reactos/ntoskrnl/include/internal/ps.h

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 2000 David Welch <welch@cwcom.net>
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id: ps.h,v 1.35 2002/07/04 19:56:35 dwelch Exp $
  20  *
  21  * FILE:            ntoskrnl/ke/kthread.c
  22  * PURPOSE:         Process manager definitions
  23  * PROGRAMMER:      David Welch (welch@cwcom.net)
  24  * UPDATE HISTORY:
  25  *                  Created 22/05/98
  26  */
  27
  28 #ifndef __INCLUDE_INTERNAL_PS_H
  29 #define __INCLUDE_INTERNAL_PS_H
  30
  31 /*
  32  * Defines for accessing KPCR and KTHREAD structure members
  33  */
  34 #define KTHREAD_INITIAL_STACK     0x18
  35 #define KTHREAD_STACK_LIMIT       0x1C
  36 #define KTHREAD_TEB               0x20
  37 #define KTHREAD_KERNEL_STACK      0x28
  38 #define KTHREAD_PREVIOUS_MODE     0x137
  39 #define KTHREAD_TRAP_FRAME        0x128
  40 #define KTHREAD_CALLBACK_STACK    0x120
  41
  42 #define ETHREAD_THREADS_PROCESS   0x258
  43
  44 #define KPROCESS_DIRECTORY_TABLE_BASE 0x18
  45
  46 #define KPCR_BASE                 0xFF000000
  47
  48 #define KPCR_EXCEPTION_LIST       0x0
  49 #define KPCR_SELF                 0x18
  50 #define KPCR_TSS                  0x28
  51 #define KPCR_CURRENT_THREAD       0x124
  52
  53 #ifndef __ASM__
  54
  55 #include <internal/mm.h>
  56 #include <napi/teb.h>
  57
  58 struct _KTHREAD;
  59 struct _KTRAPFRAME;
  60
  61 /* FIXME: This does not work if we have more than 24 IRQs (ie. more than one I/O APIC) */
  62 #define VECTOR2IRQ(vector) (((vector) - 0x31) / 8)
  63 #define VECTOR2IRQL(vector) (4 + VECTOR2IRQ(vector))
  64
  65 /*
  66  * Processor Control Region
  67  */
  68 typedef struct _KPCR
  69 {
  70   PVOID ExceptionList;               /* 00 */
  71   PVOID StackBase;                   /* 04 */
  72   PVOID StackLimit;                  /* 08 */
  73   PVOID SubSystemTib;                /* 0C */
  74   PVOID Reserved1;                   /* 10 */
  75   PVOID ArbitraryUserPointer;        /* 14 */
  76   struct _KPCR* Self;                /* 18 */
  77   UCHAR ProcessorNumber;             /* 1C */
  78   KIRQL Irql;                        /* 1D */
  79   UCHAR Reserved2[0x2];              /* 1E */
  80   PUSHORT IDT;                       /* 20 */
  81   PUSHORT GDT;                       /* 24 */
  82   KTSS* TSS;                         /* 28 */
  83   UCHAR Reserved3[0xF8];             /* 2C */
  84   struct _KTHREAD* CurrentThread;    /* 124 */
  85 } __attribute__((packed)) KPCR, *PKPCR;
  86
  87 static inline PKPCR KeGetCurrentKPCR(VOID)
  88 {
  89   ULONG value;
  90
  91   __asm__ __volatile__ ("movl %%fs:0x18, %0\n\t"
  92           : "=r" (value)
  93     : /* no inputs */
  94     );
  95   return((PKPCR)value);
  96 }
  97
  98 #define KeGetCurrentProcessorNumber() (KeGetCurrentKPCR()->ProcessorNumber)
  99
 100 extern HANDLE SystemProcessHandle;
 101
 102 extern LCID PsDefaultThreadLocaleId;
 103 extern LCID PsDefaultSystemLocaleId;
 104
 105
 106 typedef struct _KAPC_STATE
 107 {
 108    LIST_ENTRY ApcListHead[2];
 109    struct _KPROCESS* Process;
 110    UCHAR KernelApcInProgress;
 111    UCHAR KernelApcPending;
 112    USHORT UserApcPending;
 113 } __attribute__((packed)) KAPC_STATE, *PKAPC_STATE;
 114
 115 typedef struct _KTHREAD
 116 {
 117    /* For waiting on thread exit */
 118    DISPATCHER_HEADER DispatcherHeader;    /* 00 */
 119
 120    /* List of mutants owned by the thread */
 121    LIST_ENTRY        MutantListHead;      /* 10 */
 122    PVOID             InitialStack;        /* 18 */
 123    ULONG             StackLimit;          /* 1C */
 124
 125    /* Pointer to the thread's environment block in user memory */
 126    PTEB              Teb;                 /* 20 */
 127
 128    /* Pointer to the thread's TLS array */
 129    PVOID             TlsArray;            /* 24 */
 130    PVOID             KernelStack;         /* 28 */
 131    UCHAR             DebugActive;         /* 2C */
 132
 133    /* Thread state (one of THREAD_STATE_xxx constants below) */
