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