2 * PROJECT: ReactOS Kernel
3 * LICENSE: GPL - See COPYING in the top level directory
4 * FILE: ntoskrnl/ps/kill.c
5 * PURPOSE: Process Manager: Process and Thread Termination
6 * PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
7 * Filip Navara (xnavara@reactos.org)
8 * Thomas Weidenmueller (w3seek@reactos.org
11 /* INCLUDES *****************************************************************/
17 /* GLOBALS *******************************************************************/
19 LIST_ENTRY PspReaperListHead
= { NULL
, NULL
};
20 WORK_QUEUE_ITEM PspReaperWorkItem
;
21 LARGE_INTEGER ShortTime
= {{-10 * 100 * 1000, -1}};
23 /* PRIVATE FUNCTIONS *********************************************************/
27 PspCatchCriticalBreak(IN PCHAR Message
,
28 IN PVOID ProcessOrThread
,
32 BOOLEAN Handled
= FALSE
;
35 /* Check if a debugger is enabled */
36 if (KdDebuggerEnabled
)
38 /* Print out the message */
39 DbgPrint(Message
, ProcessOrThread
, ImageName
);
42 /* If a debugger isn't present, don't prompt */
43 if (KdDebuggerNotPresent
) break;
45 /* A debuger is active, prompt for action */
46 DbgPrompt("Break, or Ignore (bi)?", Action
, sizeof(Action
));
68 /* Did we ultimately handle this? */
71 /* We didn't, bugcheck */
72 KeBugCheckEx(CRITICAL_OBJECT_TERMINATION
,
73 ((PKPROCESS
)ProcessOrThread
)->Header
.Type
,
74 (ULONG_PTR
)ProcessOrThread
,
82 PspTerminateProcess(IN PEPROCESS Process
,
83 IN NTSTATUS ExitStatus
)
86 NTSTATUS Status
= STATUS_NOTHING_TO_TERMINATE
;
88 PSTRACE(PS_KILL_DEBUG
,
89 "Process: %p ExitStatus: %d\n", Process
, ExitStatus
);
92 /* Check if this is a Critical Process */
93 if (Process
->BreakOnTermination
)
95 /* Break to debugger */
96 PspCatchCriticalBreak("Terminating critical process 0x%p (%s)\n",
98 Process
->ImageFileName
);
101 /* Set the delete flag */
102 InterlockedOr((PLONG
)&Process
->Flags
, PSF_PROCESS_DELETE_BIT
);
104 /* Get the first thread */
105 Thread
= PsGetNextProcessThread(Process
, NULL
);
109 PspTerminateThreadByPointer(Thread
, ExitStatus
, FALSE
);
110 Thread
= PsGetNextProcessThread(Process
, Thread
);
112 /* We had at least one thread, so termination is OK */
113 Status
= STATUS_SUCCESS
;
116 /* Check if there was nothing to terminate or if we have a debug port */
117 if ((Status
== STATUS_NOTHING_TO_TERMINATE
) || (Process
->DebugPort
))
119 /* Clear the handle table anyway */
120 ObClearProcessHandleTable(Process
);
129 PsTerminateProcess(IN PEPROCESS Process
,
130 IN NTSTATUS ExitStatus
)
132 /* Call the internal API */
133 return PspTerminateProcess(Process
, ExitStatus
);
138 PspShutdownProcessManager(VOID
)
140 PEPROCESS Process
= NULL
;
142 /* Loop every process */
143 Process
= PsGetNextProcess(Process
);
146 /* Make sure this isn't the idle or initial process */
147 if ((Process
!= PsInitialSystemProcess
) && (Process
!= PsIdleProcess
))
150 PspTerminateProcess(Process
, STATUS_SYSTEM_SHUTDOWN
);
153 /* Get the next process */
154 Process
= PsGetNextProcess(Process
);
160 PspExitApcRundown(IN PKAPC Apc
)
170 PspReapRoutine(IN PVOID Context
)
172 PSINGLE_LIST_ENTRY NextEntry
;
174 PSTRACE(PS_KILL_DEBUG
, "Context: %p\n", Context
);
176 /* Start main loop */
179 /* Write magic value and return the next entry to process */
180 NextEntry
= InterlockedExchangePointer(&PspReaperListHead
.Flink
,
182 ASSERT((NextEntry
!= NULL
) && (NextEntry
!= (PVOID
)1));
184 /* Start inner loop */
187 /* Get the first Thread Entry */
188 Thread
= CONTAINING_RECORD(NextEntry
, ETHREAD
, ReaperLink
);
190 /* Delete this entry's kernel stack */
191 MmDeleteKernelStack((PVOID
)Thread
->Tcb
.StackBase
,
192 Thread
->Tcb
.LargeStack
);
193 Thread
->Tcb
.InitialStack
= NULL
;
195 /* Move to the next entry */
196 NextEntry
= NextEntry
->Next
;
198 /* Dereference this thread */
199 ObDereferenceObject(Thread
);
200 } while ((NextEntry
!= NULL
) && (NextEntry
!= (PVOID
)1));
202 /* Remove magic value, keep looping if it got changed */
203 } while (InterlockedCompareExchangePointer(&PspReaperListHead
.Flink
,
205 (PVOID
)1) != (PVOID
)1);
211 PspCheckProcessList()
