reactos/include/ndk/extypes.h

   1 /*
   2  * PROJECT:         ReactOS Native Headers
   3  * FILE:            include/ndk/extypes.h
   4  * PURPOSE:         Definitions for exported Executive Functions not defined in DDK/IFS
   5  * PROGRAMMER:      Alex Ionescu (alex@relsoft.net)
   6  * UPDATE HISTORY:
   7  *                  Created 06/10/04
   8  */
   9
  10 #ifndef _EXTYPES_H
  11 #define _EXTYPES_H
  12
  13 /* DEPENDENCIES **************************************************************/
  14 #include "ketypes.h"
  15
  16 /* EXPORTED DATA *************************************************************/
  17 extern POBJECT_TYPE NTOSAPI ExIoCompletionType;
  18 extern NTOSAPI POBJECT_TYPE ExMutantObjectType;
  19 extern NTOSAPI POBJECT_TYPE ExTimerType;
  20
  21 /* CONSTANTS *****************************************************************/
  22
  23 /* FIXME: Win32k uses windows.h! */
  24 #ifndef __WIN32K__
  25 #define INVALID_HANDLE_VALUE (HANDLE)-1
  26 #endif
  27
  28 /* Callback Object Access Rights */
  29 #define CALLBACK_ALL_ACCESS (STANDARD_RIGHTS_REQUIRED|SYNCHRONIZE|0x0001)
  30 #define CALLBACK_EXECUTE    (STANDARD_RIGHTS_EXECUTE|SYNCHRONIZE|0x0001)
  31 #define CALLBACK_WRITE      (STANDARD_RIGHTS_WRITE|SYNCHRONIZE|0x0001)
  32 #define CALLBACK_READ       (STANDARD_RIGHTS_READ|SYNCHRONIZE|0x0001)
  33
  34 /* ENUMERATIONS **************************************************************/
  35
  36 /* TYPES *********************************************************************/
  37
  38 /* You'll need the IFS for this, so use an equivalent version */
  39 #ifndef _NTIFS_
  40 typedef PVOID EX_RUNDOWN_REF;
  41 #endif
  42
  43 /* You'll need the IFS for these, so let's not force everyone to have it */
  44 #ifdef _NTIFS_
  45 typedef struct _EX_QUEUE_WORKER_INFO
  46 {
  47     UCHAR QueueDisabled:1;
  48     UCHAR MakeThreadsAsNecessary:1;
  49     UCHAR WaitMode:1;
  50     ULONG WorkerCount:29;
  51 } EX_QUEUE_WORKER_INFO, *PEX_QUEUE_WORKER_INFO;
  52
  53 typedef struct _EX_WORK_QUEUE
  54 {
  55     KQUEUE WorkerQueue;
  56     ULONG DynamicThreadCount;
  57     ULONG WorkItemsProcessed;
  58     ULONG WorkItemsProcessedLastPass;
  59     ULONG QueueDepthLastPass;
  60     EX_QUEUE_WORKER_INFO Info;
  61 } EX_WORK_QUEUE, *PEX_WORK_QUEUE;
  62 #endif
  63
  64 typedef struct _EX_FAST_REF
  65 {
  66     union
  67     {
  68         PVOID Object;
  69         ULONG RefCnt:3;
  70         ULONG Value;
  71     };
  72 } EX_FAST_REF, *PEX_FAST_REF;
  73
  74 typedef struct _EX_PUSH_LOCK
  75 {
  76     union
  77     {
  78         struct
  79         {
  80             ULONG Waiting:1;
  81             ULONG Exclusive:1;
  82             ULONG Shared:30;
  83         };
  84         ULONG Value;
  85         PVOID Ptr;
  86     };
  87 } EX_PUSH_LOCK, *PEX_PUSH_LOCK;
  88
  89 typedef struct _HANDLE_TABLE_ENTRY_INFO
  90 {
  91     ULONG AuditMask;
  92 } HANDLE_TABLE_ENTRY_INFO, *PHANDLE_TABLE_ENTRY_INFO;
  93
  94 typedef struct _RUNDOWN_DESCRIPTOR
  95 {
  96     ULONG_PTR References;
  97     KEVENT RundownEvent;
  98 } RUNDOWN_DESCRIPTOR, *PRUNDOWN_DESCRIPTOR;
  99
 100 typedef struct _CALLBACK_OBJECT
 101 {
 102     ULONG Name;
 103     KSPIN_LOCK Lock;
 104     LIST_ENTRY RegisteredCallbacks;
 105     ULONG AllowMultipleCallbacks;
 106 } CALLBACK_OBJECT , *PCALLBACK_OBJECT;
 107
 108 typedef struct _HANDLE_TABLE_ENTRY
 109 {
 110     union
 111     {
 112         PVOID Object;
 113         ULONG_PTR ObAttributes;
 114         PHANDLE_TABLE_ENTRY_INFO InfoTable;
 115         ULONG_PTR Value;
 116     } u1;
 117     union
 118     {
 119         ULONG GrantedAccess;
 120         USHORT GrantedAccessIndex;
 121         LONG NextFreeTableEntry;
 122     } u2;
 123 } HANDLE_TABLE_ENTRY, *PHANDLE_TABLE_ENTRY;
 124
 125 typedef struct _HANDLE_TABLE
 126 {
 127     ULONG Flags;
 128     LONG HandleCount;
 129     PHANDLE_TABLE_ENTRY **Table;
 130     PEPROCESS QuotaProcess;
 131     HANDLE UniqueProcessId;
 132     LONG FirstFreeTableEntry;
 133     LONG NextIndexNeedingPool;
 134     ERESOURCE HandleTableLock;
 135     LIST_ENTRY HandleTableList;
 136     KEVENT HandleContentionEvent;
 137 } HANDLE_TABLE, *PHANDLE_TABLE;
 138
 139 #endif
 140