reactos/ntoskrnl/ps/kill.c

   1 /*
   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
   9  */
  10
  11 /* INCLUDES *****************************************************************/
  12
  13 #include <ntoskrnl.h>
  14 #define NDEBUG
  15 #include <debug.h>
  16
  17 /* GLOBALS *******************************************************************/
  18
  19 LIST_ENTRY PspReaperListHead = { NULL, NULL };
  20 WORK_QUEUE_ITEM PspReaperWorkItem;
  21 LARGE_INTEGER ShortTime = {{-10 * 100 * 1000, -1}};
  22
  23 /* PRIVATE FUNCTIONS *********************************************************/
  24
  25 VOID
  26 NTAPI
  27 PspCatchCriticalBreak(IN PCHAR Message,
  28                       IN PVOID ProcessOrThread,
  29                       IN PCHAR ImageName)
  30 {
  31     CHAR Action[2];
  32     BOOLEAN Handled = FALSE;
  33     PAGED_CODE();
  34
  35     /* Check if a debugger is enabled */
  36     if (KdDebuggerEnabled)
  37     {
  38         /* Print out the message */
  39         DbgPrint(Message, ProcessOrThread, ImageName);
  40         do
  41         {
  42             /* If a debugger isn't present, don't prompt */
  43             if (KdDebuggerNotPresent) break;
  44
  45             /* A debuger is active, prompt for action */
  46             DbgPrompt("Break, or Ignore (bi)?", Action, sizeof(Action));
  47             switch (Action[0])
  48             {
  49                 /* Break */
  50                 case 'B': case 'b':
  51
  52                     /* Do a breakpoint */
  53                     DbgBreakPoint();
  54
  55                 /* Ignore */
  56                 case 'I': case 'i':
  57
  58                     /* Handle it */
  59                     Handled = TRUE;
  60
  61                 /* Unrecognized */
  62                 default:
  63                     break;
  64             }
  65         } while (!Handled);
  66     }
  67
  68     /* Did we ultimately handle this? */
  69     if (!Handled)
  70     {
  71         /* We didn't, bugcheck */
  72         KeBugCheckEx(CRITICAL_OBJECT_TERMINATION,
  73                      ((PKPROCESS)ProcessOrThread)->Header.Type,
  74                      (ULONG_PTR)ProcessOrThread,
  75                      (ULONG_PTR)ImageName,
  76                      (ULONG_PTR)Message);
  77     }
  78 }
  79
  80 NTSTATUS
  81 NTAPI
  82 PspTerminateProcess(IN PEPROCESS Process,
  83                     IN NTSTATUS ExitStatus)
  84 {
  85     PETHREAD Thread;
  86     NTSTATUS Status = STATUS_NOTHING_TO_TERMINATE;
  87     PAGED_CODE();
  88     PSTRACE(PS_KILL_DEBUG,
  89             "Process: %p ExitStatus: %d\n", Process, ExitStatus);
  90     PSREFTRACE(Process);
  91
  92     /* Check if this is a Critical Process */
  93     if (Process->BreakOnTermination)
  94     {
  95         /* Break to debugger */
  96         PspCatchCriticalBreak("Terminating critical process 0x%p (%s)\n",
  97                               Process,
  98                               Process->ImageFileName);
  99     }
 100
 101     /* Set the delete flag */
 102     InterlockedOr((PLONG)&Process->Flags, PSF_PROCESS_DELETE_BIT);
 103
 104     /* Get the first thread */
 105     Thread = PsGetNextProcessThread(Process, NULL);
 106     while (Thread)
 107     {
 108         /* Kill it */
 109         PspTerminateThreadByPointer(Thread, ExitStatus, FALSE);
 110         Thread = PsGetNextProcessThread(Process, Thread);
 111
 112         /* We had at least one thread, so termination is OK */
 113         Status = STATUS_SUCCESS;
 114     }
 115
 116     /* Check if there was nothing to terminate or if we have a debug port */
 117     if ((Status == STATUS_NOTHING_TO_TERMINATE) || (Process->DebugPort))
 118     {
 119         /* Clear the handle table anyway */
 120         ObClearProcessHandleTable(Process);
 121     }
 122
 123     /* Return status */
 124     return Status;
 125 }
 126
 127 NTSTATUS
 128 NTAPI
 129 PsTerminateProcess(IN PEPROCESS Process,
 130                    IN NTSTATUS ExitStatus)
 131 {
 132     /* Call the internal API */
 133     return PspTerminateProcess(Process, ExitStatus);
 134 }
 135
 136 VOID
 137 NTAPI
 138 PspShutdownProcessManager(VOID)
 139 {
 140     PEPROCESS Process = NULL;
 141
 142     /* Loop every process */
 143     Process = PsGetNextProcess(Process);
 144     while (Process)
 145     {
 146         /* Make sure this isn't the idle or initial process */
 147         if ((Process != PsInitialSystemProcess) && (Process != PsIdleProcess))
 148         {
 149             /* Kill it */
 150             PspTerminateProcess(Process, STATUS_SYSTEM_SHUTDOWN);
 151         }
 152
 153         /* Get the next process */
 154         Process = PsGetNextProcess(Process);
 155     }
 156 }
 157
 158 VOID
 159 NTAPI
 160 PspExitApcRundown(IN PKAPC Apc)
 161 {
 162     PAGED_CODE();
 163
 164     /* Free the APC */
 165     ExFreePool(Apc);
 166 }
 167
 168 VOID
 169 NTAPI
 170 PspReapRoutine(IN PVOID Context)
 171 {
 172     PSINGLE_LIST_ENTRY NextEntry;
 173     PETHREAD Thread;
 174     PSTRACE(PS_KILL_DEBUG, "Context: %p\n", Context);
 175
 176     /* Start main loop */
 177     do
 178     {
 179         /* Write magic value and return the next entry to process */
 180         NextEntry = InterlockedExchangePointer(&PspReaperListHead.Flink,
 181                                                (PVOID)1);
 182         ASSERT((NextEntry != NULL) && (NextEntry != (PVOID)1));
 183
 184         /* Start inner loop */
 185         do
 186         {
 187             /* Get the first Thread Entry */
 188             Thread = CONTAINING_RECORD(NextEntry, ETHREAD, ReaperLink);
 189
 190             /* Delete this entry's kernel stack */
 191             MmDeleteKernelStack((PVOID)Thread->Tcb.StackBase,
 192                                 Thread->Tcb.LargeStack);