215 KeAcquireGuardedMutex(&PspActiveProcessMutex
);
216 DbgPrint("# checking PsActiveProcessHead @ %p\n", &PsActiveProcessHead
);
217 for (Entry
= PsActiveProcessHead
.Flink
;
218 Entry
!= &PsActiveProcessHead
;
219 Entry
= Entry
->Flink
)
221 PEPROCESS Process
= CONTAINING_RECORD(Entry
, EPROCESS
, ActiveProcessLinks
);
222 POBJECT_HEADER Header
;
223 PVOID Info
, HeaderLocation
;
225 /* Get the header and assume this is what we'll free */
226 Header
= OBJECT_TO_OBJECT_HEADER(Process
);
227 HeaderLocation
= Header
;
229 /* To find the header, walk backwards from how we allocated */
230 if ((Info
= OBJECT_HEADER_TO_CREATOR_INFO(Header
)))
232 HeaderLocation
= Info
;
234 if ((Info
= OBJECT_HEADER_TO_NAME_INFO(Header
)))
236 HeaderLocation
= Info
;
238 if ((Info
= OBJECT_HEADER_TO_HANDLE_INFO(Header
)))
240 HeaderLocation
= Info
;
242 if ((Info
= OBJECT_HEADER_TO_QUOTA_INFO(Header
)))
244 HeaderLocation
= Info
;
247 ExpCheckPoolAllocation(HeaderLocation
, NonPagedPool
, 'corP');
250 KeReleaseGuardedMutex(&PspActiveProcessMutex
);
256 PspDeleteProcess(IN PVOID ObjectBody
)
258 PEPROCESS Process
= (PEPROCESS
)ObjectBody
;
261 PSTRACE(PS_KILL_DEBUG
, "ObjectBody: %p\n", ObjectBody
);
264 /* Check if it has an Active Process Link */
265 if (Process
->ActiveProcessLinks
.Flink
)
267 /* Remove it from the Active List */
268 KeAcquireGuardedMutex(&PspActiveProcessMutex
);
269 RemoveEntryList(&Process
->ActiveProcessLinks
);
270 Process
->ActiveProcessLinks
.Flink
= NULL
;
271 Process
->ActiveProcessLinks
.Blink
= NULL
;
272 KeReleaseGuardedMutex(&PspActiveProcessMutex
);
275 /* Check for Auditing information */
276 if (Process
->SeAuditProcessCreationInfo
.ImageFileName
)
279 ExFreePoolWithTag(Process
->SeAuditProcessCreationInfo
.ImageFileName
,
281 Process
->SeAuditProcessCreationInfo
.ImageFileName
= NULL
;
284 /* Check if we have a job */
287 /* Remove the process from the job */
288 PspRemoveProcessFromJob(Process
, Process
->Job
);
291 ObDereferenceObject(Process
->Job
);
295 /* Increase the stack count */
296 Process
->Pcb
.StackCount
++;
298 /* Check if we have a debug port */
299 if (Process
->DebugPort
)
301 /* Deference the Debug Port */
302 ObDereferenceObject(Process
->DebugPort
);
303 Process
->DebugPort
= NULL
;
306 /* Check if we have an exception port */
307 if (Process
->ExceptionPort
)
309 /* Deference the Exception Port */
310 ObDereferenceObject(Process
->ExceptionPort
);
311 Process
->ExceptionPort
= NULL
;
314 /* Check if we have a section object */
315 if (Process
->SectionObject
)
317 /* Deference the Section Object */
318 ObDereferenceObject(Process
->SectionObject
);
319 Process
->SectionObject
= NULL
;
323 /* Clean Ldt and Vdm objects */
324 PspDeleteLdt(Process
);
325 PspDeleteVdmObjects(Process
);
328 /* Delete the Object Table */
329 if (Process
->ObjectTable
)
331 /* Attach to the process */
332 KeStackAttachProcess(&Process
->Pcb
, &ApcState
);
334 /* Kill the Object Info */
335 ObKillProcess(Process
);
338 KeUnstackDetachProcess(&ApcState
);
341 /* Check if we have an address space, and clean it */
342 if (Process
->HasAddressSpace
)
344 /* Attach to the process */
345 KeStackAttachProcess(&Process
->Pcb
, &ApcState
);
347 /* Clean the Address Space */
348 PspExitProcess(FALSE
, Process
);
351 KeUnstackDetachProcess(&ApcState
);
353 /* Completely delete the Address Space */
354 MmDeleteProcessAddressSpace(Process
);
357 /* See if we have a PID */
358 if (Process
->UniqueProcessId
)
361 if (!(ExDestroyHandle(PspCidTable
, Process
->UniqueProcessId
, NULL
)))
363 /* Something wrong happened, bugcheck */
364 KeBugCheck(CID_HANDLE_DELETION
);
368 /* Cleanup security information */
369 PspDeleteProcessSecurity(Process
);
371 /* Check if we have kept information on the Working Set */
372 if (Process
->WorkingSetWatch
)
375 ExFreePool(Process
->WorkingSetWatch
);
377 /* And return the quota it was taking up */
378 PsReturnProcessNonPagedPoolQuota(Process
, 0x2000);
381 /* Dereference the Device Map */
382 ObDereferenceDeviceMap(Process
);
384 /* Destroy the Quota Block */
