4 * Copyright 1995 Alexandre Julliard
14 /* Process database (i.e. a normal DOS PSP) */
18 WORD int20; /* 00 int 20h instruction */
19 WORD nextParagraph; /* 02 Segment of next paragraph */
21 BYTE dispatcher[5]; /* 05 Long call to DOS */
22 FARPROC16 savedint22 WINE_PACKED; /* 0a Saved int 22h handler */
23 FARPROC16 savedint23 WINE_PACKED; /* 0e Saved int 23h handler */
24 FARPROC16 savedint24 WINE_PACKED; /* 12 Saved int 24h handler */
25 WORD parentPSP; /* 16 Selector of parent PSP */
26 BYTE fileHandles[20]; /* 18 Open file handles */
27 HANDLE16 environment; /* 2c Selector of environment */
29 WORD nbFiles; /* 32 Number of file handles */
30 SEGPTR fileHandlesPtr; /* 34 Pointer to file handle table */
32 BYTE fcb1[16]; /* 5c First FCB */
33 BYTE fcb2[20]; /* 6c Second FCB */
34 BYTE cmdLine[128]; /* 80 Command-line (first byte is len)*/
38 /* Segment containing MakeProcInstance() thunks */
41 WORD next; /* Selector of next segment */
42 WORD magic; /* Thunks signature */
44 WORD free; /* Head of the free list */
45 WORD thunks[4]; /* Each thunk is 4 words long */
48 #define THUNK_MAGIC ('P' | ('T' << 8))
51 /* Task database. See 'Windows Internals' p. 226 */
54 HTASK hNext; /* Selector of next TDB */
55 WORD sp; /* Stack pointer of task */
56 WORD ss; /* Stack segment of task */
57 WORD nEvents; /* Events for this task */
58 char priority; /* Task priority, between -32 and 15 */
60 HGLOBAL hStack32; /* Handle to 32-bit stack */
61 HTASK hSelf; /* Selector of this TDB */
62 HANDLE hPrevInstance; /* Previous instance of the module */
63 DWORD esp; /* 32-bit stack pointer */
64 WORD ctrlword8087; /* 80x87 control word */
65 WORD flags; /* Task flags */
66 UINT error_mode; /* Error mode (see SetErrorMode) */
67 WORD version; /* Expected Windows version */
68 HANDLE hInstance; /* Instance handle for this task */
69 HMODULE hModule; /* Module handle */
70 HQUEUE hQueue; /* Selector of task message queue */
71 HTASK hParent; /* Selector of TDB of parent task */
72 WORD signal_flags; /* Flags related to signal handler */
73 DWORD sighandler WINE_PACKED; /* Signal handler */
74 DWORD userhandler WINE_PACKED; /* USER signal handler */
75 DWORD discardhandler WINE_PACKED; /* Handler for GlobalDiscard() */
76 DWORD int0 WINE_PACKED; /* int 0 (divide by zero) handler */
77 DWORD int2 WINE_PACKED; /* int 2 (NMI) handler */
78 DWORD int4 WINE_PACKED; /* int 4 (INTO) handler */
79 DWORD int6 WINE_PACKED; /* int 6 (invalid opcode) handler */
80 DWORD int7 WINE_PACKED; /* int 7 (coprocessor) handler */
81 DWORD int3e WINE_PACKED; /* int 3e (80x87 emulator) handler */
82 DWORD int75 WINE_PACKED; /* int 75 (80x87 error) handler */
83 DWORD compat_flags WINE_PACKED; /* Compatibility flags */
85 HANDLE hPDB; /* Selector of PDB (i.e. PSP) */
86 SEGPTR dta WINE_PACKED; /* Current DTA */
87 BYTE curdrive; /* Current drive */
88 BYTE curdir[65]; /* Current directory */
89 WORD nCmdShow; /* cmdShow parameter to WinMain */
90 HTASK hYieldTo; /* Next task to schedule */
91 DWORD dlls_to_init; /* Ptr to list of DLL to initialize */
92 HANDLE hCSAlias; /* Code segment alias for this TDB */
93 THUNKS thunks WINE_PACKED; /* Make proc instance thunks */
94 WORD more_thunks[6*4]; /* Space for 6 more thunks */
95 BYTE module_name[8]; /* Module name for task */
96 WORD magic; /* TDB signature */
98 PDB pdb; /* PDB for this task */
101 #define TDB_MAGIC ('T' | ('D' << 8))
104 #define TDBF_WINOLDAP 0x0001
105 #define TDBF_OS2APP 0x0008
106 #define TDBF_WIN32S 0x0010
110 extern BOOL TASK_Init(void);
111 extern HTASK TASK_CreateTask( HMODULE hModule, HANDLE hInstance,
112 HANDLE hPrevInstance, HANDLE hEnvironment,
113 char *cmdLine, WORD cmdShow );
114 extern void TASK_KillCurrentTask( int exitCode );
116 #endif /* _WINE_TASK_H */