 193             Thread->Tcb.InitialStack = NULL;
 194
 195             /* Move to the next entry */
 196             NextEntry = NextEntry->Next;
 197
 198             /* Dereference this thread */
 199             ObDereferenceObject(Thread);
 200         } while ((NextEntry != NULL) && (NextEntry != (PVOID)1));
 201
 202         /* Remove magic value, keep looping if it got changed */
 203     } while (InterlockedCompareExchangePointer(&PspReaperListHead.Flink,
 204                                                0,
 205                                                (PVOID)1) != (PVOID)1);
 206 }
 207
 208 #if DBG
 209 VOID
 210 NTAPI
 211 PspCheckProcessList()
 212 {
 213     PLIST_ENTRY Entry;
 214
 215     KeAcquireGuardedMutex(&PspActiveProcessMutex);
 216     DbgPrint("# checking PsActiveProcessHead @ %p\n", &PsActiveProcessHead);
 217     for (Entry = PsActiveProcessHead.Flink;
 218          Entry != &PsActiveProcessHead;
 219          Entry = Entry->Flink)
 220     {
 221         PEPROCESS Process = CONTAINING_RECORD(Entry, EPROCESS, ActiveProcessLinks);
 222         POBJECT_HEADER Header;
 223         PVOID Info, HeaderLocation;
 224
 225         /* Get the header and assume this is what we'll free */
 226         Header = OBJECT_TO_OBJECT_HEADER(Process);
 227         HeaderLocation = Header;
 228
 229         /* To find the header, walk backwards from how we allocated */
 230         if ((Info = OBJECT_HEADER_TO_CREATOR_INFO(Header)))
 231         {
 232             HeaderLocation = Info;
 233         }
 234         if ((Info = OBJECT_HEADER_TO_NAME_INFO(Header)))
 235         {
 236             HeaderLocation = Info;
 237         }
 238         if ((Info = OBJECT_HEADER_TO_HANDLE_INFO(Header)))
 239         {
 240             HeaderLocation = Info;
 241         }
 242         if ((Info = OBJECT_HEADER_TO_QUOTA_INFO(Header)))
 243         {
 244             HeaderLocation = Info;
 245         }
 246
 247         ExpCheckPoolAllocation(HeaderLocation, NonPagedPool, 'corP');
 248     }
 249
 250     KeReleaseGuardedMutex(&PspActiveProcessMutex);
 251 }
 252 #endif
 253
 254 VOID
 255 NTAPI
 256 PspDeleteProcess(IN PVOID ObjectBody)
 257 {
 258     PEPROCESS Process = (PEPROCESS)ObjectBody;
 259     KAPC_STATE ApcState;
 260     PAGED_CODE();
 261     PSTRACE(PS_KILL_DEBUG, "ObjectBody: %p\n", ObjectBody);
 262     PSREFTRACE(Process);
 263
 264     /* Check if it has an Active Process Link */
 265     if (Process->ActiveProcessLinks.Flink)
 266     {
 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);
 273     }
 274
 275     /* Check for Auditing information */
 276     if (Process->SeAuditProcessCreationInfo.ImageFileName)
 277     {
 278         /* Free it */
 279         ExFreePoolWithTag(Process->SeAuditProcessCreationInfo.ImageFileName,
 280                           TAG_SEPA);
 281         Process->SeAuditProcessCreationInfo.ImageFileName = NULL;
 282     }
 283
 284     /* Check if we have a job */
 285     if (Process->Job)
 286     {
 287         /* Remove the process from the job */
 288         PspRemoveProcessFromJob(Process, Process->Job);
 289
 290         /* Dereference it */
 291         ObDereferenceObject(Process->Job);
 292         Process->Job = NULL;
 293     }
 294
 295     /* Increase the stack count */
 296     Process->Pcb.StackCount++;
 297
 298     /* Check if we have a debug port */
 299     if (Process->DebugPort)
 300     {
 301         /* Deference the Debug Port */
 302         ObDereferenceObject(Process->DebugPort);
 303         Process->DebugPort = NULL;
 304     }
 305
 306     /* Check if we have an exception port */
 307     if (Process->ExceptionPort)
 308     {
 309         /* Deference the Exception Port */
 310         ObDereferenceObject(Process->ExceptionPort);
 311         Process->ExceptionPort = NULL;
 312     }
 313
 314     /* Check if we have a section object */
 315     if (Process->SectionObject)
 316     {
 317         /* Deference the Section Object */
 318         ObDereferenceObject(Process->SectionObject);
 319         Process->SectionObject = NULL;
 320     }
 321
 322 #if defined(_X86_)
 323     /* Clean Ldt and Vdm objects */
 324     PspDeleteLdt(Process);
 325     PspDeleteVdmObjects(Process);
 326 #endif
 327
 328     /* Delete the Object Table */
 329     if (Process->ObjectTable)
 330     {
 331         /* Attach to the process */
 332         KeStackAttachProcess(&Process->Pcb, &ApcState);
 333
 334         /* Kill the Object Info */
 335         ObKillProcess(Process);
 336
 337         /* Detach */
 338         KeUnstackDetachProcess(&ApcState);
 339     }
 340
 341     /* Check if we have an address space, and clean it */
 342     if (Process->HasAddressSpace)
 343     {
 344         /* Attach to the process */
 345         KeStackAttachProcess(&Process->Pcb, &ApcState);
 346
 347         /* Clean the Address Space */
 348         PspExitProcess(FALSE, Process);
 349
 350         /* Detach */
 351         KeUnstackDetachProcess(&ApcState);
 352
 353         /* Completely delete the Address Space */
 354         MmDeleteProcessAddressSpace(Process);
 355     }
 356
 357     /* See if we have a PID */
 358     if (Process->UniqueProcessId)
 359     {
 360         /* Delete the PID */
 361         if (!(ExDestroyHandle(PspCidTable, Process->UniqueProcessId, NULL)))
 362         {
 363             /* Something wrong happened, bugcheck */
 364             KeBugCheck(CID_HANDLE_DELETION);
 365         }
 366     }
 367
 368     /* Cleanup security information */
 369     PspDeleteProcessSecurity(Process);
 370
 371     /* Check if we have kept information on the Working Set */
 372     if (Process->WorkingSetWatch)
 373     {
 374         /* Free it */
 375         ExFreePool(Process->WorkingSetWatch);
 376
