ReactOS  0.4.15-dev-3287-gfec35dc
procobj.c
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1 /*
2  * PROJECT: ReactOS Kernel
3  * LICENSE: GPL - See COPYING in the top level directory
4  * FILE: ntoskrnl/ke/procobj.c
5  * PURPOSE: Kernel Process Management and System Call Tables
6  * PROGRAMMERS: Alex Ionescu
7  * Gregor Anich
8  */
9 
10 /* INCLUDES ******************************************************************/
11 
12 #include <ntoskrnl.h>
13 #define NDEBUG
14 #include <debug.h>
15 
16 /* GLOBALS *******************************************************************/
17 
22 
25 
30 
31 /* PRIVATE FUNCTIONS *********************************************************/
32 
33 VOID
34 NTAPI
37  IN PKLOCK_QUEUE_HANDLE ApcLock,
38  IN PRKAPC_STATE SavedApcState)
39 {
40 #if 0
41  PLIST_ENTRY ListHead, NextEntry;
42  PKTHREAD CurrentThread;
43 #endif
44  ASSERT(Process != Thread->ApcState.Process);
45 
46  /* Increase Stack Count */
47  ASSERT(Process->StackCount != MAXULONG_PTR);
48  Process->StackCount++;
49 
50  /* Swap the APC Environment */
51  KiMoveApcState(&Thread->ApcState, SavedApcState);
52 
53  /* Reinitialize Apc State */
54  InitializeListHead(&Thread->ApcState.ApcListHead[KernelMode]);
55  InitializeListHead(&Thread->ApcState.ApcListHead[UserMode]);
56  Thread->ApcState.Process = Process;
57  Thread->ApcState.KernelApcInProgress = FALSE;
58  Thread->ApcState.KernelApcPending = FALSE;
59  Thread->ApcState.UserApcPending = FALSE;
60 
61  /* Update Environment Pointers if needed*/
62  if (SavedApcState == &Thread->SavedApcState)
63  {
64  Thread->ApcStatePointer[OriginalApcEnvironment] = &Thread->
65  SavedApcState;
66  Thread->ApcStatePointer[AttachedApcEnvironment] = &Thread->ApcState;
67  Thread->ApcStateIndex = AttachedApcEnvironment;
68  }
69 
70  /* Check if the process is paged in */
71  if (Process->State == ProcessInMemory)
72  {
73  /* Scan the ready list */
74 #if 0
75  ListHead = &Process->ReadyListHead;
76  NextEntry = ListHead->Flink;
77  while (NextEntry != ListHead)
78  {
79  /* Get the thread */
80  CurrentThread = CONTAINING_RECORD(NextEntry, KTHREAD, WaitListEntry);
81 
82  /* Remove it */
83  RemoveEntryList(NextEntry);
84  CurrentThread->ProcessReadyQueue = FALSE;
85 
86  /* Mark it ready */
87  KiReadyThread(CurrentThread);
88 
89  /* Go to the next one */
90  NextEntry = ListHead->Flink;
91  }
92 #endif
93 
94  /* Release dispatcher lock */
96 
97  /* Release lock */
99 
100  /* Swap Processes */
101  KiSwapProcess(Process, SavedApcState->Process);
102 
103  /* Exit the dispatcher */
104  KiExitDispatcher(ApcLock->OldIrql);
105  }
106  else
107  {
108  DPRINT1("Errr. ReactOS doesn't support paging out processes yet...\n");
109  ASSERT(FALSE);
110  }
111 }
112 
113 VOID
114 NTAPI
118  IN PULONG_PTR DirectoryTableBase,
119  IN BOOLEAN Enable)
120 {
121 #ifdef CONFIG_SMP
122  ULONG i = 0;
123  UCHAR IdealNode = 0;
124  PKNODE Node;
125 #endif
126 
127  /* Initialize the Dispatcher Header */
128  Process->Header.Type = ProcessObject;
129  Process->Header.Size = sizeof(KPROCESS) / sizeof(ULONG);
130  Process->Header.SignalState = 0;
131  InitializeListHead(&(Process->Header.WaitListHead));
132 
133  /* Initialize Scheduler Data, Alignment Faults and Set the PDE */
134  Process->Affinity = Affinity;
135  Process->BasePriority = (CHAR)Priority;
136  Process->QuantumReset = 6;
137  Process->DirectoryTableBase[0] = DirectoryTableBase[0];
138  Process->DirectoryTableBase[1] = DirectoryTableBase[1];
139  Process->AutoAlignment = Enable;
140 #if defined(_M_IX86)
142 #endif
143 
144  /* Initialize the lists */
145  InitializeListHead(&Process->ThreadListHead);
146  InitializeListHead(&Process->ProfileListHead);
147  InitializeListHead(&Process->ReadyListHead);
148 
149  /* Initialize the current State */
150  Process->State = ProcessInMemory;
151 
152  /* Check how many Nodes there are on the system */
153 #ifdef CONFIG_SMP
154  if (KeNumberNodes > 1)
155  {
156  /* Set the new seed */
158  IdealNode = KeProcessNodeSeed;
159 
160  /* Loop every node */
161  do
162  {
163  /* Check if the affinity matches */
164  if (KeNodeBlock[IdealNode]->ProcessorMask != Affinity) break;
165 
166  /* No match, try next Ideal Node and increase node loop index */
167  IdealNode++;
168  i++;
169 
170  /* Check if the Ideal Node is beyond the total number of nodes */
171  if (IdealNode >= KeNumberNodes)
172  {
173  /* Normalize the Ideal Node */
174  IdealNode -= KeNumberNodes;
175  }
176  } while (i < KeNumberNodes);
177  }
178 
179  /* Set the ideal node and get the ideal node block */
180  Process->IdealNode = IdealNode;
181  Node = KeNodeBlock[IdealNode];
182  ASSERT(Node->ProcessorMask & Affinity);
183 
184  /* Find the matching affinity set to calculate the thread seed */
185  Affinity &= Node->ProcessorMask;
