source: trunk/include/win/thread.h@ 3808

Last change on this file since 3808 was 3808, checked in by sandervl, 25 years ago

header update
File size: 7.6 KB
Line 
1/* $Id: thread.h,v 1.17 2000-07-08 07:23:09 sandervl 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 #include <ntdllsec.h> //PROCESSTHREAD_SECURITYINFO struct
19#else
20#include "config.h"
21#include "winbase.h"
22#include "selectors.h" /* for SET_FS */
23#endif
24
25struct _PDB;
26
27/* Thread exception block */
28typedef struct _TEB
29{
30 void *except; /* 00 Head of exception handling chain */
31 void *stack_top; /* 04 Top of thread stack */
32 void *stack_low; /* 08 Stack low-water mark */
33 HTASK16 htask16; /* 0c Win16 task handle */
34 WORD stack_sel; /* 0e 16-bit stack selector */
35 DWORD selman_list; /* 10 Selector manager list */
36 DWORD user_ptr; /* 14 User pointer */
37 struct _TEB *self; /* 18 Pointer to this structure */
38 WORD flags; /* 1c Flags */
39 WORD mutex_count; /* 1e Win16 mutex count */
40 DWORD debug_context; /* 20 Debug context */
41 DWORD *ppriority; /* 24 Pointer to current priority */
42 HQUEUE16 queue; /* 28 Message queue */
43 WORD pad1; /* 2a */
44 LPVOID *tls_ptr; /* 2c Pointer to TLS array */
45 struct _PDB *process; /* 30 owning process (used by NT3.51 applets)*/
46} TEB;
47
48/* Thread exception flags */
49#define TEBF_WIN32 0x0001
50#define TEBF_TRAP 0x0002
51
52#ifndef OS2DEF_INCLUDED
53 /* QMSG structure */
54 typedef struct _QMSG /* qmsg */
55 {
56 HWND hwnd;
57 ULONG msg;
58 ULONG mp1;
59 ULONG mp2;
60 ULONG time;
61 POINTL ptl;
62 ULONG reserved;
63 } QMSG;
64#endif
65
66/* Thread database */
67typedef struct _THDB
68{
69 LONG header[2]; /* 00 Kernel object header */
70 struct _PDB *process; /* 08 Process owning this thread */
71 HANDLE event; /* 0c Thread event */
72 TEB teb; /* 10 Thread exception block */
73 DWORD flags; /* 44 Flags */
74 DWORD exit_code; /* 48 Termination status */
75 WORD teb_sel; /* 4c Selector to TEB */
76 WORD emu_sel; /* 4e 80387 emulator selector */
77 int thread_errno; /* 50 Per-thread errno (was: unknown) */
78 void *wait_list; /* 54 Event waiting list */
79 int thread_h_errno; /* 50 Per-thread h_errno (was: unknown) */
80 void *ring0_thread; /* 5c Pointer to ring 0 thread */
81 void *ptdbx; /* 60 Pointer to TDBX structure */
82 void *stack_base; /* 64 Base of the stack */
83 void *exit_stack; /* 68 Stack pointer on thread exit */
84 void *emu_data; /* 6c Related to 80387 emulation */
85 DWORD last_error; /* 70 Last error code */
86 void *debugger_CB; /* 74 Debugger context block */
87 DWORD debug_thread; /* 78 Thread debugging this one (?) */
88 void *pcontext; /* 7c Thread register context */
89 DWORD cur_stack; /* 80 Current stack (was: unknown) */
90 DWORD unknown3[2]; /* 84 Unknown */
91 WORD current_ss; /* 8c Another 16-bit stack selector */
92 WORD pad2; /* 8e */
93 void *ss_table; /* 90 Pointer to info about 16-bit stack */
94 WORD thunk_ss; /* 94 Yet another 16-bit stack selector */
95 WORD pad3; /* 96 */
96#ifdef __WIN32OS2__
97 LPVOID tls_array[TLS_MINIMUM_AVAILABLE]; /* 98 Thread local storage */
98#else
99 LPVOID tls_array[64]; /* 98 Thread local storage */
100#endif
101 DWORD delta_priority; /* 198 Priority delta */
102 DWORD unknown4[7]; /* 19c Unknown */
103 void *create_data; /* 1b8 Pointer to creation structure */