 377         /* And return the quota it was taking up */
 378         PsReturnProcessNonPagedPoolQuota(Process, 0x2000);
 379     }
 380
 381     /* Dereference the Device Map */
 382     ObDereferenceDeviceMap(Process);
 383
 384     /* Destroy the Quota Block */
 385     PspDestroyQuotaBlock(Process);
 386 }
 387
 388 VOID
 389 NTAPI
 390 PspDeleteThread(IN PVOID ObjectBody)
 391 {
 392     PETHREAD Thread = (PETHREAD)ObjectBody;
 393     PEPROCESS Process = Thread->ThreadsProcess;
 394     PAGED_CODE();
 395     PSTRACE(PS_KILL_DEBUG, "ObjectBody: %p\n", ObjectBody);
 396     PSREFTRACE(Thread);
 397     ASSERT(Thread->Tcb.Win32Thread == NULL);
 398
 399     /* Check if we have a stack */
 400     if (Thread->Tcb.InitialStack)
 401     {
 402         /* Release it */
 403         MmDeleteKernelStack((PVOID)Thread->Tcb.StackBase,
 404                             Thread->Tcb.LargeStack);
 405     }
 406
 407     /* Check if we have a CID Handle */
 408     if (Thread->Cid.UniqueThread)
 409     {
 410         /* Delete the CID Handle */
 411         if (!(ExDestroyHandle(PspCidTable, Thread->Cid.UniqueThread, NULL)))
 412         {
 413             /* Something wrong happened, bugcheck */
 414             KeBugCheck(CID_HANDLE_DELETION);
 415         }
 416     }
 417
 418     /* Cleanup impersionation information */
 419     PspDeleteThreadSecurity(Thread);
 420
 421     /* Make sure the thread was inserted, before continuing */
 422     if (!Process) return;
 423
 424     /* Check if the thread list is valid */
 425     if (Thread->ThreadListEntry.Flink)
 426     {
 427         /* Lock the thread's process */
 428         KeEnterCriticalRegion();
 429         ExAcquirePushLockExclusive(&Process->ProcessLock);
 430
 431         /* Remove us from the list */
 432         RemoveEntryList(&Thread->ThreadListEntry);
 433
 434         /* Release the lock */
 435         ExReleasePushLockExclusive(&Process->ProcessLock);
 436         KeLeaveCriticalRegion();
 437     }
 438
 439     /* Dereference the Process */
 440     ObDereferenceObject(Process);
 441 }
 442
 443 /*
 444  * FUNCTION: Terminates the current thread
 445  * See "Windows Internals" - Chapter 13, Page 50-53
 446  */
 447 VOID
 448 NTAPI
 449 PspExitThread(IN NTSTATUS ExitStatus)
 450 {
 451     CLIENT_DIED_MSG TerminationMsg;
 452     NTSTATUS Status;
 453     PTEB Teb;
 454     PEPROCESS CurrentProcess;
 455     PETHREAD Thread, OtherThread, PreviousThread = NULL;
 456     PVOID DeallocationStack;
 457     SIZE_T Dummy;
 458     BOOLEAN Last = FALSE;
 459     PTERMINATION_PORT TerminationPort, NextPort;
 460     PLIST_ENTRY FirstEntry, CurrentEntry;
 461     PKAPC Apc;
 462     PTOKEN PrimaryToken;
 463     PAGED_CODE();
 464     PSTRACE(PS_KILL_DEBUG, "ExitStatus: %d\n", ExitStatus);
 465
 466     /* Get the Current Thread and Process */
 467     Thread = PsGetCurrentThread();
 468     CurrentProcess = Thread->ThreadsProcess;
 469     ASSERT((Thread) == PsGetCurrentThread());
 470
 471     /* Can't terminate a thread if it attached another process */
 472     if (KeIsAttachedProcess())
 473     {
 474         /* Bugcheck */
 475         KeBugCheckEx(INVALID_PROCESS_ATTACH_ATTEMPT,
 476                      (ULONG_PTR)CurrentProcess,
 477                      (ULONG_PTR)Thread->Tcb.ApcState.Process,
 478                      (ULONG_PTR)Thread->Tcb.ApcStateIndex,
 479                      (ULONG_PTR)Thread);
 480     }
 481
 482     /* Lower to Passive Level */
 483     KeLowerIrql(PASSIVE_LEVEL);
 484
 485     /* Can't be a worker thread */
 486     if (Thread->ActiveExWorker)
 487     {
 488         /* Bugcheck */
 489         KeBugCheckEx(ACTIVE_EX_WORKER_THREAD_TERMINATION,
 490                      (ULONG_PTR)Thread,
 491                      0,
 492                      0,
 493                      0);
 494     }
 495
 496     /* Can't have pending APCs */
 497     if (Thread->Tcb.CombinedApcDisable != 0)
 498     {
 499         /* Bugcheck */
 500         KeBugCheckEx(KERNEL_APC_PENDING_DURING_EXIT,
 501                      0,
 502                      Thread->Tcb.CombinedApcDisable,
 503                      0,
 504                      1);
 505     }
 506
 507     /* Lock the thread */
 508     ExWaitForRundownProtectionRelease(&Thread->RundownProtect);
 509
 510     /* Cleanup the power state */
 511     PopCleanupPowerState((PPOWER_STATE)&Thread->Tcb.PowerState);
 512
 513     /* Call the WMI Callback for Threads */
 514     //WmiTraceThread(Thread, NULL, FALSE);
 515
 516     /* Run Thread Notify Routines before we desintegrate the thread */
 517     PspRunCreateThreadNotifyRoutines(Thread, FALSE);
 518
 519     /* Lock the Process before we modify its thread entries */
 520     KeEnterCriticalRegion();
 521     ExAcquirePushLockExclusive(&CurrentProcess->ProcessLock);
 522
 523     /* Decrease the active thread count, and check if it's 0 */
 524     if (!(--CurrentProcess->ActiveThreads))
 525     {
 526         /* Set the delete flag */
 527         InterlockedOr((PLONG)&CurrentProcess->Flags, PSF_PROCESS_DELETE_BIT);
 528
 529         /* Remember we are last */
 530         Last = TRUE;
 531
 532         /* Check if this termination is due to the thread dying */
 533         if (ExitStatus == STATUS_THREAD_IS_TERMINATING)
 534         {
 535             /* Check if the last thread was pending */
 536             if (CurrentProcess->ExitStatus == STATUS_PENDING)
 537             {
 538                 /* Use the last exit status */
 539                 CurrentProcess->ExitStatus = CurrentProcess->
 540                                              LastThreadExitStatus;
 541             }
 542         }
 543         else
 544         {
 545             /* Just a normal exit, write the code */
 546             CurrentProcess->ExitStatus = ExitStatus;
 547         }
 548
