* Copyright 1995 Alexandre Julliard
*/
-#ifndef _WINE_TASK_H
-#define _WINE_TASK_H
+#ifndef __WINE_TASK_H
+#define __WINE_TASK_H
-#include "wintypes.h"
+#include "windef.h"
+#include "wine/windef16.h"
-#ifndef WINELIB
-#pragma pack(1)
-#endif
+#include "pshpack1.h"
/* Process database (i.e. a normal DOS PSP) */
typedef struct
{
- WORD int20; /* int 20h instruction */
- WORD nextParagraph; /* Segment of next paragraph */
- BYTE reserved1;
- BYTE dispatcher[5]; /* Long call to DOS */
- DWORD savedint22; /* Saved int 22h handler */
- DWORD savedint23; /* Saved int 23h handler */
- DWORD savedint24; /* Saved int 24h handler */
- WORD parentPSP; /* Selector of parent PSP */
- BYTE fileHandles[20]; /* Open file handles */
- HANDLE environment; /* Selector of environment */
- WORD reserved2[23];
- BYTE fcb1[16]; /* First FCB */
- BYTE fcb2[20]; /* Second FCB */
- BYTE cmdLine[128]; /* Command-line (first byte is length) */
-} PDB;
+ WORD int20; /* 00 int 20h instruction */
+ WORD nextParagraph; /* 02 Segment of next paragraph */
+ BYTE reserved1;
+ BYTE dispatcher[5]; /* 05 Long call to DOS */
+ FARPROC16 savedint22 WINE_PACKED; /* 0a Saved int 22h handler */
+ FARPROC16 savedint23 WINE_PACKED; /* 0e Saved int 23h handler */
+ FARPROC16 savedint24 WINE_PACKED; /* 12 Saved int 24h handler */
+ WORD parentPSP; /* 16 Selector of parent PSP */
+ BYTE fileHandles[20]; /* 18 Open file handles */
+ HANDLE16 environment; /* 2c Selector of environment */
+ DWORD saveStack; /* 2e SS:SP on last int21 call */
+ WORD nbFiles; /* 32 Number of file handles */
+ SEGPTR fileHandlesPtr; /* 34 Pointer to file handle table */
+ HANDLE16 hFileHandles; /* 38 Handle to fileHandlesPtr */
+ WORD reserved3[17];
+ BYTE fcb1[16]; /* 5c First FCB */
+ BYTE fcb2[20]; /* 6c Second FCB */
+ BYTE cmdLine[128]; /* 80 Command-line (first byte is len)*/
+ BYTE padding[16]; /* Some apps access beyond the end of the cmd line */
+} PDB16;
/* Segment containing MakeProcInstance() thunks */
#define THUNK_MAGIC ('P' | ('T' << 8))
+struct _TEB;
+struct _WSINFO;
+struct _NE_MODULE;
- /* Task database. See 'Windows Internals' p. 226 */
-typedef struct
+ /* signal proc typedef */
+typedef void CALLBACK (*USERSIGNALPROC)(HANDLE16, UINT16, UINT16,
+ HINSTANCE16, HQUEUE16);
+
+ /* Task database. See 'Windows Internals' p. 226.
+ * Note that 16-bit OLE 2 libs like to read it directly
+ * so we have to keep entry offsets as they are.