385 PspDestroyQuotaBlock(Process
);
390 PspDeleteThread(IN PVOID ObjectBody
)
392 PETHREAD Thread
= (PETHREAD
)ObjectBody
;
393 PEPROCESS Process
= Thread
->ThreadsProcess
;
395 PSTRACE(PS_KILL_DEBUG
, "ObjectBody: %p\n", ObjectBody
);
397 ASSERT(Thread
->Tcb
.Win32Thread
== NULL
);
399 /* Check if we have a stack */
400 if (Thread
->Tcb
.InitialStack
)
403 MmDeleteKernelStack((PVOID
)Thread
->Tcb
.StackBase
,
404 Thread
->Tcb
.LargeStack
);
407 /* Check if we have a CID Handle */
408 if (Thread
->Cid
.UniqueThread
)
410 /* Delete the CID Handle */
411 if (!(ExDestroyHandle(PspCidTable
, Thread
->Cid
.UniqueThread
, NULL
)))
413 /* Something wrong happened, bugcheck */
414 KeBugCheck(CID_HANDLE_DELETION
);
418 /* Cleanup impersionation information */
419 PspDeleteThreadSecurity(Thread
);
421 /* Make sure the thread was inserted, before continuing */
422 if (!Process
) return;
424 /* Check if the thread list is valid */
425 if (Thread
->ThreadListEntry
.Flink
)
427 /* Lock the thread's process */
428 KeEnterCriticalRegion();
429 ExAcquirePushLockExclusive(&Process
->ProcessLock
);
431 /* Remove us from the list */
432 RemoveEntryList(&Thread
->ThreadListEntry
);
434 /* Release the lock */
435 ExReleasePushLockExclusive(&Process
->ProcessLock
);
436 KeLeaveCriticalRegion();
439 /* Dereference the Process */
440 ObDereferenceObject(Process
);
444 * FUNCTION: Terminates the current thread
445 * See "Windows Internals" - Chapter 13, Page 50-53
449 PspExitThread(IN NTSTATUS ExitStatus
)
451 CLIENT_DIED_MSG TerminationMsg
;
454 PEPROCESS CurrentProcess
;
455 PETHREAD Thread
, OtherThread
, PreviousThread
= NULL
;
456 PVOID DeallocationStack
;
458 BOOLEAN Last
= FALSE
;
459 PTERMINATION_PORT TerminationPort
, NextPort
;
460 PLIST_ENTRY FirstEntry
, CurrentEntry
;
464 PSTRACE(PS_KILL_DEBUG
, "ExitStatus: %d\n", ExitStatus
);
466 /* Get the Current Thread and Process */
467 Thread
= PsGetCurrentThread();
468 CurrentProcess
= Thread
->ThreadsProcess
;
469 ASSERT((Thread
) == PsGetCurrentThread());
471 /* Can't terminate a thread if it attached another process */
472 if (KeIsAttachedProcess())
475 KeBugCheckEx(INVALID_PROCESS_ATTACH_ATTEMPT
,
476 (ULONG_PTR
)CurrentProcess
,
477 (ULONG_PTR
)Thread
->Tcb
.ApcState
.Process
,
478 (ULONG_PTR
)Thread
->Tcb
.ApcStateIndex
,
482 /* Lower to Passive Level */
483 KeLowerIrql(PASSIVE_LEVEL
);
485 /* Can't be a worker thread */
486 if (Thread
->ActiveExWorker
)
489 KeBugCheckEx(ACTIVE_EX_WORKER_THREAD_TERMINATION
,
496 /* Can't have pending APCs */
497 if (Thread
->Tcb
.CombinedApcDisable
!= 0)
500 KeBugCheckEx(KERNEL_APC_PENDING_DURING_EXIT
,
502 Thread
->Tcb
.CombinedApcDisable
,
507 /* Lock the thread */
508 ExWaitForRundownProtectionRelease(&Thread
->RundownProtect
);
510 /* Cleanup the power state */
511 PopCleanupPowerState((PPOWER_STATE
)&Thread
->Tcb
.PowerState
);
513 /* Call the WMI Callback for Threads */
514 //WmiTraceThread(Thread, NULL, FALSE);
516 /* Run Thread Notify Routines before we desintegrate the thread */
517 PspRunCreateThreadNotifyRoutines(Thread
, FALSE
);
519 /* Lock the Process before we modify its thread entries */
520 KeEnterCriticalRegion();
521 ExAcquirePushLockExclusive(&CurrentProcess
->ProcessLock
);
523 /* Decrease the active thread count, and check if it's 0 */
524 if (!(--CurrentProcess
->ActiveThreads
))
526 /* Set the delete flag */
527 InterlockedOr((PLONG
)&CurrentProcess
->Flags
, PSF_PROCESS_DELETE_BIT
);
529 /* Remember we are last */
532 /* Check if this termination is due to the thread dying */
533 if (ExitStatus
== STATUS_THREAD_IS_TERMINATING
)
535 /* Check if the last thread was pending */
536 if (CurrentProcess
->ExitStatus
== STATUS_PENDING
)
538 /* Use the last exit status */
539 CurrentProcess
->ExitStatus
= CurrentProcess
->
540 LastThreadExitStatus
;
545 /* Just a normal exit, write the code */
546 CurrentProcess
->ExitStatus
= ExitStatus
;
549 /* Loop all the current threads */
550 FirstEntry
= &CurrentProcess
->ThreadListHead
;
551 CurrentEntry
= FirstEntry
->Flink
;
552 while (FirstEntry
!= CurrentEntry
)