 134    UCHAR             State;               /* 2D */
 135    UCHAR             Alerted[2];          /* 2E */
 136    UCHAR             Iopl;                /* 30 */
 137    UCHAR             NpxState;            /* 31 */
 138    UCHAR             Saturation;          /* 32 */
 139    CHAR              Priority;            /* 33 */
 140    KAPC_STATE        ApcState;            /* 34 */
 141    ULONG             ContextSwitches;     /* 4C */
 142    ULONG             WaitStatus;          /* 50 */
 143    KIRQL             WaitIrql;            /* 54 */
 144    UCHAR             WaitMode;            /* 55 */
 145    UCHAR             WaitNext;            /* 56 */
 146    UCHAR             WaitReason;          /* 57 */
 147    PKWAIT_BLOCK      WaitBlockList;       /* 58 */
 148    LIST_ENTRY        WaitListEntry;       /* 5C */
 149    ULONG             WaitTime;            /* 64 */
 150    CHAR              BasePriority;        /* 68 */
 151    UCHAR             DecrementCount;      /* 69 */
 152    UCHAR             PriorityDecrement;   /* 6A */
 153    UCHAR             Quantum;             /* 6B */
 154    KWAIT_BLOCK       WaitBlock[4];        /* 6C */
 155    PVOID             LegoData;            /* CC */
 156    LONG              KernelApcDisable;    /* D0 */
 157    KAFFINITY         UserAffinity;        /* D4 */
 158    UCHAR             SystemAffinityActive;/* D8 */
 159    UCHAR             Pad[7];              /* D9 */
 160    PKQUEUE           Queue;               /* E0 */
 161    KSPIN_LOCK        ApcQueueLock;        /* E4 */
 162    KTIMER            Timer;               /* E8 */
 163    LIST_ENTRY        QueueListEntry;      /* 110 */
 164    KAFFINITY         Affinity;            /* 118 */
 165    UCHAR             Preempted;           /* 11C */
 166    UCHAR             ProcessReadyQueue;   /* 11D */
 167    UCHAR             KernelStackResident; /* 11E */
 168    UCHAR             NextProcessor;       /* 11F */
 169    PVOID             CallbackStack;       /* 120 */
 170    BOOL              Win32Thread;         /* 124 */
 171    struct _KTRAP_FRAME*      TrapFrame;   /* 128 */
 172    PVOID             ApcStatePointer[2];  /* 12C */
 173    UCHAR             EnableStackSwap;     /* 134 */
 174    UCHAR             LargeStack;          /* 135 */
 175    UCHAR             ResourceIndex;       /* 136 */
 176    UCHAR             PreviousMode;        /* 137 */
 177    ULONG             KernelTime;          /* 138 */
 178    ULONG             UserTime;            /* 13C */
 179    KAPC_STATE        SavedApcState;       /* 140 */
 180    UCHAR             Alertable;           /* 158 */
 181    UCHAR             ApcStateIndex;       /* 159 */
 182    UCHAR             ApcQueueable;        /* 15A */
 183    UCHAR             AutoAlignment;       /* 15B */
 184    PVOID             StackBase;           /* 15C */
 185    KAPC              SuspendApc;          /* 160 */
 186    KSEMAPHORE        SuspendSemaphore;    /* 190 */
 187    LIST_ENTRY        ThreadListEntry;     /* 1A4 */
 188    CHAR              FreezeCount;         /* 1AC */
 189    UCHAR             SuspendCount;        /* 1AD */
 190    UCHAR             IdealProcessor;      /* 1AE */
 191    UCHAR             DisableBoost;        /* 1AF */
 192
 193    /*
 194     * Below here are thread structure members that are specific to ReactOS
 195     */
 196
 197    /* Added by Phillip Susi for list of threads in a process */
 198    LIST_ENTRY        ProcessThreadListEntry;         /* 1B0 */
 199
 200    /* Added by Phillip Susi for internal KeAddThreadTimeout() implementation */
 201    KDPC              TimerDpc;                       /* 1B8 */
 202
 203    /* Record the last EIP value when the thread is suspended */
 204    ULONG             LastEip;                        /* 1D8 */
 205 } __attribute__((packed)) KTHREAD, *PKTHREAD;
 206
 207 // According to documentation the stack should have a commited [ 1 page ] and
 208 // a reserved part [ 1 M ] but can be specified otherwise in the image file.
