171 lines
7.5 KiB
C
171 lines
7.5 KiB
C
/*
|
|
* Task definitions
|
|
*
|
|
* Copyright 1995 Alexandre Julliard
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef __WINE_TASK_H
|
|
#define __WINE_TASK_H
|
|
|
|
#include "windef.h"
|
|
#include "wine/windef16.h"
|
|
|
|
#include "pshpack1.h"
|
|
|
|
/* Process database (i.e. a normal DOS PSP) */
|
|
|
|
typedef struct
|
|
{
|
|
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 */
|
|
typedef struct
|
|
{
|
|
WORD next; /* Selector of next segment */
|
|
WORD magic; /* Thunks signature */
|
|
WORD unused;
|
|
WORD free; /* Head of the free list */
|
|
WORD thunks[4]; /* Each thunk is 4 words long */
|
|
} THUNKS;
|
|
|
|
#define THUNK_MAGIC ('P' | ('T' << 8))
|
|
|
|
struct _TEB;
|
|
struct _WSINFO;
|
|
struct _NE_MODULE;
|
|
|
|
/* 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
|
|
{
|
|
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_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 void TASK_CreateMainTask(void);
|
|
extern HTASK16 TASK_SpawnTask( struct _NE_MODULE *pModule, WORD cmdShow,
|
|
LPCSTR cmdline, BYTE len, HANDLE *hThread );
|
|
extern void TASK_ExitTask(void);
|
|
extern HTASK16 TASK_GetTaskFromThread( DWORD thread );
|
|
extern TDB *TASK_GetCurrent(void);
|
|
extern void TASK_InstallTHHook( THHOOK *pNewThook );
|
|
|
|
#endif /* __WINE_TASK_H */
|