source: trunk/include/win/task.h

Last change on this file was 21916, checked in by dmik, 14 years ago

Merge branch gcc-kmk to trunk.
File size: 7.1 KB
RevLine 
[2651]1/* $Id: task.h,v 1.3 2000-02-05 02:42:19 sandervl Exp $ */
[4]2/*
3 * Task definitions
4 *
5 * Copyright 1995 Alexandre Julliard
6 */
7
8#ifndef __WINE_TASK_H
9#define __WINE_TASK_H
10
11#include "windef.h"
12
13#include "pshpack1.h"
14
15 /* Process database (i.e. a normal DOS PSP) */
16
17typedef struct
18{
19 WORD int20; /* 00 int 20h instruction */
20 WORD nextParagraph; /* 02 Segment of next paragraph */
21 BYTE reserved1;
22 BYTE dispatcher[5]; /* 05 Long call to DOS */
23 FARPROC16 savedint22 WINE_PACKED; /* 0a Saved int 22h handler */
24 FARPROC16 savedint23 WINE_PACKED; /* 0e Saved int 23h handler */
25 FARPROC16 savedint24 WINE_PACKED; /* 12 Saved int 24h handler */
26 WORD parentPSP; /* 16 Selector of parent PSP */
27 BYTE fileHandles[20]; /* 18 Open file handles */
28 HANDLE16 environment; /* 2c Selector of environment */
29 WORD reserved2[2];
30 WORD nbFiles; /* 32 Number of file handles */
31 SEGPTR fileHandlesPtr; /* 34 Pointer to file handle table */
32 HANDLE16 hFileHandles; /* 38 Handle to fileHandlesPtr */
33 WORD reserved3[17];
34 BYTE fcb1[16]; /* 5c First FCB */
35 BYTE fcb2[20]; /* 6c Second FCB */
36 BYTE cmdLine[128]; /* 80 Command-line (first byte is len)*/
37 BYTE padding[16]; /* Some apps access beyond the end of the cmd line */
38} PDB16;
39
40
41 /* Segment containing MakeProcInstance() thunks */
42typedef struct
43{
44 WORD next; /* Selector of next segment */
45 WORD magic; /* Thunks signature */
46 WORD unused;
47 WORD free; /* Head of the free list */
48 WORD thunks[4]; /* Each thunk is 4 words long */
49} THUNKS;
50
51#define THUNK_MAGIC ('P' | ('T' << 8))
52
[1885]53struct _TEB;
[4]54struct _WSINFO;
55struct _NE_MODULE;
56
57 /* signal proc typedef */
[2651]58typedef void (* CALLBACK USERSIGNALPROC)(HANDLE16, UINT16, UINT16,
59 HINSTANCE16, HQUEUE16);
[4]60
61 /* Task database. See 'Windows Internals' p. 226.
[21916]62 * Note that 16-bit OLE 2 libs like to read it directly
63 * so we have to keep entry offsets as they are.
[4]64 */
65typedef struct _TDB
66{
67 HTASK16 hNext; /* 00 Selector of next TDB */
68 DWORD ss_sp WINE_PACKED; /* 02 Stack pointer of task */
69 WORD nEvents; /* 06 Events for this task */
70 INT16 priority; /* 08 Task priority, -32..15 */
71 WORD unused1; /* 0a */
72 HTASK16 hSelf; /* 0c Selector of this TDB */
73 HANDLE16 hPrevInstance; /* 0e Previous instance of module */
74 DWORD unused2; /* 10 */
75 WORD ctrlword8087; /* 14 80x87 control word */
76 WORD flags; /* 16 Task flags */
77 UINT16 error_mode; /* 18 Error mode (see SetErrorMode)*/
78 WORD version; /* 1a Expected Windows version */
79 HANDLE16 hInstance; /* 1c Instance handle for task */
80 HMODULE16 hModule; /* 1e Module handle */
81 HQUEUE16 hQueue; /* 20 Selector of task queue */
82 HTASK16 hParent; /* 22 Selector of TDB of parent */
83 WORD signal_flags; /* 24 Flags for signal handler */
84 FARPROC16 sighandler WINE_PACKED; /* 26 Signal handler */
[1885]85 FARPROC16 userhandler WINE_PACKED; /* 2a USER signal handler */
[4]86 FARPROC16 discardhandler WINE_PACKED; /* 2e Handler for GlobalNotify() */