554 /* Get the thread on the list */
555 OtherThread
= CONTAINING_RECORD(CurrentEntry
,
559 /* Check if it's a thread that's still alive */
560 if ((OtherThread
!= Thread
) &&
561 !(KeReadStateThread(&OtherThread
->Tcb
)) &&
562 (ObReferenceObjectSafe(OtherThread
)))
564 /* It's a live thread and we referenced it, unlock process */
565 ExReleasePushLockExclusive(&CurrentProcess
->ProcessLock
);
566 KeLeaveCriticalRegion();
568 /* Wait on the thread */
569 KeWaitForSingleObject(OtherThread
,
575 /* Check if we had a previous thread to dereference */
576 if (PreviousThread
) ObDereferenceObject(PreviousThread
);
578 /* Remember the thread and re-lock the process */
579 PreviousThread
= OtherThread
;
580 KeEnterCriticalRegion();
581 ExAcquirePushLockExclusive(&CurrentProcess
->ProcessLock
);
584 /* Go to the next thread */
585 CurrentEntry
= CurrentEntry
->Flink
;
588 else if (ExitStatus
!= STATUS_THREAD_IS_TERMINATING
)
590 /* Write down the exit status of the last thread to get killed */
591 CurrentProcess
->LastThreadExitStatus
= ExitStatus
;
594 /* Unlock the Process */
595 ExReleasePushLockExclusive(&CurrentProcess
->ProcessLock
);
596 KeLeaveCriticalRegion();
598 /* Check if we had a previous thread to dereference */
599 if (PreviousThread
) ObDereferenceObject(PreviousThread
);
601 /* Check if the process has a debug port and if this is a user thread */
602 if ((CurrentProcess
->DebugPort
) && !(Thread
->SystemThread
))
604 /* Notify the Debug API. */
605 Last
? DbgkExitProcess(CurrentProcess
->ExitStatus
) :
606 DbgkExitThread(ExitStatus
);
609 /* Check if this is a Critical Thread */
610 if ((KdDebuggerEnabled
) && (Thread
->BreakOnTermination
))
612 /* Break to debugger */
613 PspCatchCriticalBreak("Critical thread 0x%p (in %s) exited\n",
615 CurrentProcess
->ImageFileName
);
618 /* Check if it's the last thread and this is a Critical Process */
619 if ((Last
) && (CurrentProcess
->BreakOnTermination
))
621 /* Check if a debugger is here to handle this */
622 if (KdDebuggerEnabled
)
624 /* Break to debugger */
625 PspCatchCriticalBreak("Critical process 0x%p (in %s) exited\n",
627 CurrentProcess
->ImageFileName
);
631 /* Bugcheck, we can't allow this */
632 KeBugCheckEx(CRITICAL_PROCESS_DIED
,
633 (ULONG_PTR
)CurrentProcess
,
641 ASSERT(Thread
->Tcb
.CombinedApcDisable
== 0);
643 /* Process the Termination Ports */
644 TerminationPort
= Thread
->TerminationPort
;
647 /* Setup the message header */
648 TerminationMsg
.h
.u2
.ZeroInit
= 0;
649 TerminationMsg
.h
.u2
.s2
.Type
= LPC_CLIENT_DIED
;
650 TerminationMsg
.h
.u1
.s1
.TotalLength
= sizeof(TerminationMsg
);
651 TerminationMsg
.h
.u1
.s1
.DataLength
= sizeof(TerminationMsg
) -
652 sizeof(PORT_MESSAGE
);
657 /* Save the Create Time */
658 TerminationMsg
.CreateTime
= Thread
->CreateTime
;
660 /* Loop trying to send message */
663 /* Send the LPC Message */
664 Status
= LpcRequestPort(TerminationPort
->Port
,
666 if ((Status
== STATUS_NO_MEMORY
) ||
667 (Status
== STATUS_INSUFFICIENT_RESOURCES
))
669 /* Wait a bit and try again */
670 KeDelayExecutionThread(KernelMode
, FALSE
, &ShortTime
);
676 /* Dereference this LPC Port */
677 ObDereferenceObject(TerminationPort
->Port
);
679 /* Move to the next one */
680 NextPort
= TerminationPort
->Next
;
682 /* Free the Termination Port Object */
683 ExFreePoolWithTag(TerminationPort
, '=TsP');
685 /* Keep looping as long as there is a port */
686 TerminationPort
= NextPort
;
687 } while (TerminationPort
);
689 else if (((ExitStatus
== STATUS_THREAD_IS_TERMINATING
) &&
690 (Thread
->DeadThread
)) ||
691 !(Thread
->DeadThread
))
694 * This case is special and deserves some extra comments. What
695 * basically happens here is that this thread doesn't have a termination
696 * port, which means that it died before being fully created. Since we
697 * still have to notify an LPC Server, we'll use the exception port,
698 * which we know exists. However, we need to know how far the thread
699 * actually got created. We have three possibilites:
701 * - NtCreateThread returned an error really early: DeadThread is set.