 209
 210
 211
 212
 213
 214
 215
 216 // TopLevelIrp can be one of the following values:
 217 // FIXME I belong somewhere else
 218
 219 #define         FSRTL_FSP_TOP_LEVEL_IRP                 (0x01)
 220 #define         FSRTL_CACHE_TOP_LEVEL_IRP               (0x02)
 221 #define         FSRTL_MOD_WRITE_TOP_LEVEL_IRP           (0x03)
 222 #define         FSRTL_FAST_IO_TOP_LEVEL_IRP             (0x04)
 223 #define         FSRTL_MAX_TOP_LEVEL_IRP_FLAG            (0x04)
 224
 225 typedef struct _TOP_LEVEL_IRP
 226 {
 227         PIRP TopLevelIrp;
 228         ULONG TopLevelIrpConst;
 229 } TOP_LEVEL_IRP;
 230
 231 typedef struct
 232 {
 233    PACCESS_TOKEN Token;                              // 0x0
 234    UCHAR Unknown1;                                   // 0x4
 235    UCHAR Unknown2;                                   // 0x5
 236    UCHAR Pad[2];                                     // 0x6
 237    SECURITY_IMPERSONATION_LEVEL Level;               // 0x8
 238 } PS_IMPERSONATION_INFO, *PPS_IMPERSONATION_INFO;
 239
 240
 241 typedef struct _ETHREAD
 242 {
 243   KTHREAD Tcb;                                      /* 000 */
 244   TIME CreateTime;                                  /* 1B0/1DC */
 245   union
 246   {
 247     TIME ExitTime;                                  /* 1B8/1E4 */
 248     LIST_ENTRY LpcReplyChain;                       /* 1B8/1E4 */
 249   } u1;
 250   NTSTATUS ExitStatus;                              /* 1C0/1EC */
 251   LIST_ENTRY PostBlockList;                         /* 1C4/1F0 */
 252   LIST_ENTRY TerminationPortList;                   /* 1CC/1F8 */
 253   KSPIN_LOCK ActiveTimerListLock;                   /* 1D4/200 */
 254   LIST_ENTRY ActiveTimerListHead;                   /* 1D8/204 */
 255   CLIENT_ID Cid;                                    /* 1E0/20C */
 256   KSEMAPHORE LpcReplySemaphore;                     /* 1E8/214 */
 257   PVOID LpcReplyMessage;                            /* 1FC/228 */
 258   PLARGE_INTEGER LpcReplyMessageId;                 /* 200/22C */
 259   ULONG PerformanceCounterLow;                      /* 204/230 */
 260   PPS_IMPERSONATION_INFO ImpersonationInfo;         /* 208/234 */
 261   LIST_ENTRY IrpList;                               /* 20C/238 */
 262   TOP_LEVEL_IRP* TopLevelIrp;                       /* 214/240 */
 263   PDEVICE_OBJECT DeviceToVerify;                    /* 218/244 */
 264   ULONG ReadClusterSize;                            /* 21C/248 */
 265   UCHAR ForwardClusterOnly;                         /* 220/24C */
 266   UCHAR DisablePageFaultClustering;                 /* 221/24D */
 267   UCHAR DeadThread;                                 /* 222/24E */
 268   UCHAR HasTerminated;                              /* 223/24F */
 269   PVOID EventPair;                                  /* 224/250 */
 270   ACCESS_MASK GrantedAccess;                        /* 228/254 */
 271   struct _EPROCESS* ThreadsProcess;                 /* 22C/258 */
 272   PKSTART_ROUTINE StartAddress;                     /* 230/25C */
 273   union
 274   {
 275     LPTHREAD_START_ROUTINE Win32StartAddress;       /* 234/260 */
 276     ULONG LpcReceiveMessageId;                      /* 234/260 */
 277   } u2;
 278   UCHAR LpcExitThreadCalled;                        /* 238/264 */
 279   UCHAR HardErrorsAreDisabled;                      /* 239/265 */
 280   UCHAR LpcReceivedMsgIdValid;                      /* 23A/266 */