186  Process->ThreadSeed = KeFindNextRightSetAffinity(Node->Seed,
187  (ULONG)Affinity);
188  Node->Seed = Process->ThreadSeed;
189 #endif
190 }
191 
192 ULONG
193 NTAPI
196  IN BOOLEAN InWait)
197 {
198  KIRQL OldIrql;
199  ULONG OldState;
202 
203  /* Lock Dispatcher */
205 
206  /* Get Old State */
207  OldState = Process->Header.SignalState;
208 
209  /* Signal the Process */
210  Process->Header.SignalState = TRUE;
211 
212  /* Check if was unsignaled and has waiters */
213  if (!(OldState) &&
214  !(IsListEmpty(&Process->Header.WaitListHead)))
215  {
216  /* Unwait the threads */
217  KxUnwaitThread(&Process->Header, Increment);
218  }
219 
220  /* Release Dispatcher Database */
222 
223  /* Return the previous State */
224  return OldState;
225 }
226 
227 VOID
228 NTAPI
230  IN UCHAR Quantum)
231 {
232  KLOCK_QUEUE_HANDLE ProcessLock;
233  PLIST_ENTRY NextEntry, ListHead;
237 
238  /* Lock the process */
240 
241  /* Set new quantum */
242  Process->QuantumReset = Quantum;
243 
244  /* Loop all child threads */
245  ListHead = &Process->ThreadListHead;
246  NextEntry = ListHead->Flink;
247  while (ListHead != NextEntry)
248  {
249  /* Get the thread */
250  Thread = CONTAINING_RECORD(NextEntry, KTHREAD, ThreadListEntry);
251 
252  /* Set quantum */
253  Thread->QuantumReset = Quantum;
254 
255  /* Go to the next one */
256  NextEntry = NextEntry->Flink;
257  }
258 
259  /* Release lock */
260  KiReleaseProcessLock(&ProcessLock);
261 }
262 
263 KAFFINITY
264 NTAPI
267 {
268 
269  KLOCK_QUEUE_HANDLE ProcessLock;
270  PLIST_ENTRY NextEntry, ListHead;
271  KAFFINITY OldAffinity;
276 
277  /* Lock the process */
279 
280  /* Acquire the dispatcher lock */
282 
283  /* Capture old affinity and update it */
284  OldAffinity = Process->Affinity;
285  Process->Affinity = Affinity;
286 
287  /* Loop all child threads */
288  ListHead = &Process->ThreadListHead;
289  NextEntry = ListHead->Flink;
290  while (ListHead != NextEntry)
291  {
292  /* Get the thread */
293  Thread = CONTAINING_RECORD(NextEntry, KTHREAD, ThreadListEntry);
294 
295  /* Set affinity on it */
297  NextEntry = NextEntry->Flink;
298  }
299 
300  /* Release Dispatcher Database */
302 
303  /* Release the process lock */
305  KiExitDispatcher(ProcessLock.OldIrql);
306 
307  /* Return previous affinity */
308  return OldAffinity;
309 }
310 
311 BOOLEAN
312 NTAPI
314  IN BOOLEAN Enable)
315 {
316  /* Set or reset the bit depending on what the enable flag says */
317  if (Enable)
318  {
319  return InterlockedBitTestAndSet(&Process->ProcessFlags,
321  }
322  else
323  {
324  return InterlockedBitTestAndReset(&Process->ProcessFlags,
326  }
327 }
328 
329 BOOLEAN
330 NTAPI
332  IN BOOLEAN Disable)
333 {
334  /* Set or reset the bit depending on what the disable flag says */
335  if (Disable)
336  {
337  return InterlockedBitTestAndSet(&Process->ProcessFlags,
339  }
340  else
341  {
342  return InterlockedBitTestAndReset(&Process->ProcessFlags,
344  }
345 }
346 
347 KPRIORITY
348 NTAPI
351  IN UCHAR Quantum OPTIONAL)
352 {
353  KLOCK_QUEUE_HANDLE ProcessLock;
355  PLIST_ENTRY NextEntry, ListHead;
356  KPRIORITY NewPriority, OldPriority;
360 
361  /* Check if the process already has this priority */
362  if (Process->BasePriority == Priority) return Process->BasePriority;
363 
364  /* If the caller gave priority 0, normalize to 1 */
365  if (!Priority) Priority = LOW_PRIORITY + 1;
366 
367  /* Lock the process */
369 
370  /* Acquire the dispatcher lock */
372 
373  /* Check if we are modifying the quantum too */
374  if (Quantum) Process->QuantumReset = Quantum;
375 
376  /* Save the current base priority and update it */
377  OldPriority = Process->BasePriority;
378  Process->BasePriority = (SCHAR)Priority;
379 
380  /* Calculate the priority delta */
381  Delta = Priority - OldPriority;
382 
383  /* Set the list head and list entry */
384  ListHead = &Process->ThreadListHead;
385  NextEntry = ListHead->Flink;
386 
387  /* Check if this is a real-time priority */
389  {
390  /* Loop the thread list */
391  while (NextEntry != ListHead)
392  {
393  /* Get the thread */
394  Thread = CONTAINING_RECORD(NextEntry, KTHREAD, ThreadListEntry);
395 
396  /* Update the quantum if we had one */
397  if (Quantum) Thread->QuantumReset = Quantum;
398 
399  /* Acquire the thread lock */
401 
402  /* Calculate the new priority */
403  NewPriority = Thread->BasePriority + Delta;
404  if (NewPriority < LOW_REALTIME_PRIORITY)
405  {
406  /* We're in real-time range, don't let it go below */
407  NewPriority = LOW_REALTIME_PRIORITY;
408  }
409  else if (NewPriority > HIGH_PRIORITY)
410  {
411  /* We're going beyond the maximum priority, normalize */
412  NewPriority = HIGH_PRIORITY;
413  }
414 
415  /*
416  * If priority saturation occured or the old priority was still in
417  * the real-time range, don't do anything.