 549         /* Loop all the current threads */
 550         FirstEntry = &CurrentProcess->ThreadListHead;
 551         CurrentEntry = FirstEntry->Flink;
 552         while (FirstEntry != CurrentEntry)
 553         {
 554             /* Get the thread on the list */
 555             OtherThread = CONTAINING_RECORD(CurrentEntry,
 556                                             ETHREAD,
 557                                             ThreadListEntry);
 558
 559             /* Check if it's a thread that's still alive */
 560             if ((OtherThread != Thread) &&
 561                 !(KeReadStateThread(&OtherThread->Tcb)) &&
 562                 (ObReferenceObjectSafe(OtherThread)))
 563             {
 564                 /* It's a live thread and we referenced it, unlock process */
 565                 ExReleasePushLockExclusive(&CurrentProcess->ProcessLock);
 566                 KeLeaveCriticalRegion();
 567
 568                 /* Wait on the thread */
 569                 KeWaitForSingleObject(OtherThread,
 570                                       Executive,
 571                                       KernelMode,
 572                                       FALSE,
 573                                       NULL);
 574
 575                 /* Check if we had a previous thread to dereference */
 576                 if (PreviousThread) ObDereferenceObject(PreviousThread);
 577
 578                 /* Remember the thread and re-lock the process */
 579                 PreviousThread = OtherThread;
 580                 KeEnterCriticalRegion();
 581                 ExAcquirePushLockExclusive(&CurrentProcess->ProcessLock);
 582             }
 583
 584             /* Go to the next thread */
 585             CurrentEntry = CurrentEntry->Flink;
 586         }
 587     }
 588     else if (ExitStatus != STATUS_THREAD_IS_TERMINATING)
 589     {
 590         /* Write down the exit status of the last thread to get killed */
 591         CurrentProcess->LastThreadExitStatus = ExitStatus;
 592     }
 593
 594     /* Unlock the Process */
 595     ExReleasePushLockExclusive(&CurrentProcess->ProcessLock);
 596     KeLeaveCriticalRegion();
 597
 598     /* Check if we had a previous thread to dereference */
 599     if (PreviousThread) ObDereferenceObject(PreviousThread);
 600
 601     /* Check if the process has a debug port and if this is a user thread */
 602     if ((CurrentProcess->DebugPort) && !(Thread->SystemThread))
 603     {
 604         /* Notify the Debug API. */
 605         Last ? DbgkExitProcess(CurrentProcess->ExitStatus) :
 606                DbgkExitThread(ExitStatus);
 607     }
 608
 609     /* Check if this is a Critical Thread */
 610     if ((KdDebuggerEnabled) && (Thread->BreakOnTermination))
 611     {
 612         /* Break to debugger */
 613         PspCatchCriticalBreak("Critical thread 0x%p (in %s) exited\n",
 614                               Thread,
 615                               CurrentProcess->ImageFileName);
 616     }
 617
 618     /* Check if it's the last thread and this is a Critical Process */
 619     if ((Last) && (CurrentProcess->BreakOnTermination))
 620     {
 621         /* Check if a debugger is here to handle this */
 622         if (KdDebuggerEnabled)
 623         {
 624             /* Break to debugger */
 625             PspCatchCriticalBreak("Critical  process 0x%p (in %s) exited\n",
 626                                   CurrentProcess,
 627                                   CurrentProcess->ImageFileName);
 628         }
 629         else
 630         {
 631             /* Bugcheck, we can't allow this */
 632             KeBugCheckEx(CRITICAL_PROCESS_DIED,
 633                          (ULONG_PTR)CurrentProcess,
 634                          0,
 635                          0,
 636                          0);
 637         }
 638     }
 639
 640     /* Sanity check */
 641     ASSERT(Thread->Tcb.CombinedApcDisable == 0);
 642
 643     /* Process the Termination Ports */
 644     TerminationPort = Thread->TerminationPort;
 645     if (TerminationPort)
 646     {
 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);
 653
 654         /* Loop each port */
 655         do
 656         {
 657             /* Save the Create Time */
 658             TerminationMsg.CreateTime = Thread->CreateTime;
 659
 660             /* Loop trying to send message */
 661             while (TRUE)
 662             {
 663                 /* Send the LPC Message */
 664                 Status = LpcRequestPort(TerminationPort->Port,
 665                                         &TerminationMsg.h);
 666                 if ((Status == STATUS_NO_MEMORY) ||
 667                     (Status == STATUS_INSUFFICIENT_RESOURCES))
 668                 {
 669                     /* Wait a bit and try again */
 670                     KeDelayExecutionThread(KernelMode, FALSE, &ShortTime);
 671                     continue;
 672                 }
 673                 break;
 674             }
 675
 676             /* Dereference this LPC Port */
 677             ObDereferenceObject(TerminationPort->Port);
 678
 679             /* Move to the next one */
 680             NextPort = TerminationPort->Next;
 681
 682             /* Free the Termination Port Object */
 683             ExFreePoolWithTag(TerminationPort, '=TsP');
 684
 685             /* Keep looping as long as there is a port */
 686             TerminationPort = NextPort;
 687         } while (TerminationPort);
 688     }
 689     else if (((ExitStatus == STATUS_THREAD_IS_TERMINATING) &&
 690               (Thread->DeadThread)) ||
 691              !(Thread->DeadThread))
 692     {
 693         /*
 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:
 700          *
 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
 705          *    is our exit code.)
