdp) + vm_map_lock(map); entry = vm_map_first_entry(map); while((entry != vm_map_to_entry(map)) && (entry->vme_start < start)) { entry = entry->vme_next; @@ -379,16 +621,18 @@ get_vmsubmap_entries( 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)); + 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; } - vm_map_unlock(map); + if (not_in_kdp) + vm_map_unlock(map); return(total_entries); } @@ -399,24 +643,28 @@ get_vmmap_entries( int total_entries = 0; vm_map_entry_t entry; - vm_map_lock(map); + if (not_in_kdp) + vm_map_lock(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)); + 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; } - vm_map_unlock(map); + if (not_in_kdp) + vm_map_unlock(map); return(total_entries); } +#endif /* CONFIG_COREDUMP */ /* * @@ -436,20 +684,39 @@ get_task_userstop( */ int get_thread_userstop( - thread_act_t th) + thread_t th) { 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); +} + /* * */ boolean_t thread_should_abort( - thread_shuttle_t th) + thread_t th) { - return(!th->top_act || !th->top_act->active || - (th->state & (TH_ABORT|TH_ABORT_SAFELY)) == TH_ABORT); + return ((th->sched_flags & TH_SFLAG_ABORTED_MASK) == TH_SFLAG_ABORT); } /* @@ -467,15 +734,14 @@ current_thread_aborted ( thread_t th = current_thread(); spl_t s; - if (!th->top_act || - ((th->state & (TH_ABORT|TH_ABORT_SAFELY)) == TH_ABORT && - th->interrupt_level != THREAD_UNINT)) + if ((th->sched_flags & TH_SFLAG_ABORTED_MASK) == TH_SFLAG_ABORT && + (th->options & TH_OPT_INTMASK) != THREAD_UNINT) return (TRUE); - if (th->state & TH_ABORT_SAFELY) { + if (th->sched_flags & TH_SFLAG_ABORTSAFELY) { 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); } @@ -487,49 +753,311 @@ current_thread_aborted ( */ void task_act_iterate_wth_args( - task_t task, - void (*func_callback)(thread_act_t, void *), - void *func_arg) + task_t task, + void (*func_callback)(thread_t, void *), + void *func_arg) { - thread_act_t inc, ninc; + thread_t inc; task_lock(task); - for (inc = (thread_act_t)queue_first(&task->thr_acts); - inc != (thread_act_t)&task->thr_acts; - inc = ninc) { - ninc = (thread_act_t)queue_next(&inc->thr_acts); - (void) (*func_callback)(inc, func_arg); - } + + for (inc = (thread_t)(void *)queue_first(&task->threads); + !queue_end(&task->threads, (queue_entry_t)inc); ) { + (void) (*func_callback)(inc, func_arg); + inc = (thread_t)(void *)queue_next(&inc->task_threads); + } + task_unlock(task); } + +#include + 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_shuttle_t th) +int +fill_taskthreadinfo(task_t task, uint64_t thaddr, int thuniqueid, struct proc_threadinfo_internal * ptinfo, void * vpp, int *vidp) { - return(th->active); + 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==0)?thact->machine.cthread_self: thact->thread_id; + 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 = ((basic_info.user_time.seconds * (integer_t)NSEC_PER_SEC) + (basic_info.user_time.microseconds * (integer_t)NSEC_PER_USEC)); + ptinfo->pth_system_time = ((basic_info.system_time.seconds * (integer_t)NSEC_PER_SEC) + (basic_info.system_time.microseconds * (integer_t)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); } -kern_return_t -get_thread_waitresult( - thread_shuttle_t th) +int +fill_taskthreadlist(task_t task, void * buffer, int thcount) { - return(th->wait_result); + 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 = 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; + + assert(task != TASK_NULL); + task_lock(task); + + task_power_info_locked(task, &powerinfo, NULL, NULL); + 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; + + 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 -astbsd_on(void) +fill_task_billed_usage(task_t task __unused, rusage_info_current *ri) { - boolean_t reenable; +#if CONFIG_BANK + ri->ri_billed_system_time = bank_billed_time_safe(task); + ri->ri_serviced_system_time = bank_serviced_time_safe(task); +#else + ri->ri_billed_system_time = 0; + ri->ri_serviced_system_time = 0; +#endif +} + +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) +{ + 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_qos_stats.cpu_time_qos_default; + ri->ri_cpu_time_qos_maintenance = task->cpu_time_qos_stats.cpu_time_qos_maintenance; + ri->ri_cpu_time_qos_background = task->cpu_time_qos_stats.cpu_time_qos_background; + ri->ri_cpu_time_qos_utility = task->cpu_time_qos_stats.cpu_time_qos_utility; + ri->ri_cpu_time_qos_legacy = task->cpu_time_qos_stats.cpu_time_qos_legacy; + ri->ri_cpu_time_qos_user_initiated = task->cpu_time_qos_stats.cpu_time_qos_user_initiated; + ri->ri_cpu_time_qos_user_interactive = task->cpu_time_qos_stats.cpu_time_qos_user_interactive; + + task_unlock(task); + return (0); +} + +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_uniqueid(task_t task) +{ + if (task->bsd_info) { + return proc_uniqueid(task->bsd_info); + } else { + return UINT64_MAX; + } +} - reenable = ml_set_interrupts_enabled(FALSE); - ast_on_fast(AST_BSD); - (void)ml_set_interrupts_enabled(reenable); +#if CONFIG_MACF +struct label * +get_task_crash_label(task_t task) +{ + return task->crash_label; } + +void +set_task_crash_label(task_t task, struct label *label) +{ + task->crash_label = label; +} +#endif