418  */
419  if (!(Thread->Saturation) || (OldPriority < LOW_REALTIME_PRIORITY))
420  {
421  /* Check if we had priority saturation */
422  if (Thread->Saturation > 0)
423  {
424  /* Boost priority to maximum */
425  NewPriority = HIGH_PRIORITY;
426  }
427  else if (Thread->Saturation < 0)
428  {
429  /* If we had negative saturation, set minimum priority */
430  NewPriority = LOW_REALTIME_PRIORITY;
431  }
432 
433  /* Update priority and quantum */
434  Thread->BasePriority = (SCHAR)NewPriority;
435  Thread->Quantum = Thread->QuantumReset;
436 
437  /* Disable decrements and update priority */
438  Thread->PriorityDecrement = 0;
439  KiSetPriorityThread(Thread, NewPriority);
440  }
441 
442  /* Release the thread lock */
444 
445  /* Go to the next thread */
446  NextEntry = NextEntry->Flink;
447  }
448  }
449  else
450  {
451  /* Loop the thread list */
452  while (NextEntry != ListHead)
453  {
454  /* Get the thread */
455  Thread = CONTAINING_RECORD(NextEntry, KTHREAD, ThreadListEntry);
456 
457  /* Update the quantum if we had one */
458  if (Quantum) Thread->QuantumReset = Quantum;
459 
460  /* Lock the thread */
462 
463  /* Calculate the new priority */
464  NewPriority = Thread->BasePriority + Delta;
465  if (NewPriority >= LOW_REALTIME_PRIORITY)
466  {
467  /* We're not real-time range, don't let it enter RT range */
468  NewPriority = LOW_REALTIME_PRIORITY - 1;
469  }
470  else if (NewPriority <= LOW_PRIORITY)
471  {
472  /* We're going below the minimum priority, normalize */
473  NewPriority = 1;
474  }
475 
476  /*
477  * If priority saturation occured or the old priority was still in
478  * the real-time range, don't do anything.
479  */
480  if (!(Thread->Saturation) ||
481  (OldPriority >= LOW_REALTIME_PRIORITY))
482  {
483  /* Check if we had priority saturation */
484  if (Thread->Saturation > 0)
485  {
486  /* Boost priority to maximum */
487  NewPriority = LOW_REALTIME_PRIORITY - 1;
488  }
489  else if (Thread->Saturation < 0)
490  {
491  /* If we had negative saturation, set minimum priority */
492  NewPriority = 1;
493  }
494 
495  /* Update priority and quantum */
496  Thread->BasePriority = (SCHAR)NewPriority;
497  Thread->Quantum = Thread->QuantumReset;
498 
499  /* Disable decrements and update priority */
500  Thread->PriorityDecrement = 0;
501  KiSetPriorityThread(Thread, NewPriority);
502  }
503 
504  /* Release the thread lock */
506 
507  /* Go to the next thread */
508  NextEntry = NextEntry->Flink;
509  }
510  }
511 
512  /* Release Dispatcher Database */
514 
515  /* Release the process lock */
517  KiExitDispatcher(ProcessLock.OldIrql);
518 
519  /* Return previous priority */
520  return OldPriority;
521 }
522 
523 VOID
524 NTAPI
526  PPROCESS_VALUES Values)
527 {
528  PEPROCESS EProcess;
529  PLIST_ENTRY NextEntry;
530  ULONG TotalKernel, TotalUser;
531  KLOCK_QUEUE_HANDLE ProcessLock;
532 
535 
536  /* Lock the process */
538 
539  /* Initialize user and kernel times */
540  TotalKernel = Process->KernelTime;
541  TotalUser = Process->UserTime;
542 
543  /* Copy the IO_COUNTERS from the process */
544  EProcess = (PEPROCESS)Process;
551 
552  /* Loop all child threads and sum up their times */
553  for (NextEntry = Process->ThreadListHead.Flink;
554  NextEntry != &Process->ThreadListHead;
555  NextEntry = NextEntry->Flink)
556  {
558 
559  /* Get the thread */
560  Thread = CONTAINING_RECORD(NextEntry, KTHREAD, ThreadListEntry);
561 
562  /* Sum up times */
563  TotalKernel += Thread->KernelTime;
564  TotalUser += Thread->UserTime;
565  }
566 
567  /* Release the process lock */
568  KiReleaseProcessLock(&ProcessLock);
569 
570  /* Compute total times */
571  Values->TotalKernelTime.QuadPart = TotalKernel * (LONGLONG)KeMaximumIncrement;