 281   UCHAR ActiveImpersonationInfo;                    /* 23B/267 */
 282   ULONG PerformanceCountHigh;                       /* 23C/268 */
 283
 284   /*
 285    * Added by David Welch (welch@cwcom.net)
 286    */
 287   struct _EPROCESS* OldProcess;                     /* 240/26C */
 288
 289   struct _W32THREAD* Win32Thread;
 290
 291 } __attribute__((packed)) ETHREAD, *PETHREAD;
 292
 293
 294 typedef struct _KPROCESS
 295 {
 296   /* So it's possible to wait for the process to terminate */
 297   DISPATCHER_HEADER     DispatcherHeader;             /* 000 */
 298   /*
 299    * Presumably a list of profile objects associated with this process,
 300    * currently unused.
 301    */
 302   LIST_ENTRY            ProfileListHead;              /* 010 */
 303   /*
 304    * We use the first member of this array to hold the physical address of
 305    * the page directory for this process.
 306    */
 307   PHYSICAL_ADDRESS      DirectoryTableBase;           /* 018 */
 308   /*
 309    * Presumably a descriptor for the process's LDT, currently unused.
 310    */
 311   ULONG                 LdtDescriptor[2];             /* 020 */
 312   /*
 313    * Presumably for processing int 0x21 from V86 mode DOS, currently
 314    * unused.
 315    */
 316   ULONG                 Int21Descriptor[2];           /* 028 */
 317   /* Don't know. */
 318   USHORT                IopmOffset;                   /* 030 */
 319   /*
 320    * Presumably I/O privilege level to be used for this process, currently
 321    * unused.
 322    */
 323   UCHAR                 Iopl;                         /* 032 */
 324   /* Set if this process is a virtual dos machine? */
 325   UCHAR                 VdmFlag;                      /* 033 */
 326   /* Bitmask of the processors being used by this process's threads? */
 327   ULONG                 ActiveProcessors;             /* 034 */
 328   /* Aggregate of the time this process's threads have spent in kernel mode? */
 329   ULONG                 KernelTime;                   /* 038 */
 330   /* Aggregate of the time this process's threads have spent in user mode? */
 331   ULONG                 UserTime;                     /* 03C */
 332   /* List of this process's threads that are ready for execution? */
 333   LIST_ENTRY            ReadyListHead;                /* 040 */
 334   /* List of this process's threads that have their stacks swapped out? */
 335   LIST_ENTRY            SwapListEntry;                /* 048 */
 336   /* List of this process's threads? */
 337   LIST_ENTRY            ThreadListHead;               /* 050 */
 338   /* Maybe a lock for this data structure, the type is assumed. */
 339   KSPIN_LOCK            ProcessLock;                  /* 058 */
 340   /* Default affinity mask for this process's threads? */
 341   ULONG                 Affinity;                     /* 05C */
 342   /* Count of the stacks allocated for this process's threads? */
 343   USHORT                StackCount;                   /* 060 */
 344   /* Base priority for this process's threads? */
 345   KPRIORITY             BasePriority;                 /* 062 */
 346   /* Default quantum for this process's threads */
 347   UCHAR                 ThreadQuantum;                /* 063 */
 348   /* Unknown. */
 349   UCHAR                 AutoAlignment;                /* 064 */
 350   /* Process execution state, currently either active or terminated. */