702 * - NtCreateThread managed to create the thread: DeadThread is off.
703 * - NtCreateThread was creating the thread (with Deadthread set,
704 * but the thread got killed prematurely: STATUS_THREAD_IS_TERMINATING
707 * For the 2 & 3rd scenarios, the thread has been created far enough to
708 * warrant notification to the LPC Server.
711 /* Setup the message header */
712 TerminationMsg
.h
.u2
.s2
.Type
= LPC_CLIENT_DIED
;
713 TerminationMsg
.h
.u1
.s1
.TotalLength
= sizeof(TerminationMsg
);
714 TerminationMsg
.h
.u1
.s1
.DataLength
= sizeof(TerminationMsg
) -
715 sizeof(PORT_MESSAGE
);
717 /* Make sure the process has an exception port */
718 if (CurrentProcess
->ExceptionPort
)
720 /* Save the Create Time */
721 TerminationMsg
.CreateTime
= Thread
->CreateTime
;
723 /* Loop trying to send message */
726 /* Send the LPC Message */
727 Status
= LpcRequestPort(CurrentProcess
->ExceptionPort
,
729 if ((Status
== STATUS_NO_MEMORY
) ||
730 (Status
== STATUS_INSUFFICIENT_RESOURCES
))
732 /* Wait a bit and try again */
733 KeDelayExecutionThread(KernelMode
, FALSE
, &ShortTime
);
741 /* Rundown Win32 Thread if there is one */
742 if (Thread
->Tcb
.Win32Thread
) PspW32ThreadCallout(Thread
,
743 PsW32ThreadCalloutExit
);
745 /* If we are the last thread and have a W32 Process */
746 if ((Last
) && (CurrentProcess
->Win32Process
))
748 /* Run it down too */
749 PspW32ProcessCallout(CurrentProcess
, FALSE
);
752 /* Make sure Stack Swap is enabled */
753 if (!Thread
->Tcb
.EnableStackSwap
)
755 /* Stack swap really shouldn't be disabled during exit! */
756 KeBugCheckEx(KERNEL_STACK_LOCKED_AT_EXIT
, 0, 0, 0, 0);
759 /* Cancel I/O for the thread. */
760 IoCancelThreadIo(Thread
);
765 /* FIXME: Rundown Registry Notifications (NtChangeNotify)
766 CmNotifyRunDown(Thread); */
768 /* Rundown Mutexes */
771 /* Check if we have a TEB */
772 Teb
= Thread
->Tcb
.Teb
;
775 /* Check if the thread is still alive */
776 if (!Thread
->DeadThread
)
778 /* Check if we need to free its stack */
779 if (Teb
->FreeStackOnTermination
)
781 /* Set the TEB's Deallocation Stack as the Base Address */
783 DeallocationStack
= Teb
->DeallocationStack
;
785 /* Free the Thread's Stack */
786 ZwFreeVirtualMemory(NtCurrentProcess(),
792 /* Free the debug handle */
793 if (Teb
->DbgSsReserved
[1]) ObCloseHandle(Teb
->DbgSsReserved
[1],
797 /* Decommit the TEB */
798 MmDeleteTeb(CurrentProcess
, Teb
);
799 Thread
->Tcb
.Teb
= NULL
;
803 LpcExitThread(Thread
);
805 /* Save the exit status and exit time */
806 Thread
->ExitStatus
= ExitStatus
;
807 KeQuerySystemTime(&Thread
->ExitTime
);
810 ASSERT(Thread
->Tcb
.CombinedApcDisable
== 0);
812 /* Check if this is the final thread or not */
815 /* Set the process exit time */
816 CurrentProcess
->ExitTime
= Thread
->ExitTime
;
818 /* Exit the process */
819 PspExitProcess(TRUE
, CurrentProcess
);
821 /* Get the process token and check if we need to audit */
822 PrimaryToken
= PsReferencePrimaryToken(CurrentProcess
);
823 if (SeDetailedAuditingWithToken(PrimaryToken
))
826 SeAuditProcessExit(CurrentProcess
);
829 /* Dereference the process token */
830 ObFastDereferenceObject(&CurrentProcess
->Token
, PrimaryToken
);
832 /* Check if this is a VDM Process and rundown the VDM DPCs if so */
833 if (CurrentProcess
->VdmObjects
) { /* VdmRundownDpcs(CurrentProcess); */ }
835 /* Kill the process in the Object Manager */
836 ObKillProcess(CurrentProcess
);
838 /* Check if we have a section object */
839 if (CurrentProcess
->SectionObject
)
841 /* Dereference and clear the Section Object */
842 ObDereferenceObject(CurrentProcess
->SectionObject
);
843 CurrentProcess
->SectionObject
= NULL
;
846 /* Check if the process is part of a job */
847 if (CurrentProcess
->Job
)
849 /* Remove the process from the job */