572  Values->TotalUserTime.QuadPart = TotalUser * (LONGLONG)KeMaximumIncrement;
573 }
574 
575 /* PUBLIC FUNCTIONS **********************************************************/
576 
577 /*
578  * @implemented
579  */
580 VOID
581 NTAPI
583 {
584  KLOCK_QUEUE_HANDLE ApcLock;
588 
589  /* Check if we're already in that process */
590  if (Thread->ApcState.Process == Process) return;
591 
592  /* Check if a DPC is executing or if we're already attached */
593  if ((Thread->ApcStateIndex != OriginalApcEnvironment) ||
594  (KeIsExecutingDpc()))
595  {
596  /* Invalid attempt */
597  KeBugCheckEx(INVALID_PROCESS_ATTACH_ATTEMPT,
599  (ULONG_PTR)Thread->ApcState.Process,
600  Thread->ApcStateIndex,
601  KeIsExecutingDpc());
602  }
603  else
604  {
605  /* Acquire APC Lock */
607 
608  /* Acquire the dispatcher lock */
610 
611  /* Legit attach attempt: do it! */
612  KiAttachProcess(Thread, Process, &ApcLock, &Thread->SavedApcState);
613  }
614 }
615 
616 /*
617  * @implemented
618  */
619 VOID
620 NTAPI
622 {
624  KLOCK_QUEUE_HANDLE ApcLock;
627 
628  /* Check if it's attached */
629  if (Thread->ApcStateIndex == OriginalApcEnvironment) return;
630 
631  /* Acquire APC Lock */
633 
634  /* Check for invalid attach attempts */
635  if ((Thread->ApcState.KernelApcInProgress) ||
636  !(IsListEmpty(&Thread->ApcState.ApcListHead[KernelMode])) ||
637  !(IsListEmpty(&Thread->ApcState.ApcListHead[UserMode])))
638  {
639  /* Crash the system */
640  KeBugCheck(INVALID_PROCESS_DETACH_ATTEMPT);
641  }
642 
643  /* Get the process */
644  Process = Thread->ApcState.Process;
645 
646  /* Acquire dispatcher lock */
648 
649  /* Decrease the stack count */
650  ASSERT(Process->StackCount != 0);
651  ASSERT(Process->State == ProcessInMemory);
652  Process->StackCount--;
653 
654  /* Check if we can swap the process out */
655  if (!Process->StackCount)
656  {
657  /* FIXME: Swap the process out */
658  }
659 
660  /* Release dispatcher lock */
662 
663  /* Restore the APC State */
664  KiMoveApcState(&Thread->SavedApcState, &Thread->ApcState);
665  Thread->SavedApcState.Process = NULL;
666  Thread->ApcStatePointer[OriginalApcEnvironment] = &Thread->ApcState;
667  Thread->ApcStatePointer[AttachedApcEnvironment] = &Thread->SavedApcState;
668  Thread->ApcStateIndex = OriginalApcEnvironment;
669 
670  /* Release lock */
672 
673  /* Swap Processes */
674  KiSwapProcess(Thread->ApcState.Process, Process);
675 
676  /* Exit the dispatcher */
677  KiExitDispatcher(ApcLock.OldIrql);
678 
679  /* Check if we have pending APCs */
680  if (!(IsListEmpty(&Thread->ApcState.ApcListHead[KernelMode])))
681  {
682  /* What do you know, we do! Request them to be delivered */
683  Thread->ApcState.KernelApcPending = TRUE;
685  }
686 }
687 
688 /*
689  * @implemented
690  */
691 BOOLEAN
692 NTAPI
694 {
695  /* Return the APC State */
696  return KeGetCurrentThread()->ApcStateIndex;
697 }
698 
699 /*
700  * @implemented
701  */
702 VOID
703 NTAPI
706 {
707  KLOCK_QUEUE_HANDLE ApcLock;
711 
712  /* Crash system if DPC is being executed! */
713  if (KeIsExecutingDpc())
714  {
715  /* Executing a DPC, crash! */
716  KeBugCheckEx(INVALID_PROCESS_ATTACH_ATTEMPT,
718  (ULONG_PTR)Thread->ApcState.Process,
719  Thread->ApcStateIndex,
720  KeIsExecutingDpc());
721  }
722 
723  /* Check if we are already in the target process */
724  if (Thread->ApcState.Process == Process)
725  {
726  /* Set magic value so we don't crash later when detaching */
727  ApcState->Process = (PKPROCESS)1;
728  return;
729  }
730 
731  /* Acquire APC Lock */
733 
734  /* Acquire dispatcher lock */
736 
737  /* Check if the Current Thread is already attached */