 351   UCHAR                 State;                        /* 065 */
 352   /* Seed for generating thread ids for this process's threads? */
 353   UCHAR                 ThreadSeed;                   /* 066 */
 354   /* Disable priority boosts? */
 355   UCHAR                 DisableBoost;                 /* 067 */
 356 } KPROCESS, *PKPROCESS;
 357
 358 struct _EPROCESS
 359 {
 360   /* Microkernel specific process state. */
 361   KPROCESS              Pcb;                          /* 000 */
 362   /* Exit status of the process. */
 363   NTSTATUS              ExitStatus;                   /* 068 */
 364   /* Unknown. */
 365   KEVENT                LockEvent;                    /* 06C */
 366   /* Unknown. */
 367   ULONG                 LockCount;                    /* 07C */
 368   /* Time of process creation. */
 369   TIME                  CreateTime;                   /* 080 */
 370   /* Time of process exit. */
 371   TIME                  ExitTime;                     /* 088 */
 372   /* Unknown. */
 373   PVOID                 LockOwner;                    /* 090 */
 374   /* Process id. */
 375   ULONG                 UniqueProcessId;              /* 094 */
 376   /* Unknown. */
 377   LIST_ENTRY            ActiveProcessLinks;           /* 098 */
 378   /* Unknown. */
 379   ULONG                 QuotaPeakPoolUsage[2];        /* 0A0 */
 380   /* Unknown. */
 381   ULONG                 QuotaPoolUsage[2];            /* 0A8 */
 382   /* Unknown. */
 383   ULONG                 PagefileUsage;                /* 0B0 */
 384   /* Unknown. */
 385   ULONG                 CommitCharge;                 /* 0B4 */
 386   /* Unknown. */
 387   ULONG                 PeakPagefileUsage;            /* 0B8 */
 388   /* Unknown. */
 389   ULONG                 PeakVirtualSize;              /* 0BC */
 390   /* Unknown. */
 391   LARGE_INTEGER         VirtualSize;                  /* 0C0 */
 392   struct
 393   {
 394     ULONG               LastTrimTime;
 395     ULONG               LastTrimFaultCount;
 396     ULONG               PageFaultCount;
 397     ULONG               PeakWorkingSetSize;
 398     ULONG               WorkingSetSize;
 399     ULONG               MinimumWorkingSetSize;
 400     ULONG               MaximumWorkingSetSize;
 401     ULONG               VmWorkingSetList;
 402     LIST_ENTRY          WorkingSetExpansionList;
 403     UCHAR               AllowWorkingSetAdjustment;
 404     UCHAR               AddressSpaceBeingDeleted;
 405     UCHAR               ForegroundPrioritySwitch;
 406     UCHAR               MemoryPriority;
 407   } Vm;
 408   PVOID                 LastProtoPteFault;
 409   struct _EPORT*        DebugPort;
 410   struct _EPORT*        ExceptionPort;
 411   PVOID                 ObjectTable;
 412   PVOID                 Token;
 413   //  FAST_MUTEX            WorkingSetLock;
 414   KMUTEX                WorkingSetLock;
 415   PVOID                 WorkingSetPage;
 416   UCHAR                 ProcessOutswapEnabled;
 417   UCHAR                 ProcessOutswapped;
 418   UCHAR                 AddressSpaceInitialized;
 419   UCHAR                 AddressSpaceDeleted;
 420   FAST_MUTEX            AddressCreationLock;
 421   KSPIN_LOCK            HyperSpaceLock;
 422   PETHREAD              ForkInProgress;
 423   USHORT                VmOperation;
 424   UCHAR                 ForkWasSuccessful;