 706          *
 707          * For the 2 & 3rd scenarios, the thread has been created far enough to
 708          * warrant notification to the LPC Server.
 709          */
 710
 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);
 716
 717         /* Make sure the process has an exception port */
 718         if (CurrentProcess->ExceptionPort)
 719         {
 720             /* Save the Create Time */
 721             TerminationMsg.CreateTime = Thread->CreateTime;
 722
 723             /* Loop trying to send message */
 724             while (TRUE)
 725             {
 726                 /* Send the LPC Message */
 727                 Status = LpcRequestPort(CurrentProcess->ExceptionPort,
 728                                         &TerminationMsg.h);
 729                 if ((Status == STATUS_NO_MEMORY) ||
 730                     (Status == STATUS_INSUFFICIENT_RESOURCES))
 731                 {
 732                     /* Wait a bit and try again */
 733                     KeDelayExecutionThread(KernelMode, FALSE, &ShortTime);
 734                     continue;
 735                 }
 736                 break;
 737             }
 738         }
 739     }
 740
 741     /* Rundown Win32 Thread if there is one */
 742     if (Thread->Tcb.Win32Thread) PspW32ThreadCallout(Thread,
 743                                                      PsW32ThreadCalloutExit);
 744
 745     /* If we are the last thread and have a W32 Process */
 746     if ((Last) && (CurrentProcess->Win32Process))
 747     {
 748         /* Run it down too */
 749         PspW32ProcessCallout(CurrentProcess, FALSE);
 750     }
 751
 752     /* Make sure Stack Swap is enabled */
 753     if (!Thread->Tcb.EnableStackSwap)
 754     {
 755         /* Stack swap really shouldn't be disabled during exit! */
 756         KeBugCheckEx(KERNEL_STACK_LOCKED_AT_EXIT, 0, 0, 0, 0);
 757     }
 758
 759     /* Cancel I/O for the thread. */
 760     IoCancelThreadIo(Thread);
 761
 762     /* Rundown Timers */
 763     ExTimerRundown();
 764
 765     /* FIXME: Rundown Registry Notifications (NtChangeNotify)
 766     CmNotifyRunDown(Thread); */
 767
 768     /* Rundown Mutexes */
 769     KeRundownThread();
 770
 771     /* Check if we have a TEB */
 772     Teb = Thread->Tcb.Teb;
 773     if (Teb)
 774     {
 775         /* Check if the thread is still alive */
 776         if (!Thread->DeadThread)
 777         {
 778             /* Check if we need to free its stack */
 779             if (Teb->FreeStackOnTermination)
 780             {
 781                 /* Set the TEB's Deallocation Stack as the Base Address */
 782                 Dummy = 0;
 783                 DeallocationStack = Teb->DeallocationStack;
 784
 785                 /* Free the Thread's Stack */
 786                 ZwFreeVirtualMemory(NtCurrentProcess(),
 787                                     &DeallocationStack,
 788                                     &Dummy,
 789                                     MEM_RELEASE);
 790             }
 791
 792             /* Free the debug handle */
 793             if (Teb->DbgSsReserved[1]) ObCloseHandle(Teb->DbgSsReserved[1],
 794                                                      UserMode);
 795         }
 796
 797         /* Decommit the TEB */
 798         MmDeleteTeb(CurrentProcess, Teb);
 799         Thread->Tcb.Teb = NULL;
 800     }
 801
 802     /* Free LPC Data */
 803     LpcExitThread(Thread);
 804
 805     /* Save the exit status and exit time */
 806     Thread->ExitStatus = ExitStatus;
 807     KeQuerySystemTime(&Thread->ExitTime);
 808
 809     /* Sanity check */
 810     ASSERT(Thread->Tcb.CombinedApcDisable == 0);
 811
 812     /* Check if this is the final thread or not */
 813     if (Last)
 814     {
 815         /* Set the process exit time */
 816         CurrentProcess->ExitTime = Thread->ExitTime;
 817
 818         /* Exit the process */
 819         PspExitProcess(TRUE, CurrentProcess);
 820
 821         /* Get the process token and check if we need to audit */
 822         PrimaryToken = PsReferencePrimaryToken(CurrentProcess);
 823         if (SeDetailedAuditingWithToken(PrimaryToken))
 824         {
 825             /* Audit the exit */
 826             SeAuditProcessExit(CurrentProcess);
 827         }
 828
 829         /* Dereference the process token */
 830         ObFastDereferenceObject(&CurrentProcess->Token, PrimaryToken);
 831
 832         /* Check if this is a VDM Process and rundown the VDM DPCs if so */
 833         if (CurrentProcess->VdmObjects) { /* VdmRundownDpcs(CurrentProcess); */ }
 834
 835         /* Kill the process in the Object Manager */
 836         ObKillProcess(CurrentProcess);
 837
 838         /* Check if we have a section object */
 839         if (CurrentProcess->SectionObject)
 840         {
 841             /* Dereference and clear the Section Object */
 842             ObDereferenceObject(CurrentProcess->SectionObject);
 843             CurrentProcess->SectionObject = NULL;
 844         }
 845
 846         /* Check if the process is part of a job */
 847         if (CurrentProcess->Job)
 848         {
 849             /* Remove the process from the job */
 850             PspExitProcessFromJob(CurrentProcess->Job, CurrentProcess);
 851         }
 852     }
 853
 854     /* Disable APCs */
 855     KeEnterCriticalRegion();
 856
 857     /* Disable APC queueing, force a resumption */
 858     Thread->Tcb.ApcQueueable = FALSE;
 859     KeForceResumeThread(&Thread->Tcb);
 860
 861     /* Re-enable APCs */
 862     KeLeaveCriticalRegion();
 863
 864     /* Flush the User APCs */
 865     FirstEntry = KeFlushQueueApc(&Thread->Tcb, UserMode);
 866     if (FirstEntry)