738  if (Thread->ApcStateIndex != OriginalApcEnvironment)
739  {
740  /* We're already attached, so save the APC State into what we got */
741  KiAttachProcess(Thread, Process, &ApcLock, ApcState);
742  }
743  else
744  {
745  /* We're not attached, so save the APC State into SavedApcState */
746  KiAttachProcess(Thread, Process, &ApcLock, &Thread->SavedApcState);
747  ApcState->Process = NULL;
748  }
749 }
750 
751 /*
752  * @implemented
753  */
754 VOID
755 NTAPI
757 {
758  KLOCK_QUEUE_HANDLE ApcLock;
762 
763  /* Check for magic value meaning we were already in the same process */
764  if (ApcState->Process == (PKPROCESS)1) return;
765 
766  /* Loop to make sure no APCs are pending */
767  for (;;)
768  {
769  /* Acquire APC Lock */
771 
772  /* Check if a kernel APC is pending */
773  if (Thread->ApcState.KernelApcPending)
774  {
775  /* Check if kernel APC should be delivered */
776  if (!(Thread->KernelApcDisable) && (ApcLock.OldIrql <= APC_LEVEL))
777  {
778  /* Release the APC lock so that the APC can be delivered */
779  KiReleaseApcLock(&ApcLock);
780  continue;
781  }
782  }
783 
784  /* Otherwise, break out */
785  break;
786  }
787 
788  /*
789  * Check if the process isn't attacked, or has a Kernel APC in progress
790  * or has pending APC of any kind.
791  */
792  if ((Thread->ApcStateIndex == OriginalApcEnvironment) ||
793  (Thread->ApcState.KernelApcInProgress) ||
794  (!IsListEmpty(&Thread->ApcState.ApcListHead[KernelMode])) ||
795  (!IsListEmpty(&Thread->ApcState.ApcListHead[UserMode])))
796  {
797  /* Bugcheck the system */
798  KeBugCheck(INVALID_PROCESS_DETACH_ATTEMPT);
799  }
800 
801  /* Get the process */
802  Process = Thread->ApcState.Process;
803 
804  /* Acquire dispatcher lock */
806 
807  /* Decrease the stack count */
808  ASSERT(Process->StackCount != 0);
809  ASSERT(Process->State == ProcessInMemory);
810  Process->StackCount--;
811 
812  /* Check if we can swap the process out */
813  if (!Process->StackCount)
814  {
815  /* FIXME: Swap the process out */
816  }
817 
818  /* Release dispatcher lock */
820 
821  /* Check if there's an APC state to restore */
822  if (ApcState->Process)
823  {
824  /* Restore the APC State */
825  KiMoveApcState(ApcState, &Thread->ApcState);
826  }
827  else
828  {
829  /* The ApcState parameter is useless, so use the saved data and reset it */
830  KiMoveApcState(&Thread->SavedApcState, &Thread->ApcState);
831  Thread->SavedApcState.Process = NULL;
832  Thread->ApcStateIndex = OriginalApcEnvironment;
833  Thread->ApcStatePointer[OriginalApcEnvironment] = &Thread->ApcState;
834  Thread->ApcStatePointer[AttachedApcEnvironment] = &Thread->SavedApcState;
835  }
836 
837  /* Release lock */
839 
840  /* Swap Processes */
841  KiSwapProcess(Thread->ApcState.Process, Process);
842 
843  /* Exit the dispatcher */
844  KiExitDispatcher(ApcLock.OldIrql);
845 
846  /* Check if we have pending APCs */
847  if (!(IsListEmpty(&Thread->ApcState.ApcListHead[KernelMode])))
848  {
849  /* What do you know, we do! Request them to be delivered */
850  Thread->ApcState.KernelApcPending = TRUE;
852  }
853 }
854 
855 /*
856  * @implemented
857  */
858 ULONG
859 NTAPI
862 {
863  ULONG TotalUser, TotalKernel;
864  KLOCK_QUEUE_HANDLE ProcessLock;
865  PLIST_ENTRY NextEntry, ListHead;
867 
869 
870  /* Initialize user and kernel times */
871  TotalUser = Process->UserTime;
872  TotalKernel = Process->KernelTime;
873 
874  /* Lock the process */
876 
877  /* Loop all child threads and sum up their times */
878  ListHead = &Process->ThreadListHead;
879  NextEntry = ListHead->Flink;
880  while (ListHead != NextEntry)
881  {
882  /* Get the thread */
883  Thread = CONTAINING_RECORD(NextEntry, KTHREAD, ThreadListEntry);
884 
