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