 867     {
 868         /* Start with the first entry */
 869         CurrentEntry = FirstEntry;
 870         do
 871         {
 872            /* Get the APC */
 873            Apc = CONTAINING_RECORD(CurrentEntry, KAPC, ApcListEntry);
 874
 875            /* Move to the next one */
 876            CurrentEntry = CurrentEntry->Flink;
 877
 878            /* Rundown the APC or de-allocate it */
 879            if (Apc->RundownRoutine)
 880            {
 881               /* Call its own routine */
 882               Apc->RundownRoutine(Apc);
 883            }
 884            else
 885            {
 886               /* Do it ourselves */
 887               ExFreePool(Apc);
 888            }
 889         }
 890         while (CurrentEntry != FirstEntry);
 891     }
 892
 893     /* Clean address space if this was the last thread */
 894     if (Last) MmCleanProcessAddressSpace(CurrentProcess);
 895
 896     /* Call the Lego routine */
 897     if (Thread->Tcb.LegoData) PspRunLegoRoutine(&Thread->Tcb);
 898
 899     /* Flush the APC queue, which should be empty */
 900     FirstEntry = KeFlushQueueApc(&Thread->Tcb, KernelMode);
 901     if ((FirstEntry) || (Thread->Tcb.CombinedApcDisable != 0))
 902     {
 903         /* Bugcheck time */
 904         KeBugCheckEx(KERNEL_APC_PENDING_DURING_EXIT,
 905                      (ULONG_PTR)FirstEntry,
 906                      Thread->Tcb.CombinedApcDisable,
 907                      KeGetCurrentIrql(),
 908                      0);
 909     }
 910
 911     /* Signal the process if this was the last thread */
 912     if (Last) KeSetProcess(&CurrentProcess->Pcb, 0, FALSE);
 913
 914     /* Terminate the Thread from the Scheduler */
 915     KeTerminateThread(0);
 916 }
 917
 918 VOID
 919 NTAPI
 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)
 925 {
 926     NTSTATUS Status;
 927     PAGED_CODE();
 928     PSTRACE(PS_KILL_DEBUG,
 929             "Apc: %p SystemArgument2: %p \n", Apc, SystemArgument2);
 930
 931     /* Don't do anything unless we are in User-Mode */
 932     if (Apc->SystemArgument2)
 933     {
 934         /* Free the APC */
 935         Status = (NTSTATUS)Apc->NormalContext;
 936         PspExitApcRundown(Apc);
 937
 938         /* Terminate the Thread */
 939         PspExitThread(Status);
 940     }
 941 }
 942
 943 VOID
 944 NTAPI
 945 PspExitNormalApc(IN PVOID NormalContext,
 946                  IN PVOID SystemArgument1,
 947                  IN PVOID SystemArgument2)
 948 {
 949     PKAPC Apc = (PKAPC)SystemArgument1;
 950     PETHREAD Thread = PsGetCurrentThread();
 951     PAGED_CODE();
 952     PSTRACE(PS_KILL_DEBUG, "SystemArgument2: %p \n", SystemArgument2);
 953
 954     /* This should never happen */
 955     ASSERT(!(((ULONG_PTR)SystemArgument2) & 1));
 956
 957     /* If we're here, this is not a System Thread, so kill it from User-Mode */
 958     KeInitializeApc(Apc,
 959                     &Thread->Tcb,
 960                     OriginalApcEnvironment,
 961                     PsExitSpecialApc,
 962                     PspExitApcRundown,
 963                     PspExitNormalApc,
 964                     UserMode,
 965                     NormalContext);
 966
 967     /* Now insert the APC with the User-Mode Flag */
 968     if (!(KeInsertQueueApc(Apc,
 969                            Apc,
 970                            (PVOID)((ULONG_PTR)SystemArgument2 | 1),
 971                            2)))
 972     {
 973         /* Failed to insert, free the APC */
 974         PspExitApcRundown(Apc);
 975     }
 976
 977     /* Set the APC Pending flag */
 978     Thread->Tcb.ApcState.UserApcPending = TRUE;
 979 }
 980
 981 /*
 982  * See "Windows Internals" - Chapter 13, Page 49
 983  */
 984 NTSTATUS
 985 NTAPI
 986 PspTerminateThreadByPointer(IN PETHREAD Thread,
 987                             IN NTSTATUS ExitStatus,
 988                             IN BOOLEAN bSelf)
 989 {
 990     PKAPC Apc;
 991     NTSTATUS Status = STATUS_SUCCESS;
 992     ULONG Flags;
 993     PAGED_CODE();
 994     PSTRACE(PS_KILL_DEBUG, "Thread: %p ExitStatus: %d\n", Thread, ExitStatus);
 995     PSREFTRACE(Thread);
 996
 997     /* Check if this is a Critical Thread, and Bugcheck */
 998     if (Thread->BreakOnTermination)
 999     {
1000         /* Break to debugger */
1001         PspCatchCriticalBreak("Terminating critical thread 0x%p (%s)\n",
1002                               Thread,
1003                               Thread->ThreadsProcess->ImageFileName);
1004     }
1005
1006     /* Check if we are already inside the thread */
1007     if ((bSelf) || (PsGetCurrentThread() == Thread))
1008     {
1009         /* This should only happen at passive */
1010         ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
1011
1012         /* Mark it as terminated */
1013         PspSetCrossThreadFlag(Thread, CT_TERMINATED_BIT);
1014
1015         /* Directly terminate the thread */
1016         PspExitThread(ExitStatus);
1017     }
1018
1019     /* This shouldn't be a system thread */
1020     if (Thread->SystemThread) return STATUS_ACCESS_DENIED;
1021
1022     /* Allocate the APC */
1023     Apc = ExAllocatePoolWithTag(NonPagedPool, sizeof(KAPC), TAG_TERMINATE_APC);
1024     if (!Apc) return STATUS_INSUFFICIENT_RESOURCES;
1025
1026     /* Set the Terminated Flag */
1027     Flags = Thread->CrossThreadFlags | CT_TERMINATED_BIT;
1028
1029     /* Set it, and check if it was already set while we were running */
1030     if (!(InterlockedExchange((PLONG)&Thread->CrossThreadFlags, Flags) &
1031           CT_TERMINATED_BIT))
1032     {
1033         /* Initialize a Kernel Mode APC to Kill the Thread */
1034         KeInitializeApc(Apc,