885  /* Sum up times */
886  TotalKernel += Thread->KernelTime;
887  TotalUser += Thread->UserTime;
888 
889  /* Go to the next one */
890  NextEntry = NextEntry->Flink;
891  }
892 
893  /* Release lock */
894  KiReleaseProcessLock(&ProcessLock);
895 
896  /* Return the user time */
897  *UserTime = TotalUser;
898 
899  /* Return the kernel time */
900  return TotalKernel;
901 }
902 
903 /*
904  * @implemented
905  */
906 BOOLEAN
907 NTAPI
910  IN ULONG Limit,
911  IN PUCHAR Number,
912  IN ULONG Index)
913 {
914  PAGED_CODE();
915 
916  /* Check if descriptor table entry is free */
917  if ((Index > SSDT_MAX_ENTRIES - 1) ||
920  {
921  /* It's not, fail */
922  return FALSE;
923  }
924 
925  /* Initialize the shadow service descriptor table */
930  return TRUE;
931 }
932 
933 /*
934  * @implemented
935  */
936 BOOLEAN
937 NTAPI
939 {
940  PAGED_CODE();
941 
942  /* Make sure the Index is valid */
943  if (Index > (SSDT_MAX_ENTRIES - 1)) return FALSE;
944 
945  /* Is there a Normal Descriptor Table? */
947  {
948  /* Not with the index, is there a shadow at least? */
950  }
951 
952  /* Now clear from the Shadow Table. */
957 
958  /* Check if we should clean from the Master one too */
959  if (Index == 1)
960  {
965  }
966 
967  /* Return success */
968  return TRUE;
969 }
970 /* EOF */
LARGE_INTEGER WriteOperationCount
Definition: pstypes.h:1347
#define KeGetCurrentIrql()
Definition: env_spec_w32.h:706
FORCEINLINE VOID KiReleaseThreadLock(IN PKTHREAD Thread)
Definition: ke_x.h:250
#define LOW_PRIORITY
ULONG KeMaximumIncrement
Definition: clock.c:20
BOOLEAN NTAPI KeSetAutoAlignmentProcess(IN PKPROCESS Process, IN BOOLEAN Enable)
Definition: procobj.c:313
KAFFINITY FASTCALL KiSetAffinityThread(IN PKTHREAD Thread, IN KAFFINITY Affinity)
Definition: thrdschd.c:685
PVOID KeUserCallbackDispatcher
Definition: procobj.c:27
ULONGLONG OtherOperationCount
Definition: pstypes.h:85
#define ASSERT_IRQL_LESS_OR_EQUAL(x)
Definition: debug.h:251
#define IN
Definition: typedefs.h:39
LARGE_INTEGER ReadOperationCount
Definition: pstypes.h:1346
FORCEINLINE VOID KiAcquireProcessLockRaiseToSynch(IN PKPROCESS Process, IN PKLOCK_QUEUE_HANDLE Handle)
Definition: ke_x.h:651
VOID NTAPI KiAttachProcess(IN PKTHREAD Thread, IN PKPROCESS Process, IN PKLOCK_QUEUE_HANDLE ApcLock, IN PRKAPC_STATE SavedApcState)
Definition: procobj.c:35
#define KPSF_DISABLE_BOOST_BIT
Definition: pstypes.h:268
#define TRUE
Definition: types.h:120
BOOLEAN NTAPI KeAddSystemServiceTable(IN PULONG_PTR Base, IN PULONG Count OPTIONAL, IN ULONG Limit, IN PUCHAR Number, IN ULONG Index)
Definition: procobj.c:908
unsigned char * PUCHAR
Definition: retypes.h:3
KEVENT KiSwapEvent
Definition: procobj.c:21
_In_ ULONGLONG _In_ ULONGLONG _In_ BOOLEAN Enable
Definition: ntddpcm.h:140
ULONG NTAPI KeSetProcess(IN PKPROCESS Process, IN KPRIORITY Increment, IN BOOLEAN InWait)
Definition: procobj.c:194
_In_opt_ ULONG Base
Definition: rtlfuncs.h:2386
struct _EPROCESS * PEPROCESS
Definition: nt_native.h:30
ULONGLONG WriteOperationCount
Definition: pstypes.h:84
#define MAXULONG_PTR
Definition: basetsd.h:103
#define LOW_REALTIME_PRIORITY
IO_COUNTERS IoInfo
Definition: ke.h:48
#define SSDT_MAX_ENTRIES
Definition: ketypes.h:100
ULONG ProcessReadyQueue
Definition: ketypes.h:1627
FORCEINLINE VOID KiReleaseApcLock(IN PKLOCK_QUEUE_HANDLE Handle)
Definition: ke_x.h:635
BOOLEAN NTAPI KeIsExecutingDpc(VOID)
Definition: dpc.c:947
_Must_inspect_result_ FORCEINLINE BOOLEAN IsListEmpty(_In_ const LIST_ENTRY *ListHead)
Definition: rtlfuncs.h:57
LONG KPRIORITY
Definition: compat.h:662
uint32_t ULONG_PTR
Definition: typedefs.h:65
FORCEINLINE BOOLEAN RemoveEntryList(_In_ PLIST_ENTRY Entry)
Definition: rtlfuncs.h:105
UCHAR KIRQL