87 DWORD int0 WINE_PACKED; /* 32 int 0 (divide by 0) handler */
88 DWORD int2 WINE_PACKED; /* 36 int 2 (NMI) handler */
89 DWORD int4 WINE_PACKED; /* 3a int 4 (INTO) handler */
90 DWORD int6 WINE_PACKED; /* 3e int 6 (invalid opc) handler */
91 DWORD int7 WINE_PACKED; /* 42 int 7 (coprocessor) handler */
92 DWORD int3e WINE_PACKED; /* 46 int 3e (80x87 emu) handler */
93 DWORD int75 WINE_PACKED; /* 4a int 75 (80x87 error) handler */
94 DWORD compat_flags WINE_PACKED; /* 4e Compatibility flags */
95 BYTE unused4[2]; /* 52 */
[1885]96 struct _TEB *teb; /* 54 Pointer to thread database */
97 BYTE unused5[8]; /* 58 */
[4]98 HANDLE16 hPDB; /* 60 Selector of PDB (i.e. PSP) */
99 SEGPTR dta WINE_PACKED; /* 62 Current DTA */
100 BYTE curdrive; /* 66 Current drive */
101 BYTE curdir[65]; /* 67 Current directory */
102 WORD nCmdShow; /* a8 cmdShow parameter to WinMain */
103 HTASK16 hYieldTo; /* aa Next task to schedule */
104 DWORD dlls_to_init; /* ac Ptr to DLLs to initialize */
105 HANDLE16 hCSAlias; /* b0 Code segment for this TDB */
[21916]106 THUNKS thunks; /* b2 Make proc instance thunks */
[4]107 WORD more_thunks[6*4]; /* c2 Space for 6 more thunks */
108 BYTE module_name[8]; /* f2 Module name for task */
109 WORD magic; /* fa TDB signature */
[1885]110 HANDLE hEvent; /* fc scheduler event handle */
111 PDB16 pdb; /* 100 PDB for this task */
[4]112} TDB;
113
114#define TDB_MAGIC ('T' | ('D' << 8))
115
116 /* TDB flags */
117#define TDBF_WINOLDAP 0x0001
118#define TDBF_OS2APP 0x0008
119#define TDBF_WIN32 0x0010
120
121 /* Windows 3.1 USER signals */
122#define USIG16_TERMINATION 0x0020
123#define USIG16_DLL_LOAD 0x0040
124#define USIG16_DLL_UNLOAD 0x0080
125#define USIG16_GPF 0x0666
126
127
128 /* THHOOK Kernel Data Structure */
129typedef struct _THHOOK
130{
131 HANDLE16 hGlobalHeap; /* 00 (handle BURGERMASTER) */
132 WORD pGlobalHeap; /* 02 (selector BURGERMASTER) */
133 HMODULE16 hExeHead; /* 04 hFirstModule */
134 HMODULE16 hExeSweep; /* 06 (unused) */
135 HANDLE16 TopPDB; /* 08 (handle of KERNEL PDB) */
136 HANDLE16 HeadPDB; /* 0A (first PDB in list) */
137 HANDLE16 TopSizePDB; /* 0C (unused) */
138 HTASK16 HeadTDB; /* 0E hFirstTask */
139 HTASK16 CurTDB; /* 10 hCurrentTask */
140 HTASK16 LoadTDB; /* 12 (unused) */
141 HTASK16 LockTDB; /* 14 hLockedTask */
142} THHOOK;
143
144#include "poppack.h"
145
146extern THHOOK *pThhook;
147extern void (*TASK_AddTaskEntryBreakpoint)( HTASK16 hTask );
148
[1885]149extern BOOL TASK_Create( struct _NE_MODULE *pModule, UINT16 cmdShow );
[4]150extern void TASK_KillTask( HTASK16 hTask );
151extern HTASK16 TASK_GetNextTask( HTASK16 hTask );
[1885]152extern void TASK_Reschedule(void);
153extern void TASK_CallToStart(void);
[4]154extern void TASK_InstallTHHook( THHOOK *pNewThook );
[1885]155extern void TASK_CallTaskSignalProc( UINT16 uCode, HANDLE16 hTaskOrModule );
[4]156
157extern HQUEUE16 WINAPI SetThreadQueue16( DWORD thread, HQUEUE16 hQueue );
158extern HQUEUE16 WINAPI GetThreadQueue16( DWORD thread );
159extern VOID WINAPI SetFastQueue16( DWORD thread, HANDLE hQueue );
160extern HANDLE WINAPI GetFastQueue16( void );
161
162
163#endif /* __WINE_TASK_H */
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