1035                         &Thread->Tcb,
1036                         OriginalApcEnvironment,
1037                         PsExitSpecialApc,
1038                         PspExitApcRundown,
1039                         PspExitNormalApc,
1040                         KernelMode,
1041                         (PVOID)ExitStatus);
1042
1043         /* Insert it into the APC Queue */
1044         if (!KeInsertQueueApc(Apc, Apc, NULL, 2))
1045         {
1046             /* The APC was already in the queue, fail */
1047             Status = STATUS_UNSUCCESSFUL;
1048         }
1049         else
1050         {
1051             /* Forcefully resume the thread and return */
1052             KeForceResumeThread(&Thread->Tcb);
1053             return Status;
1054         }
1055     }
1056
1057     /* We failed, free the APC */
1058     ExFreePoolWithTag(Apc, TAG_TERMINATE_APC);
1059
1060     /* Return Status */
1061     return Status;
1062 }
1063
1064 BOOLEAN
1065 NTAPI
1066 PspIsProcessExiting(IN PEPROCESS Process)
1067 {
1068         return Process->Flags & PSF_PROCESS_EXITING_BIT;
1069 }
1070
1071 VOID
1072 NTAPI
1073 PspExitProcess(IN BOOLEAN LastThread,
1074                IN PEPROCESS Process)
1075 {
1076     ULONG Actual;
1077     PAGED_CODE();
1078     PSTRACE(PS_KILL_DEBUG,
1079             "LastThread: %u Process: %p\n", LastThread, Process);
1080     PSREFTRACE(Process);
1081
1082     /* Set Process Exit flag */
1083     InterlockedOr((PLONG)&Process->Flags, PSF_PROCESS_EXITING_BIT);
1084
1085     /* Check if we are the last thread */
1086     if (LastThread)
1087     {
1088         /* Notify the WMI Process Callback */
1089         //WmiTraceProcess(Process, FALSE);
1090
1091         /* Run the Notification Routines */
1092         PspRunCreateProcessNotifyRoutines(Process, FALSE);
1093     }
1094
1095     /* Cleanup the power state */
1096     PopCleanupPowerState((PPOWER_STATE)&Process->Pcb.PowerState);
1097
1098     /* Clear the security port */
1099     if (!Process->SecurityPort)
1100     {
1101         /* So we don't double-dereference */
1102         Process->SecurityPort = (PVOID)1;
1103     }
1104     else if (Process->SecurityPort != (PVOID)1)
1105     {
1106         /* Dereference it */
1107         ObDereferenceObject(Process->SecurityPort);
1108         Process->SecurityPort = (PVOID)1;
1109     }
1110
1111     /* Check if we are the last thread */
1112     if (LastThread)
1113     {
1114         /* Check if we have to set the Timer Resolution */
1115         if (Process->SetTimerResolution)
1116         {
1117             /* Set it to default */
1118             ZwSetTimerResolution(KeMaximumIncrement, 0, &Actual);
1119         }
1120
1121         /* Check if we are part of a Job that has a completion port */
1122         if ((Process->Job) && (Process->Job->CompletionPort))
1123         {
1124             /* FIXME: Check job status code and do I/O completion if needed */
1125         }
1126
1127         /* FIXME: Notify the Prefetcher */
1128     }
1129     else
1130     {
1131         /* Clear process' address space here */
1132         MmCleanProcessAddressSpace(Process);
1133     }
1134 }
1135
1136 /* PUBLIC FUNCTIONS **********************************************************/
1137
1138 /*
1139  * @implemented
1140  */
1141 NTSTATUS
1142 NTAPI
1143 PsTerminateSystemThread(IN NTSTATUS ExitStatus)
1144 {
1145     PETHREAD Thread = PsGetCurrentThread();
1146
1147     /* Make sure this is a system thread */
1148     if (!Thread->SystemThread) return STATUS_INVALID_PARAMETER;
1149
1150     /* Terminate it for real */
1151     return PspTerminateThreadByPointer(Thread, ExitStatus, TRUE);
1152 }
1153
1154 /*
1155  * @implemented
1156  */
1157 NTSTATUS
1158 NTAPI
1159 NtTerminateProcess(IN HANDLE ProcessHandle OPTIONAL,
1160                    IN NTSTATUS ExitStatus)
1161 {
1162     NTSTATUS Status;
1163     PEPROCESS Process, CurrentProcess = PsGetCurrentProcess();
1164     PETHREAD Thread, CurrentThread = PsGetCurrentThread();
1165     BOOLEAN KillByHandle;
1166     PAGED_CODE();
1167     PSTRACE(PS_KILL_DEBUG,
1168             "ProcessHandle: %p ExitStatus: %d\n", ProcessHandle, ExitStatus);
1169
1170     /* Were we passed a process handle? */
1171     if (ProcessHandle)
1172     {
1173         /* Yes we were, use it */
1174         KillByHandle = TRUE;
1175     }
1176     else
1177     {
1178         /* We weren't... we assume this is suicide */
1179         KillByHandle = FALSE;
1180         ProcessHandle = NtCurrentProcess();
1181     }
1182
1183     /* Get the Process Object */
1184     Status = ObReferenceObjectByHandle(ProcessHandle,
1185                                        PROCESS_TERMINATE,
1186                                        PsProcessType,
1187                                        KeGetPreviousMode(),
1188                                        (PVOID*)&Process,
1189                                        NULL);
1190     if (!NT_SUCCESS(Status)) return(Status);
1191
1192     /* Check if this is a Critical Process, and Bugcheck */
1193     if (Process->BreakOnTermination)
1194     {
1195         /* Break to debugger */
1196         PspCatchCriticalBreak("Terminating critical process 0x%p (%s)\n",
1197                               Process,
1198                               Process->ImageFileName);
1199     }
1200
1201     /* Lock the Process */
1202     if (!ExAcquireRundownProtection(&Process->RundownProtect))
1203     {
1204         /* Failed to lock, fail */
1205         ObDereferenceObject (Process);
1206         return STATUS_PROCESS_IS_TERMINATING;
1207     }
1208
1209     /* Set the delete flag, unless the process is comitting suicide */