Definition: env_spec_w32.h:591
UCHAR NTAPI KeFindNextRightSetAffinity(IN UCHAR Number, IN ULONG Set)
Definition: thrdobj.c:32
NTSTATUS(* NTAPI)(IN PFILE_FULL_EA_INFORMATION EaBuffer, IN ULONG EaLength, OUT PULONG ErrorOffset)
Definition: IoEaTest.cpp:117
#define FALSE
Definition: types.h:117
BOOLEAN NTAPI KeRemoveSystemServiceTable(IN ULONG Index)
Definition: procobj.c:938
VOID NTAPI KeStackAttachProcess(IN PKPROCESS Process, OUT PRKAPC_STATE ApcState)
Definition: procobj.c:704
LIST_ENTRY KiStackInSwapListHead
Definition: procobj.c:20
DECLSPEC_NORETURN VOID NTAPI KeBugCheck(ULONG BugCheckCode)
Definition: bug.c:1427
KAFFINITY NTAPI KeSetAffinityProcess(IN PKPROCESS Process, IN KAFFINITY Affinity)
Definition: procobj.c:265
union node Node
Definition: types.h:1255
UCHAR KeProcessNodeSeed
Definition: krnlinit.c:41
VOID FASTCALL KiSetPriorityThread(IN PKTHREAD Thread, IN KPRIORITY Priority)
Definition: thrdschd.c:511
BOOLEAN NTAPI KeIsAttachedProcess(VOID)
Definition: procobj.c:693
ULONG NTAPI KeQueryRuntimeProcess(IN PKPROCESS Process, OUT PULONG UserTime)
Definition: procobj.c:860
#define InterlockedBitTestAndReset
Definition: interlocked.h:35
unsigned char BOOLEAN
KSERVICE_TABLE_DESCRIPTOR KeServiceDescriptorTableShadow[SSDT_MAX_ENTRIES]
Definition: procobj.c:24
LARGE_INTEGER OtherTransferCount
Definition: pstypes.h:1351
VOID NTAPI KeInitializeProcess(IN OUT PKPROCESS Process, IN KPRIORITY Priority, IN KAFFINITY Affinity, IN PULONG_PTR DirectoryTableBase, IN BOOLEAN Enable)
Definition: procobj.c:115
LIST_ENTRY KiProcessInSwapListHead
Definition: procobj.c:19
ULONGLONG WriteTransferCount
Definition: pstypes.h:87
#define HIGH_PRIORITY
PFLT_MESSAGE_WAITER_QUEUE CONTAINING_RECORD(Csq, DEVICE_EXTENSION, IrpQueue)) -> WaiterQ.mLock) _IRQL_raises_(DISPATCH_LEVEL) VOID NTAPI FltpAcquireMessageWaiterLock(_In_ PIO_CSQ Csq, _Out_ PKIRQL Irql)
Definition: Messaging.c:560
VOID FASTCALL KiExitDispatcher(KIRQL OldIrql)
VOID NTAPI KiReadyThread(IN PKTHREAD Thread)
Definition: thrdschd.c:429
KIRQL OldIrql
Definition: mm.h:1502
_Out_ PULONG UserTime
Definition: kefuncs.h:771
#define InterlockedBitTestAndSet
Definition: interlocked.h:30
VOID NTAPI KeQueryValuesProcess(IN PKPROCESS Process, PPROCESS_VALUES Values)
Definition: procobj.c:525
FORCEINLINE VOID KiAcquireThreadLock(IN PKTHREAD Thread)
Definition: ke_x.h:240
int64_t LONGLONG
Definition: typedefs.h:68
#define IO_ACCESS_MAP_NONE
Definition: ketypes.h:267
struct _LIST_ENTRY * Flink
Definition: typedefs.h:121
struct _KPROCESS KPROCESS
int Count
Definition: noreturn.cpp:7
PVOID KeUserExceptionDispatcher
Definition: procobj.c:28
#define KPSF_AUTO_ALIGNMENT_BIT
Definition: pstypes.h:267
#define ASSERT(a)
Definition: mode.c:44
_In_ WDFCOLLECTION _In_ ULONG Index
KPRIORITY NTAPI KeSetPriorityAndQuantumProcess(IN PKPROCESS Process, IN KPRIORITY Priority, IN UCHAR Quantum OPTIONAL)
Definition: procobj.c:349
VOID NTAPI KeSetQuantumProcess(IN PKPROCESS Process, IN UCHAR Quantum)
Definition: procobj.c:229
PKNODE KeNodeBlock[1]
Definition: krnlinit.c:39
signed char SCHAR
Definition: sqltypes.h:14
_In_ ULONG _In_ ULONG _In_ ULONG _Out_ PKIRQL _Out_ PKAFFINITY Affinity
Definition: halfuncs.h:170
_In_opt_ PFILE_OBJECT _In_opt_ PETHREAD Thread
Definition: fltkernel.h:2652
LARGE_INTEGER WriteTransferCount
Definition: pstypes.h:1350
FORCEINLINE VOID KiReleaseProcessLock(IN PKLOCK_QUEUE_HANDLE Handle)
Definition: ke_x.h:660
VOID NTAPI KeDetachProcess(VOID)
Definition: procobj.c:621
_In_ WDFINTERRUPT _In_ WDF_INTERRUPT_POLICY _In_ WDF_INTERRUPT_PRIORITY Priority
Definition: wdfinterrupt.h:651
unsigned char UCHAR
Definition: xmlstorage.h:181
ULONGLONG ReadTransferCount
Definition: pstypes.h:86
FORCEINLINE VOID KiReleaseDispatcherLockFromSynchLevel(VOID)