104 DWORD suspend_count; /* 1bc SuspendThread() counter */
105 void *entry_point; /* 1c0 Thread entry point (was: unknown) */
106 void *entry_arg; /* 1c4 Entry point arg (was: unknown) */
107 DWORD unknown5[4]; /* 1c8 Unknown */
108 DWORD sys_count[4]; /* 1d8 Syslevel mutex entry counters */
109 CRITICAL_SECTION *sys_mutex[4];/* 1e8 Syslevel mutex pointers */
110 DWORD unknown6[2]; /* 1f8 Unknown */
111 /* The following are Wine-specific fields */
112 int socket; /* Socket for server communication */
113 unsigned int seq; /* Server sequence number */
114 void *server_tid; /* Server id for this thread */
115 void (*startup)(void); /* Thread startup routine */
116 struct _THDB *next; /* Global thread list */
117#ifdef __WIN32OS2__
118 DWORD OrgTIBSel; // Original OS/2 TIB selector (always the same, but let's not assume too much for future compatibility)
119 ULONG hmq; // Thread message queue
120 ULONG hab; // Thread Anchor block
121 ULONG hooks[WH_NB_HOOKS]; //list of hooks for this thread queue
122 ULONG threadId; // Thread ID
123 ULONG hThread; // thread handle
124 ULONG exceptFrame; // address of os/2 exception handler frame
125 ULONG newWindow; // Pointer to window object of window that was just created
126 void* pWsockData; // Winsock data pointer (NULL if unused)
127 DWORD lParam; // MessageExtraInfo
128 WINDOWPOS wp; // Used by message translation for WM_WINDOWPOSCHANGED
129 ULONG nrOfMsgs; // Usually 1; some PM messages can generated more than 1 win32 msg
130 BOOL fTranslated; // WM_CHAR already translated or not
131 ULONG msgstate; // odd -> dispatchmessage called, even -> not called
132 QMSG os2msg; // original os2 msg (received with Get- or PeekMessage)
133 MSG winmsg; // temporary storage for translated os2 msg (used in DispatchMessage)
134 MSG msg; // Used by message translation to store translated PM message (sent to win32 window proc in pmwindow.cpp)
135 MSG msgWCHAR; // Used to store extra WM_CHAR message generated by TranslateMessage
136 DWORD pidDebuggee; // process id of debuggee
137 DWORD logfile; // last FILE ptr used for logging (for exception handling in vfprintf)
138 PROCESSTHREAD_SECURITYINFO threadinfo; //used to store security info for thread tokens
139 DWORD lcid; // thread lcid
140#endif
141} THDB;
142
143/* The pseudo handle value returned by GetCurrentThread */
144#define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe
145
146#ifdef __i386__
147/* On the i386, the current thread is in the %fs register */
148# define SET_CUR_THREAD(thdb) SET_FS((thdb)->teb_sel)
149#else
150extern THDB *pCurrentThread;
151# define SET_CUR_THREAD(thdb) (pCurrentThread = (thdb))
152#endif /* __i386__ */
153
154
155/* scheduler/thread.c */
156extern THDB *THREAD_CreateInitialThread( struct _PDB *pdb, int server_fd );
157extern THDB *THREAD_Create( struct _PDB *pdb, DWORD flags,
158 DWORD stack_size, BOOL alloc_stack16,
159 LPSECURITY_ATTRIBUTES sa, int *server_handle );
160extern THDB *THREAD_Current(void);
161extern BOOL THREAD_IsWin16( THDB *thdb );
162extern THDB *THREAD_IdToTHDB( DWORD id );
163
164/* scheduler/sysdeps.c */
165extern int SYSDEPS_SpawnThread( THDB *thread );
166extern void SYSDEPS_ExitThread(void);
167extern TEB * WINAPI NtCurrentTeb(void);
168
169#endif /* __WINE_THREAD_H */
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