850 PspExitProcessFromJob(CurrentProcess
->Job
, CurrentProcess
);
855 KeEnterCriticalRegion();
857 /* Disable APC queueing, force a resumption */
858 Thread
->Tcb
.ApcQueueable
= FALSE
;
859 KeForceResumeThread(&Thread
->Tcb
);
862 KeLeaveCriticalRegion();
864 /* Flush the User APCs */
865 FirstEntry
= KeFlushQueueApc(&Thread
->Tcb
, UserMode
);
868 /* Start with the first entry */
869 CurrentEntry
= FirstEntry
;
873 Apc
= CONTAINING_RECORD(CurrentEntry
, KAPC
, ApcListEntry
);
875 /* Move to the next one */
876 CurrentEntry
= CurrentEntry
->Flink
;
878 /* Rundown the APC or de-allocate it */
879 if (Apc
->RundownRoutine
)
881 /* Call its own routine */
882 Apc
->RundownRoutine(Apc
);
886 /* Do it ourselves */
890 while (CurrentEntry
!= FirstEntry
);
893 /* Clean address space if this was the last thread */
894 if (Last
) MmCleanProcessAddressSpace(CurrentProcess
);
896 /* Call the Lego routine */
897 if (Thread
->Tcb
.LegoData
) PspRunLegoRoutine(&Thread
->Tcb
);
899 /* Flush the APC queue, which should be empty */
900 FirstEntry
= KeFlushQueueApc(&Thread
->Tcb
, KernelMode
);
901 if ((FirstEntry
) || (Thread
->Tcb
.CombinedApcDisable
!= 0))
904 KeBugCheckEx(KERNEL_APC_PENDING_DURING_EXIT
,
905 (ULONG_PTR
)FirstEntry
,
906 Thread
->Tcb
.CombinedApcDisable
,
911 /* Signal the process if this was the last thread */
912 if (Last
) KeSetProcess(&CurrentProcess
->Pcb
, 0, FALSE
);
914 /* Terminate the Thread from the Scheduler */
915 KeTerminateThread(0);
920 PsExitSpecialApc(IN PKAPC Apc
,
921 IN OUT PKNORMAL_ROUTINE
* NormalRoutine
,
922 IN OUT PVOID
* NormalContext
,
923 IN OUT PVOID
* SystemArgument1
,
924 IN OUT PVOID
* SystemArgument2
)
928 PSTRACE(PS_KILL_DEBUG
,
929 "Apc: %p SystemArgument2: %p \n", Apc
, SystemArgument2
);
931 /* Don't do anything unless we are in User-Mode */
932 if (Apc
->SystemArgument2
)
935 Status
= (NTSTATUS
)Apc
->NormalContext
;
936 PspExitApcRundown(Apc
);
938 /* Terminate the Thread */
939 PspExitThread(Status
);
945 PspExitNormalApc(IN PVOID NormalContext
,
946 IN PVOID SystemArgument1
,
947 IN PVOID SystemArgument2
)
949 PKAPC Apc
= (PKAPC
)SystemArgument1
;
950 PETHREAD Thread
= PsGetCurrentThread();
952 PSTRACE(PS_KILL_DEBUG
, "SystemArgument2: %p \n", SystemArgument2
);
954 /* This should never happen */
955 ASSERT(!(((ULONG_PTR
)SystemArgument2
) & 1));
957 /* If we're here, this is not a System Thread, so kill it from User-Mode */
960 OriginalApcEnvironment
,
967 /* Now insert the APC with the User-Mode Flag */
968 if (!(KeInsertQueueApc(Apc
,
970 (PVOID
)((ULONG_PTR
)SystemArgument2
| 1),
973 /* Failed to insert, free the APC */
974 PspExitApcRundown(Apc
);
977 /* Set the APC Pending flag */
978 Thread
->Tcb
.ApcState
.UserApcPending
= TRUE
;
982 * See "Windows Internals" - Chapter 13, Page 49
986 PspTerminateThreadByPointer(IN PETHREAD Thread
,
987 IN NTSTATUS ExitStatus
,
991 NTSTATUS Status
= STATUS_SUCCESS
;
994 PSTRACE(PS_KILL_DEBUG
, "Thread: %p ExitStatus: %d\n", Thread
, ExitStatus
);
997 /* Check if this is a Critical Thread, and Bugcheck */
998 if (Thread
->BreakOnTermination
)
1000 /* Break to debugger */
1001 PspCatchCriticalBreak("Terminating critical thread 0x%p (%s)\n",
1003 Thread
->ThreadsProcess
->ImageFileName
);
1006 /* Check if we are already inside the thread */
1007 if ((bSelf
) || (PsGetCurrentThread() == Thread
))
1009 /* This should only happen at passive */
1010 ASSERT_IRQL_EQUAL(PASSIVE_LEVEL
);
1012 /* Mark it as terminated */
1013 PspSetCrossThreadFlag(Thread
, CT_TERMINATED_BIT
);
1015 /* Directly terminate the thread */
1016 PspExitThread(ExitStatus
);
1019 /* This shouldn't be a system thread */
1020 if (Thread
->SystemThread
) return STATUS_ACCESS_DENIED
;
1022 /* Allocate the APC */
1023 Apc
= ExAllocatePoolWithTag(NonPagedPool
, sizeof(KAPC
), TAG_TERMINATE_APC