Definition: ke_x.h:174
Definition: typedefs.h:119
FORCEINLINE VOID KiAcquireApcLockRaiseToSynch(IN PKTHREAD Thread, IN PKLOCK_QUEUE_HANDLE Handle)
Definition: ke_x.h:607
_In_opt_ PENTER_STATE_SYSTEM_HANDLER _In_opt_ PVOID _In_ LONG _In_opt_ LONG volatile * Number
Definition: ntpoapi.h:204
KAFFINITY KeActiveProcessors
Definition: krnlinit.c:23
FORCEINLINE VOID KiReleaseProcessLockFromSynchLevel(IN PKLOCK_QUEUE_HANDLE Handle)
Definition: ke_x.h:668
UCHAR KeNumberNodes
Definition: krnlinit.c:40
VOID NTAPI KiSwapProcess(struct _KPROCESS *NewProcess, struct _KPROCESS *OldProcess)
#define DISPATCH_LEVEL
Definition: env_spec_w32.h:696
VOID FASTCALL HalRequestSoftwareInterrupt(IN KIRQL Irql)
Definition: pic.c:271
FORCEINLINE VOID KiReleaseApcLockFromSynchLevel(IN PKLOCK_QUEUE_HANDLE Handle)
Definition: ke_x.h:643
FORCEINLINE VOID KiReleaseDispatcherLock(IN KIRQL OldIrql)
Definition: ke_x.h:157
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
FORCEINLINE KIRQL KiAcquireDispatcherLock(VOID)
Definition: ke_x.h:149
struct _KPROCESS * PKPROCESS
Definition: wdm.template.h:206
ULONG_PTR KAFFINITY
Definition: compat.h:85
VOID NTAPI KeAttachProcess(IN PKPROCESS Process)
Definition: procobj.c:582
#define KiComputeIopmOffset(MapNumber)
Definition: ketypes.h:269
VOID NTAPI KiMoveApcState(PKAPC_STATE OldState, PKAPC_STATE NewState)
Definition: apc.c:538
VOID NTAPI KeUnstackDetachProcess(IN PRKAPC_STATE ApcState)
Definition: procobj.c:756
#define InitializeListHead(ListHead)
Definition: env_spec_w32.h:944
*RESTRICTED_POINTER PRKAPC_STATE
Definition: ketypes.h:1280
static ULONG Delta
Definition: xboxvideo.c:33
_Out_ PKAPC_STATE ApcState
Definition: mm.h:1679
unsigned int * PULONG
Definition: retypes.h:1
#define NULL
Definition: types.h:112
LARGE_INTEGER TotalKernelTime
Definition: ke.h:46
LIST_ENTRY KiProcessOutSwapListHead
Definition: procobj.c:19
#define DPRINT1
Definition: precomp.h:8
LARGE_INTEGER OtherOperationCount
Definition: pstypes.h:1348
BOOLEAN NTAPI KeSetDisableBoostProcess(IN PKPROCESS Process, IN BOOLEAN Disable)
Definition: procobj.c:331
LARGE_INTEGER ReadTransferCount
Definition: pstypes.h:1349
PVOID KeRaiseUserExceptionDispatcher
Definition: procobj.c:29
_Must_inspect_result_ _In_ PLARGE_INTEGER _In_ PLARGE_INTEGER _In_ ULONG _In_ PFILE_OBJECT _In_ PVOID Process
Definition: fsrtlfuncs.h:219
#define OUT
Definition: typedefs.h:40
KSERVICE_TABLE_DESCRIPTOR KeServiceDescriptorTable[SSDT_MAX_ENTRIES]
Definition: procobj.c:23
LIST_ENTRY KiProcessListHead
Definition: procobj.c:18
unsigned int ULONG
Definition: retypes.h:1
uint32_t * PULONG_PTR
Definition: typedefs.h:65
LARGE_INTEGER TotalUserTime
Definition: ke.h:47
PVOID KeUserApcDispatcher
Definition: procobj.c:26
ULONGLONG OtherTransferCount
Definition: pstypes.h:88
FORCEINLINE VOID KxUnwaitThread(IN DISPATCHER_HEADER *Object, IN KPRIORITY Increment)
Definition: ke_x.h:1259
#define KeGetCurrentThread
Definition: hal.h:55
IN OUT PLONG IN OUT PLONG Addend IN OUT PLONG IN LONG Increment
Definition: CrNtStubs.h:42
#define CHAR(Char)
#define ASSERT_PROCESS(object)
Definition: ketypes.h:2072
#define APC_LEVEL
Definition: env_spec_w32.h:695
_In_ LONG _In_ LONG Limit
Definition: kefuncs.h:315
VOID NTAPI KeBugCheckEx(_In_ ULONG BugCheckCode, _In_ ULONG_PTR BugCheckParameter1, _In_ ULONG_PTR BugCheckParameter2, _In_ ULONG_PTR BugCheckParameter3, _In_ ULONG_PTR BugCheckParameter4)
Definition: rtlcompat.c:108
LONGLONG QuadPart
Definition: typedefs.h:114
ULONGLONG ReadOperationCount
Definition: pstypes.h:83
FORCEINLINE VOID KiAcquireDispatcherLockAtSynchLevel(VOID)
Definition: ke_x.h:165
Definition: dlist.c:348
#define PAGED_CODE()
PULONG MinorVersion OPTIONAL
Definition: CrossNt.h:68