 425   UCHAR                 MmAgressiveWsTrimMask;
 426   PKEVENT               VmOperationEvent;
 427   PVOID                 PageDirectoryPte;
 428   ULONG                 LastFaultCount;
 429   PVOID                 VadRoot;
 430   PVOID                 VadHint;
 431   PVOID                 CloneRoot;
 432   ULONG                 NumberOfPrivatePages;
 433   ULONG                 NumberOfLockedPages;
 434   USHORT                NextProcessColour;
 435   UCHAR                 ExitProcessCalled;
 436   UCHAR                 CreateProcessReported;
 437   HANDLE                SectionHandle;
 438   PPEB                  Peb;
 439   PVOID                 SectionBaseAddress;
 440   PVOID                 QuotaBlock;
 441   NTSTATUS              LastThreadExitStatus;
 442   PVOID                 WorkingSetWatch;
 443   HANDLE                InheritedFromUniqueProcessId;
 444   ACCESS_MASK           GrantedAccess;
 445   ULONG                 DefaultHardErrorProcessing;
 446   PVOID                 LdtInformation;
 447   ULONG                 VadFreeHint;
 448   PVOID                 VdmObjects;
 449   KMUTANT               ProcessMutant;
 450   CHAR                  ImageFileName[16];
 451   ULONG                 VmTrimFaultValue;
 452   UCHAR                 SetTimerResolution;
 453   UCHAR                 PriorityClass;
 454   UCHAR                 SubSystemMinorVersion;
 455   UCHAR                 SubSystemMajorVersion;
 456   USHORT                SubSystemVersion;
 457   struct _W32PROCESS*   Win32Process;
 458   HANDLE                Win32WindowStation;
 459
 460    /*
 461     * Added by David Welch (welch@mcmail.com)
 462     */
 463   HANDLE                Win32Desktop;
 464   MADDRESS_SPACE        AddressSpace;
 465   HANDLE_TABLE          HandleTable;
 466   LIST_ENTRY            ProcessListEntry;
 467
 468    /*
 469     * Added by Philip Susi for list of threads in process
 470     */
 471   LIST_ENTRY           ThreadListHead;
 472 };
 473
 474 #define PROCESS_STATE_TERMINATED (1)
 475 #define PROCESS_STATE_ACTIVE     (2)
 476
 477 VOID PiInitDefaultLocale(VOID);
 478 VOID PiInitProcessManager(VOID);
 479 VOID PiShutdownProcessManager(VOID);
 480 VOID PsInitThreadManagment(VOID);
 481 VOID PsInitProcessManagment(VOID);
 482 VOID PsInitIdleThread(VOID);
 483 VOID PsDispatchThreadNoLock(ULONG NewThreadStatus);
 484 VOID PiTerminateProcessThreads(PEPROCESS Process, NTSTATUS ExitStatus);
 485 VOID PsTerminateOtherThread(PETHREAD Thread, NTSTATUS ExitStatus);
 486 VOID PsReleaseThread(PETHREAD Thread);
 487 VOID PsBeginThread(PKSTART_ROUTINE StartRoutine, PVOID StartContext);
 488 VOID PsBeginThreadWithContextInternal(VOID);
 489 VOID PiKillMostProcesses(VOID);
 490 NTSTATUS STDCALL PiTerminateProcess(PEPROCESS Process, NTSTATUS ExitStatus);
 491 ULONG PsUnfreezeThread(PETHREAD Thread, PNTSTATUS WaitStatus);
 492 ULONG PsFreezeThread(PETHREAD Thread, PNTSTATUS WaitStatus,
 493                      UCHAR Alertable, ULONG WaitMode);
 494 VOID PiInitApcManagement(VOID);
 495 VOID STDCALL PiDeleteThread(PVOID ObjectBody);
 496 VOID STDCALL PiCloseThread(PVOID ObjectBody, ULONG HandleCount);
 497 VOID PsReapThreads(VOID);
 498 NTSTATUS
 499 PsInitializeThread(HANDLE ProcessHandle,
 500                    PETHREAD* ThreadPtr,
 501                    PHANDLE ThreadHandle,
 502                    ACCESS_MASK DesiredAccess,
 503                    POBJECT_ATTRIBUTES ObjectAttributes,
