source: trunk/include/win/thread.h@ 2203

Last change on this file since 2203 was 2203, checked in by cbratschi, 26 years ago

* empty log message *
File size: 6.7 KB
Line 
1/* $Id: thread.h,v 1.11 1999-12-26 17:28:35 cbratschi Exp $ */
2
3/*
4 * Thread definitions
5 *
6 * Copyright 1996 Alexandre Julliard
7 */
8
9#ifndef __WINE_THREAD_H
10#define __WINE_THREAD_H
11
12#ifdef __WIN32OS2__
13#define TLS_MINIMUM_AVAILABLE 64
14 #ifndef __OS2_H__
15 #include "config.h"
16 #include "winbase.h"
17 #endif
18#else
19#include "config.h"
20#include "winbase.h"
21#include "selectors.h" /* for SET_FS */
22#endif
23
24struct _PDB;
25
26/* Thread exception block */
27typedef struct _TEB
28{
29 void *except; /* 00 Head of exception handling chain */
30 void *stack_top; /* 04 Top of thread stack */
31 void *stack_low; /* 08 Stack low-water mark */
32 HTASK16 htask16; /* 0c Win16 task handle */
33 WORD stack_sel; /* 0e 16-bit stack selector */
34 DWORD selman_list; /* 10 Selector manager list */
35 DWORD user_ptr; /* 14 User pointer */
36 struct _TEB *self; /* 18 Pointer to this structure */
37 WORD flags; /* 1c Flags */
38 WORD mutex_count; /* 1e Win16 mutex count */
39 DWORD debug_context; /* 20 Debug context */
40 DWORD *ppriority; /* 24 Pointer to current priority */
41 HQUEUE16 queue; /* 28 Message queue */
42 WORD pad1; /* 2a */
43 LPVOID *tls_ptr; /* 2c Pointer to TLS array */
44 struct _PDB *process; /* 30 owning process (used by NT3.51 applets)*/
45} TEB;
46
47/* Thread exception flags */
48#define TEBF_WIN32 0x0001
49#define TEBF_TRAP 0x0002
50
51/* Thread database */
52typedef struct _THDB
53{
54 LONG header[2]; /* 00 Kernel object header */
55 struct _PDB *process; /* 08 Process owning this thread */
56 HANDLE event; /* 0c Thread event */
57 TEB teb; /* 10 Thread exception block */
58 DWORD flags; /* 44 Flags */
59 DWORD exit_code; /* 48 Termination status */
60 WORD teb_sel; /* 4c Selector to TEB */
61 WORD emu_sel; /* 4e 80387 emulator selector */
62 int thread_errno; /* 50 Per-thread errno (was: unknown) */
63 void *wait_list; /* 54 Event waiting list */
64 int thread_h_errno; /* 50 Per-thread h_errno (was: unknown) */
65 void *ring0_thread; /* 5c Pointer to ring 0 thread */
66 void *ptdbx; /* 60 Pointer to TDBX structure */
67 void *stack_base; /* 64 Base of the stack */
68 void *exit_stack; /* 68 Stack pointer on thread exit */
69 void *emu_data; /* 6c Related to 80387 emulation */
70 DWORD last_error; /* 70 Last error code */
71 void *debugger_CB; /* 74 Debugger context block */
72 DWORD debug_thread; /* 78 Thread debugging this one (?) */
73 void *pcontext; /* 7c Thread register context */
74 DWORD cur_stack; /* 80 Current stack (was: unknown) */
75 DWORD unknown3[2]; /* 84 Unknown */
76 WORD current_ss; /* 8c Another 16-bit stack selector */
77 WORD pad2; /* 8e */
78 void *ss_table; /* 90 Pointer to info about 16-bit stack */
79 WORD thunk_ss; /* 94 Yet another 16-bit stack selector */
80 WORD pad3; /* 96 */
81#ifdef __WIN32OS2__
82 LPVOID tls_array[TLS_MINIMUM_AVAILABLE]; /* 98 Thread local storage */
83#else
84 LPVOID tls_array[64]; /* 98 Thread local storage */
85#endif
86 DWORD delta_priority; /* 198 Priority delta */
87 DWORD unknown4[7]; /* 19c Unknown */
88 void *create_data; /* 1b8 Pointer to creation structure */
89 DWORD suspend_count; /* 1bc SuspendThread() counter */
90 void *entry_point; /* 1c0 Thread entry point (was: unknown) */
91 void *entry_arg; /* 1c4 Entry point arg (was: unknown) */
92 DWORD unknown5[4]; /* 1c8 Unknown */
93 DWORD sys_count[4]; /* 1d8 Syslevel mutex entry counters */
94 CRITICAL_SECTION *sys_mutex[4];/* 1e8 Syslevel mutex pointers */
95 DWORD unknown6[2]; /* 1f8 Unknown */
96 /* The following are Wine-specific fields */
97 int socket; /* Socket for server communication */
98 unsigned int seq; /* Server sequence number */
99 void *server_tid; /* Server id for this thread */
100 void (*startup)(void); /* Thread startup routine */
101 struct _THDB *next; /* Global thread list */
102#ifdef __WIN32OS2__
103 DWORD OrgTIBSel; // Original OS/2 TIB selector (always the same, but let's not assume too much for future compatibility)
104 ULONG hmq; // Thread message queue
105 ULONG hab; // Thread Anchor block
106 ULONG hooks[WH_NB_HOOKS]; //list of hooks for this thread queue
107 ULONG threadId; // Thread ID
108 ULONG newWindow; // Pointer to window object of window that was just created
109 void* pWsockData; // Winsock data pointer (NULL if unused)
110 DWORD lParam; // MessageExtraInfo
111 WINDOWPOS wp; // Used by message translation for WM_WINDOWPOSCHANGED
112 ULONG nrOfMsgs; // Usually 1; some PM messages can generated more than 1 win32 msg
113 BOOL fTranslated; // WM_CHAR already translated or not
114 ULONG msgstate; // odd -> dispatchmessage called, even -> not called
115 MSG msg; // Used by message translation to store translated PM message (sent to win32 window proc in pmwindow.cpp)
116 MSG msgWCHAR; // Used to store extra WM_CHAR message generated by TranslateMessage
117#endif
118} THDB;
119
120/* The pseudo handle value returned by GetCurrentThread */
121#define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe
122
123#ifdef __i386__
124/* On the i386, the current thread is in the %fs register */
125# define SET_CUR_THREAD(thdb) SET_FS((thdb)->teb_sel)
126#else
127extern THDB *pCurrentThread;
128# define SET_CUR_THREAD(thdb) (pCurrentThread = (thdb))
129#endif /* __i386__ */
130
131
132/* scheduler/thread.c */
133extern THDB *THREAD_CreateInitialThread( struct _PDB *pdb, int server_fd );
134extern THDB *THREAD_Create( struct _PDB *pdb, DWORD flags,
135 DWORD stack_size, BOOL alloc_stack16,
136 LPSECURITY_ATTRIBUTES sa, int *server_handle );
137extern THDB *THREAD_Current(void);
138extern BOOL THREAD_IsWin16( THDB *thdb );
139extern THDB *THREAD_IdToTHDB( DWORD id );
140
141/* scheduler/sysdeps.c */
142extern int SYSDEPS_SpawnThread( THDB *thread );
143extern void SYSDEPS_ExitThread(void);
144extern TEB * WINAPI NtCurrentTeb(void);
145
146#endif /* __WINE_THREAD_H */
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