);
1024 if (!Apc
) return STATUS_INSUFFICIENT_RESOURCES
;
1026 /* Set the Terminated Flag */
1027 Flags
= Thread
->CrossThreadFlags
| CT_TERMINATED_BIT
;
1029 /* Set it, and check if it was already set while we were running */
1030 if (!(InterlockedExchange((PLONG
)&Thread
->CrossThreadFlags
, Flags
) &
1033 /* Initialize a Kernel Mode APC to Kill the Thread */
1034 KeInitializeApc(Apc
,
1036 OriginalApcEnvironment
,
1043 /* Insert it into the APC Queue */
1044 if (!KeInsertQueueApc(Apc
, Apc
, NULL
, 2))
1046 /* The APC was already in the queue, fail */
1047 Status
= STATUS_UNSUCCESSFUL
;
1051 /* Forcefully resume the thread and return */
1052 KeForceResumeThread(&Thread
->Tcb
);
1057 /* We failed, free the APC */
1058 ExFreePoolWithTag(Apc
, TAG_TERMINATE_APC
);
1066 PspIsProcessExiting(IN PEPROCESS Process
)
1068 return Process
->Flags
& PSF_PROCESS_EXITING_BIT
;
1073 PspExitProcess(IN BOOLEAN LastThread
,
1074 IN PEPROCESS Process
)
1078 PSTRACE(PS_KILL_DEBUG
,
1079 "LastThread: %u Process: %p\n", LastThread
, Process
);
1080 PSREFTRACE(Process
);
1082 /* Set Process Exit flag */
1083 InterlockedOr((PLONG
)&Process
->Flags
, PSF_PROCESS_EXITING_BIT
);
1085 /* Check if we are the last thread */
1088 /* Notify the WMI Process Callback */
1089 //WmiTraceProcess(Process, FALSE);
1091 /* Run the Notification Routines */
1092 PspRunCreateProcessNotifyRoutines(Process
, FALSE
);
1095 /* Cleanup the power state */
1096 PopCleanupPowerState((PPOWER_STATE
)&Process
->Pcb
.PowerState
);
1098 /* Clear the security port */
1099 if (!Process
->SecurityPort
)
1101 /* So we don't double-dereference */
1102 Process
->SecurityPort
= (PVOID
)1;
1104 else if (Process
->SecurityPort
!= (PVOID
)1)
1106 /* Dereference it */
1107 ObDereferenceObject(Process
->SecurityPort
);
1108 Process
->SecurityPort
= (PVOID
)1;
1111 /* Check if we are the last thread */
1114 /* Check if we have to set the Timer Resolution */
1115 if (Process
->SetTimerResolution
)
1117 /* Set it to default */
1118 ZwSetTimerResolution(KeMaximumIncrement
, 0, &Actual
);
1121 /* Check if we are part of a Job that has a completion port */
1122 if ((Process
->Job
) && (Process
->Job
->CompletionPort
))
1124 /* FIXME: Check job status code and do I/O completion if needed */
1127 /* FIXME: Notify the Prefetcher */
1131 /* Clear process' address space here */
1132 MmCleanProcessAddressSpace(Process
);
1136 /* PUBLIC FUNCTIONS **********************************************************/
1143 PsTerminateSystemThread(IN NTSTATUS ExitStatus
)
1145 PETHREAD Thread
= PsGetCurrentThread();
1147 /* Make sure this is a system thread */
1148 if (!Thread
->SystemThread
) return STATUS_INVALID_PARAMETER
;
1150 /* Terminate it for real */
1151 return PspTerminateThreadByPointer(Thread
, ExitStatus
, TRUE
);
1159 NtTerminateProcess(IN HANDLE ProcessHandle OPTIONAL
,
1160 IN NTSTATUS ExitStatus
)
1163 PEPROCESS Process
, CurrentProcess
= PsGetCurrentProcess();
1164 PETHREAD Thread
, CurrentThread
= PsGetCurrentThread();
1165 BOOLEAN KillByHandle
;
1167 PSTRACE(PS_KILL_DEBUG
,
1168 "ProcessHandle: %p ExitStatus: %d\n", ProcessHandle
, ExitStatus
);
1170 /* Were we passed a process handle? */
1173 /* Yes we were, use it */
1174 KillByHandle
= TRUE
;
1178 /* We weren't... we assume this is suicide */
1179 KillByHandle
= FALSE
;
1180 ProcessHandle
= NtCurrentProcess();
1183 /* Get the Process Object */
1184 Status
= ObReferenceObjectByHandle(ProcessHandle
,
1187 KeGetPreviousMode(),
1190 if (!NT_SUCCESS(Status
)) return(Status
);
1192 /* Check if this is a Critical Process, and Bugcheck */
1193 if (Process
->BreakOnTermination
)
1195 /* Break to debugger */
1196 PspCatchCriticalBreak("Terminating critical process 0x%p (%s)\n",
1198 Process
->ImageFileName
);
1201 /* Lock the Process */