 504                    BOOLEAN First);
 505
 506 PACCESS_TOKEN PsReferenceEffectiveToken(PETHREAD Thread,
 507                                         PTOKEN_TYPE TokenType,
 508                                         PUCHAR b,
 509                                         PSECURITY_IMPERSONATION_LEVEL Level);
 510
 511 NTSTATUS PsOpenTokenOfProcess(HANDLE ProcessHandle,
 512                               PACCESS_TOKEN* Token);
 513
 514 NTSTATUS PsSuspendThread(PETHREAD Thread, PULONG PreviousCount);
 515 NTSTATUS PsResumeThread(PETHREAD Thread, PULONG PreviousCount);
 516
 517
 518 #define THREAD_STATE_INVALID      (0)
 519 #define THREAD_STATE_RUNNABLE     (1)
 520 #define THREAD_STATE_RUNNING      (2)
 521 #define THREAD_STATE_SUSPENDED    (3)
 522 #define THREAD_STATE_FROZEN       (4)
 523 #define THREAD_STATE_TERMINATED_1 (5)
 524 #define THREAD_STATE_TERMINATED_2 (6)
 525 #define THREAD_STATE_BLOCKED      (7)
 526 #define THREAD_STATE_MAX          (8)
 527
 528
 529 /*
 530  * Internal thread priorities, added by Phillip Susi
 531  * TODO: rebalence these to make use of all priorities... the ones above 16 can not all be used right now
 532  */
 533
 534 #define PROCESS_PRIO_IDLE                       3
 535 #define PROCESS_PRIO_NORMAL                     8
 536 #define PROCESS_PRIO_HIGH                       13
 537 #define PROCESS_PRIO_RT                         18
 538
 539
 540 VOID
 541 KeInitializeThread(PKPROCESS Process, PKTHREAD Thread, BOOLEAN First);
 542 NTSTATUS KeReleaseThread(PETHREAD Thread);
 543 NTSTATUS
 544 Ke386InitThread(PKTHREAD Thread, PKSTART_ROUTINE fn, PVOID StartContext);
 545 NTSTATUS
 546 Ke386InitThreadWithContext(PKTHREAD Thread, PCONTEXT Context);
 547 VOID STDCALL PiDeleteProcess(PVOID ObjectBody);
 548 VOID PsReapThreads(VOID);
 549 VOID PsUnfreezeOtherThread(PETHREAD Thread);
 550 VOID PsFreezeOtherThread(PETHREAD Thread);
 551 VOID PsFreezeProcessThreads(PEPROCESS Process);
 552 VOID PsUnfreezeProcessThreads(PEPROCESS Process);
 553 PEPROCESS PsGetNextProcess(PEPROCESS OldProcess);
 554 VOID
 555 Ki386ContextSwitch(PKTHREAD NewThread, PKTHREAD OldThread);
 556 VOID
 557 PsBlockThread(PNTSTATUS Status, UCHAR Alertable, ULONG WaitMode,
 558               BOOLEAN DispatcherLock, KIRQL WaitIrql);
 559 VOID
 560 PsUnblockThread(PETHREAD Thread, PNTSTATUS WaitStatus);
 561 VOID
 562 PsApplicationProcessorInit(VOID);
 563 VOID
 564 PsPrepareForApplicationProcessorInit(ULONG Id);
 565 NTSTATUS STDCALL
 566 PsIdleThreadMain(PVOID Context);
 567
 568 VOID STDCALL
 569 PiSuspendThreadRundownRoutine(PKAPC Apc);
 570 VOID STDCALL
 571 PiSuspendThreadKernelRoutine(PKAPC Apc,
 572                              PKNORMAL_ROUTINE* NormalRoutine,
 573                              PVOID* NormalContext,
 574                              PVOID* SystemArgument1,
 575                              PVOID* SystemArguemnt2);
 576 VOID STDCALL
 577 PiSuspendThreadNormalRoutine(PVOID NormalContext,
 578                              PVOID SystemArgument1,
 579                              PVOID SystemArgument2);
 580
 581 VOID STDCALL
 582 PiTimeoutThread(struct _KDPC *dpc,
 583                 PVOID Context,
 584                 PVOID arg1,
 585                 PVOID arg2);
 586
 587 VOID STDCALL
 588 PsDispatchThread(ULONG NewThreadStatus);
 589
 590 #endif /* ASSEMBLER */
 591
 592 #endif /* __INCLUDE_INTERNAL_PS_H */