+ */
+typedef struct _TDB
{
- HTASK hNext; /* Selector of next TDB */
- WORD sp; /* Stack pointer of task */
- WORD ss; /* Stack segment of task */
- WORD nEvents; /* Events for this task */
- char priority; /* Task priority, between -32 and 15 */
- BYTE unused1;
- HGLOBAL hStack32; /* Handle to 32-bit stack */
- WORD hSelf; /* Selector of this TDB */
- WORD unused3;
- DWORD esp; /* 32-bit stack pointer */
- WORD ctrlword8087; /* 80x87 control word */
- WORD flags; /* Task flags */
- WORD error_flags; /* Error handling flags */
- WORD version; /* Expected Windows version */
- HANDLE hInstance; /* Instance handle for this task */
- HMODULE hModule; /* Module handle */
- HANDLE hQueue; /* Selector of task message queue */
- HTASK hParent; /* Selector of TDB of parent task */
- WORD signal_flags; /* Flags related to signal handler */
- DWORD sighandler WINE_PACKED; /* Signal handler */
- DWORD userhandler WINE_PACKED; /* USER signal handler */
- DWORD discardhandler WINE_PACKED; /* Handler for GlobalDiscard() */
- DWORD int0 WINE_PACKED; /* int 0 (divide by zero) handler */
- DWORD int2 WINE_PACKED; /* int 2 (NMI) handler */
- DWORD int4 WINE_PACKED; /* int 4 (INTO) handler */
- DWORD int6 WINE_PACKED; /* int 6 (invalid opcode) handler */
- DWORD int7 WINE_PACKED; /* int 7 (coprocessor) handler */
- DWORD int3e WINE_PACKED; /* int 3e (80x87 emulator) handler */
- DWORD int75 WINE_PACKED; /* int 75 (80x87 error) handler */
- DWORD compat_flags WINE_PACKED; /* Compatibility flags */
- BYTE unused4[14];
- HANDLE hPDB; /* Selector of PDB (i.e. PSP) */
- DWORD dta WINE_PACKED; /* Current DTA */
- BYTE curdrive; /* Current drive */
- BYTE curdir[65]; /* Current directory */
- WORD unused5;
- HTASK hYieldTo; /* Next task to schedule */
- DWORD dlls_to_init; /* Ptr to list of DLL to initialize */
- HANDLE hCSAlias; /* Code segment alias for this TDB */
- THUNKS thunks WINE_PACKED; /* Make proc instance thunks */
- WORD more_thunks[6*4]; /* Space for 6 more thunks */
- BYTE module_name[8]; /* Module name for task */
- WORD magic; /* TDB signature */
- DWORD unused7;
- PDB pdb; /* PDB for this task */
+ HTASK16 hNext; /* 00 Selector of next TDB */
+ DWORD ss_sp WINE_PACKED; /* 02 Stack pointer of task */
+ WORD nEvents; /* 06 Events for this task */
+ INT16 priority; /* 08 Task priority, -32..15 */
+ WORD unused1; /* 0a */
+ HTASK16 hSelf; /* 0c Selector of this TDB */
+ HANDLE16 hPrevInstance; /* 0e Previous instance of module */
+ DWORD unused2; /* 10 */
+ WORD ctrlword8087; /* 14 80x87 control word */
+ WORD flags; /* 16 Task flags */
+ UINT16 error_mode; /* 18 Error mode (see SetErrorMode)*/
+ WORD version; /* 1a Expected Windows version */
+ HANDLE16 hInstance; /* 1c Instance handle for task */
+ HMODULE16 hModule; /* 1e Module handle */
+ HQUEUE16 hQueue; /* 20 Selector of task queue */
+ HTASK16 hParent; /* 22 Selector of TDB of parent */
+ WORD signal_flags; /* 24 Flags for signal handler */
+ FARPROC16 sighandler WINE_PACKED; /* 26 Signal handler */
+ FARPROC16 userhandler WINE_PACKED; /* 2a USER signal handler */