1202 if (!ExAcquireRundownProtection(&Process
->RundownProtect
))
1204 /* Failed to lock, fail */
1205 ObDereferenceObject (Process
);
1206 return STATUS_PROCESS_IS_TERMINATING
;
1209 /* Set the delete flag, unless the process is comitting suicide */
1210 if (KillByHandle
) PspSetProcessFlag(Process
, PSF_PROCESS_DELETE_BIT
);
1212 /* Get the first thread */
1213 Status
= STATUS_NOTHING_TO_TERMINATE
;
1214 Thread
= PsGetNextProcessThread(Process
, NULL
);
1217 /* We know we have at least a thread */
1218 Status
= STATUS_SUCCESS
;
1220 /* Loop and kill the others */
1223 /* Ensure it's not ours*/
1224 if (Thread
!= CurrentThread
)
1227 PspTerminateThreadByPointer(Thread
, ExitStatus
, FALSE
);
1230 /* Move to the next thread */
1231 Thread
= PsGetNextProcessThread(Process
, Thread
);
1235 /* Unlock the process */
1236 ExReleaseRundownProtection(&Process
->RundownProtect
);
1238 /* Check if we are killing ourselves */
1239 if (Process
== CurrentProcess
)
1241 /* Also make sure the caller gave us our handle */
1244 /* Dereference the process */
1245 ObDereferenceObject(Process
);
1247 /* Terminate ourselves */
1248 PspTerminateThreadByPointer(CurrentThread
, ExitStatus
, TRUE
);
1251 else if (ExitStatus
== DBG_TERMINATE_PROCESS
)
1253 /* Disable debugging on this process */
1254 DbgkClearProcessDebugObject(Process
, NULL
);
1257 /* Check if there was nothing to terminate, or if we have a Debug Port */
1258 if ((Status
== STATUS_NOTHING_TO_TERMINATE
) ||
1259 ((Process
->DebugPort
) && (KillByHandle
)))
1261 /* Clear the handle table */
1262 ObClearProcessHandleTable(Process
);
1264 /* Return status now */
1265 Status
= STATUS_SUCCESS
;
1268 /* Decrease the reference count we added */
1269 ObDereferenceObject(Process
);
1277 NtTerminateThread(IN HANDLE ThreadHandle
,
1278 IN NTSTATUS ExitStatus
)
1281 PETHREAD CurrentThread
= PsGetCurrentThread();
1284 PSTRACE(PS_KILL_DEBUG
,
1285 "ThreadHandle: %p ExitStatus: %d\n", ThreadHandle
, ExitStatus
);
1287 /* Handle the special NULL case */
1290 /* Check if we're the only thread left */
1291 if (PsGetCurrentProcess()->ActiveThreads
== 1)
1293 /* This is invalid */
1294 return STATUS_CANT_TERMINATE_SELF
;
1297 /* Terminate us directly */
1300 else if (ThreadHandle
== NtCurrentThread())
1303 /* Terminate this thread */
1304 return PspTerminateThreadByPointer(CurrentThread
,
1309 /* We are terminating another thread, get the Thread Object */
1310 Status
= ObReferenceObjectByHandle(ThreadHandle
,
1313 KeGetPreviousMode(),
1316 if (!NT_SUCCESS(Status
)) return Status
;
1318 /* Check to see if we're running in the same thread */
1319 if (Thread
!= CurrentThread
)
1322 Status
= PspTerminateThreadByPointer(Thread
, ExitStatus
, FALSE
);
1324 /* Dereference the Thread and return */
1325 ObDereferenceObject(Thread
);
1329 /* Dereference the thread and terminate ourselves */
1330 ObDereferenceObject(Thread
);
1340 NtRegisterThreadTerminatePort(IN HANDLE PortHandle
)
1343 PTERMINATION_PORT TerminationPort
;
1344 PVOID TerminationLpcPort
;
1347 PSTRACE(PS_KILL_DEBUG
, "PortHandle: %p\n", PortHandle
);
1350 Status
= ObReferenceObjectByHandle(PortHandle
,
1353 KeGetPreviousMode(),
1354 &TerminationLpcPort
,
1356 if (!NT_SUCCESS(Status
)) return(Status
);
1358 /* Allocate the Port and make sure it suceeded */
1359 TerminationPort
= ExAllocatePoolWithTag(NonPagedPool
,
1360 sizeof(TERMINATION_PORT
),
1364 /* Associate the Port */
1365 Thread
= PsGetCurrentThread();
1366 TerminationPort
->Port
= TerminationLpcPort
;
1367 TerminationPort
->Next
= Thread
->TerminationPort
;
1368 Thread
->TerminationPort
= TerminationPort
;
1370 /* Return success */
1371 return STATUS_SUCCESS
;
1374 /* Dereference and Fail */
1375 ObDereferenceObject(TerminationPort
);
1376 return STATUS_INSUFFICIENT_RESOURCES
;