1210     if (KillByHandle) PspSetProcessFlag(Process, PSF_PROCESS_DELETE_BIT);
1211
1212     /* Get the first thread */
1213     Status = STATUS_NOTHING_TO_TERMINATE;
1214     Thread = PsGetNextProcessThread(Process, NULL);
1215     if (Thread)
1216     {
1217         /* We know we have at least a thread */
1218         Status = STATUS_SUCCESS;
1219
1220         /* Loop and kill the others */
1221         do
1222         {
1223             /* Ensure it's not ours*/
1224             if (Thread != CurrentThread)
1225             {
1226                 /* Kill it */
1227                 PspTerminateThreadByPointer(Thread, ExitStatus, FALSE);
1228             }
1229
1230             /* Move to the next thread */
1231             Thread = PsGetNextProcessThread(Process, Thread);
1232         } while (Thread);
1233     }
1234
1235     /* Unlock the process */
1236     ExReleaseRundownProtection(&Process->RundownProtect);
1237
1238     /* Check if we are killing ourselves */
1239     if (Process == CurrentProcess)
1240     {
1241         /* Also make sure the caller gave us our handle */
1242         if (KillByHandle)
1243         {
1244             /* Dereference the process */
1245             ObDereferenceObject(Process);
1246
1247             /* Terminate ourselves */
1248             PspTerminateThreadByPointer(CurrentThread, ExitStatus, TRUE);
1249         }
1250     }
1251     else if (ExitStatus == DBG_TERMINATE_PROCESS)
1252     {
1253         /* Disable debugging on this process */
1254         DbgkClearProcessDebugObject(Process, NULL);
1255     }
1256
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)))
1260     {
1261         /* Clear the handle table */
1262         ObClearProcessHandleTable(Process);
1263
1264         /* Return status now */
1265         Status = STATUS_SUCCESS;
1266     }
1267
1268     /* Decrease the reference count we added */
1269     ObDereferenceObject(Process);
1270
1271     /* Return status */
1272     return Status;
1273 }
1274
1275 NTSTATUS
1276 NTAPI
1277 NtTerminateThread(IN HANDLE ThreadHandle,
1278                   IN NTSTATUS ExitStatus)
1279 {
1280     PETHREAD Thread;
1281     PETHREAD CurrentThread = PsGetCurrentThread();
1282     NTSTATUS Status;
1283     PAGED_CODE();
1284     PSTRACE(PS_KILL_DEBUG,
1285             "ThreadHandle: %p ExitStatus: %d\n", ThreadHandle, ExitStatus);
1286
1287     /* Handle the special NULL case */
1288     if (!ThreadHandle)
1289     {
1290         /* Check if we're the only thread left */
1291         if (PsGetCurrentProcess()->ActiveThreads == 1)
1292         {
1293             /* This is invalid */
1294             return STATUS_CANT_TERMINATE_SELF;
1295         }
1296
1297         /* Terminate us directly */
1298         goto TerminateSelf;
1299     }
1300     else if (ThreadHandle == NtCurrentThread())
1301     {
1302 TerminateSelf:
1303         /* Terminate this thread */
1304         return PspTerminateThreadByPointer(CurrentThread,
1305                                            ExitStatus,
1306                                            TRUE);
1307     }
1308
1309     /* We are terminating another thread, get the Thread Object */
1310     Status = ObReferenceObjectByHandle(ThreadHandle,
1311                                        THREAD_TERMINATE,
1312                                        PsThreadType,
1313                                        KeGetPreviousMode(),
1314                                        (PVOID*)&Thread,
1315                                        NULL);
1316     if (!NT_SUCCESS(Status)) return Status;
1317
1318     /* Check to see if we're running in the same thread */
1319     if (Thread != CurrentThread)
1320     {
1321         /* Terminate it */
1322         Status = PspTerminateThreadByPointer(Thread, ExitStatus, FALSE);
1323
1324         /* Dereference the Thread and return */
1325         ObDereferenceObject(Thread);
1326     }
1327     else
1328     {
1329         /* Dereference the thread and terminate ourselves */
1330         ObDereferenceObject(Thread);
1331         goto TerminateSelf;
1332     }
1333
1334     /* Return status */
1335     return Status;
1336 }
1337
1338 NTSTATUS
1339 NTAPI
1340 NtRegisterThreadTerminatePort(IN HANDLE PortHandle)
1341 {
1342     NTSTATUS Status;
1343     PTERMINATION_PORT TerminationPort;
1344     PVOID TerminationLpcPort;
1345     PETHREAD Thread;
1346     PAGED_CODE();
1347     PSTRACE(PS_KILL_DEBUG, "PortHandle: %p\n", PortHandle);
1348
1349     /* Get the Port */
1350     Status = ObReferenceObjectByHandle(PortHandle,
1351                                        PORT_ALL_ACCESS,
1352                                        LpcPortObjectType,
1353                                        KeGetPreviousMode(),
1354                                        &TerminationLpcPort,
1355                                        NULL);
1356     if (!NT_SUCCESS(Status)) return(Status);
1357
1358     /* Allocate the Port and make sure it suceeded */
1359     TerminationPort = ExAllocatePoolWithTag(NonPagedPool,
1360                                             sizeof(TERMINATION_PORT),
1361                                             '=TsP');
1362     if(TerminationPort)
1363     {
1364         /* Associate the Port */
1365         Thread = PsGetCurrentThread();
1366         TerminationPort->Port = TerminationLpcPort;
1367         TerminationPort->Next = Thread->TerminationPort;
1368         Thread->TerminationPort = TerminationPort;
1369
1370         /* Return success */
1371         return STATUS_SUCCESS;
1372     }
1373
1374     /* Dereference and Fail */
1375     ObDereferenceObject(TerminationPort);
1376     return STATUS_INSUFFICIENT_RESOURCES;
1377 }