+ FARPROC16 discardhandler WINE_PACKED; /* 2e Handler for GlobalNotify() */
+ DWORD int0 WINE_PACKED; /* 32 int 0 (divide by 0) handler */
+ DWORD int2 WINE_PACKED; /* 36 int 2 (NMI) handler */
+ DWORD int4 WINE_PACKED; /* 3a int 4 (INTO) handler */
+ DWORD int6 WINE_PACKED; /* 3e int 6 (invalid opc) handler */
+ DWORD int7 WINE_PACKED; /* 42 int 7 (coprocessor) handler */
+ DWORD int3e WINE_PACKED; /* 46 int 3e (80x87 emu) handler */
+ DWORD int75 WINE_PACKED; /* 4a int 75 (80x87 error) handler */
+ DWORD compat_flags WINE_PACKED; /* 4e Compatibility flags */
+ BYTE unused4[2]; /* 52 */
+ struct _TEB *teb; /* 54 Pointer to thread database */
+ BYTE unused5[8]; /* 58 */
+ HANDLE16 hPDB; /* 60 Selector of PDB (i.e. PSP) */
+ SEGPTR dta WINE_PACKED; /* 62 Current DTA */
+ BYTE curdrive; /* 66 Current drive */
+ BYTE curdir[65]; /* 67 Current directory */
+ WORD nCmdShow; /* a8 cmdShow parameter to WinMain */
+ HTASK16 hYieldTo; /* aa Next task to schedule */
+ DWORD dlls_to_init; /* ac Ptr to DLLs to initialize */
+ HANDLE16 hCSAlias; /* b0 Code segment for this TDB */
+ THUNKS thunks WINE_PACKED; /* b2 Make proc instance thunks */
+ WORD more_thunks[6*4]; /* c2 Space for 6 more thunks */
+ BYTE module_name[8]; /* f2 Module name for task */
+ WORD magic; /* fa TDB signature */
+ HANDLE hEvent; /* fc scheduler event handle */
+ PDB16 pdb; /* 100 PDB for this task */
} TDB;
#define TDB_MAGIC ('T' | ('D' << 8))
/* TDB flags */
#define TDBF_WINOLDAP 0x0001
#define TDBF_OS2APP 0x0008
-#define TDBF_WIN32S 0x0010
+#define TDBF_WIN32 0x0010
+
+ /* Windows 3.1 USER signals */
+#define USIG16_TERMINATION 0x0020
+#define USIG16_DLL_LOAD 0x0040
+#define USIG16_DLL_UNLOAD 0x0080
+#define USIG16_GPF 0x0666
+
+
+ /* THHOOK Kernel Data Structure */
+typedef struct _THHOOK
+{
+ HANDLE16 hGlobalHeap; /* 00 (handle BURGERMASTER) */
+ WORD pGlobalHeap; /* 02 (selector BURGERMASTER) */
+ HMODULE16 hExeHead; /* 04 hFirstModule */
+ HMODULE16 hExeSweep; /* 06 (unused) */
+ HANDLE16 TopPDB; /* 08 (handle of KERNEL PDB) */
+ HANDLE16 HeadPDB; /* 0A (first PDB in list) */
+ HANDLE16 TopSizePDB; /* 0C (unused) */
+ HTASK16 HeadTDB; /* 0E hFirstTask */
+ HTASK16 CurTDB; /* 10 hCurrentTask */
+ HTASK16 LoadTDB; /* 12 (unused) */
+ HTASK16 LockTDB; /* 14 hLockedTask */
+} THHOOK;
+
+#include "poppack.h"
+
+extern THHOOK *pThhook;
+
+extern BOOL TASK_Create( struct _NE_MODULE *pModule, UINT16 cmdShow,
+ struct _TEB *teb, LPCSTR cmdline, BYTE len );
+extern void TASK_ExitTask(void);
+extern HTASK16 TASK_GetNextTask( HTASK16 hTask );
+extern void TASK_Reschedule(void);
+extern void TASK_InstallTHHook( THHOOK *pNewThook );
+extern void TASK_CallTaskSignalProc( UINT16 uCode, HANDLE16 hTaskOrModule );
-#ifndef WINELIB
-#pragma pack(4)
-#endif
+extern HQUEUE16 WINAPI SetThreadQueue16( DWORD thread, HQUEUE16 hQueue );
+extern HQUEUE16 WINAPI GetThreadQueue16( DWORD thread );
+extern VOID WINAPI SetFastQueue16( DWORD thread, HANDLE hQueue );
+extern HANDLE WINAPI GetFastQueue16( void );
- /* TASK_Reschedule() 16-bit entry point */
-extern FARPROC RELAY_RescheduleProcAddr;
-#endif /* _WINE_TASK_H */
+#endif /* __WINE_TASK_H */