source: trunk/include/win/thread.h

Last change on this file was 10435, checked in by bird, 22 years ago

#682: Drag & Drop fixes.
File size: 9.4 KB
RevLine 
[4]1/*
2 * Thread definitions
3 *
4 * Copyright 1996 Alexandre Julliard
5 */
6
7#ifndef __WINE_THREAD_H
8#define __WINE_THREAD_H
9
[1067]10#ifdef __WIN32OS2__
[2203]11#define TLS_MINIMUM_AVAILABLE 64
[1067]12 #ifndef __OS2_H__
13 #include "config.h"
14 #include "winbase.h"
[4657]15 #include "winuser.h"
16 #include <ntdef.h>
[1067]17 #endif
[2326]18 #include <ntdllsec.h> //PROCESSTHREAD_SECURITYINFO struct
[1067]19#else
[4]20#include "config.h"
21#include "winbase.h"
[1067]22#include "selectors.h" /* for SET_FS */
[281]23#endif
24
[4]25struct _PDB;
26
[3522]27#ifndef OS2DEF_INCLUDED
28 /* QMSG structure */
29 typedef struct _QMSG /* qmsg */
30 {
31 HWND hwnd;
32 ULONG msg;
33 ULONG mp1;
34 ULONG mp2;
35 ULONG time;
36 POINTL ptl;
37 ULONG reserved;
38 } QMSG;
39#endif
40
[4657]41/* Thread exception block
42
43 flags in the comment:
44 1-- win95 field
45 d-- win95 debug version
46 -2- nt field
47 --3 wine special
48 --n wine unused
49 !-- or -!- likely or observed collision
50 more problems (collected from mailing list):
51 psapi.dll 0x10/0x30 (expects nt fields)
52 ie4 0x40
53 PESHiELD 0x23/0x30 (win95)
54*/
55
[5014]56#pragma pack(4)
[4657]57/* Thread exception block */
58typedef struct _TEB
[4]59{
[4657]60/* start of NT_TIB */
[5014]61 void *except; /* 12- 00 Head of exception handling chain */
[4657]62 void *stack_top; /* 12- 04 Top of thread stack */
63 void *stack_low; /* 12- 08 Stack low-water mark */
64 HTASK16 htask16; /* 1-- 0c Win16 task handle */
65 WORD stack_sel; /* 1-- 0e 16-bit stack selector */
66 DWORD selman_list; /* 1-n 10 Selector manager list */
67 DWORD user_ptr; /* 12n 14 User pointer */
[10012]68/* end of NT_TIB */
[4657]69 struct _TEB *self; /* 12- 18 Pointer to this structure */
70 WORD tibflags; /* 1!n 1c Flags (NT: EnvironmentPointer) */
71 WORD mutex_count; /* 1-n 1e Win16 mutex count */
72 void *pid; /* !2- 20 Process id (win95: debug context) */
73 void *tid; /* -2- 24 Thread id */
74 HQUEUE16 queue; /* 1!- 28 Message queue (NT: DWORD ActiveRpcHandle)*/
75 WORD pad1; /* --n 2a */
76 LPVOID *tls_ptr; /* 2c Pointer to TLS array */
77 struct _PDB *process; /* 12- 30 owning process (win95: PDB; nt: NTPEB !!) */
78 DWORD flags; /* 1-n 34 */
79 DWORD exit_code; /* 1-- 38 Termination status */
80 WORD teb_sel; /* 1-- 3c Selector to TEB */
81 WORD emu_sel; /* 1-n 3e 80387 emulator selector */
82 DWORD unknown1; /* --n 40 */
83 DWORD unknown2; /* --n 44 */
84 void (*startup)(void); /* --3 48 Thread startup routine */
85 int thread_errno; /* --3 4c Per-thread errno (was: ring0_thread) */
86 int thread_h_errno; /* --3 50 Per-thread h_errno (was: ptr to tdbx structure) */
87 void *stack_base; /* 1-- 54 Base of the stack */
88 void *signal_stack; /* --3 58 Signal stack (was: exit_stack) */
89 void *emu_data; /* --n 5c Related to 80387 emulation */
90 DWORD last_error; /* 1-- 60 Last error code */
91 HANDLE debug_cb; /* 1-n 64 Debugger context block */
92 DWORD debug_thread; /* 1-n 68 Thread debugging this one (?) */
93 void *pcontext; /* 1-n 6c Thread register context */
94 DWORD cur_stack; /* --3 70 Current stack (was: unknown) */
95 DWORD ThunkConnect; /* 1-n 74 */
96 DWORD NegStackBase; /* 1-n 78 */
97 WORD current_ss; /* 1-n 7c Another 16-bit stack selector */
98 WORD pad2; /* --n 7e */
99 void *ss_table; /* --n 80 Pointer to info about 16-bit stack */
100 WORD thunk_ss; /* --n 84 Yet another 16-bit stack selector */
101 WORD pad3; /* --n 86 */
102 DWORD pad4[15]; /* --n 88 */
103 ULONG CurrentLocale; /* -2- C4 */
104 DWORD pad5[48]; /* --n C8 */
105 DWORD delta_priority; /* 1-n 188 Priority delta */
106 DWORD unknown4[7]; /* d-n 18c Unknown */
107 void *create_data; /* d-n 1a8 Pointer to creation structure */
108 DWORD suspend_count; /* d-n 1ac SuspendThread() counter */
109 void *entry_point; /* --3 1b0 Thread entry point (was: unknown) */
110 void *entry_arg; /* --3 1b4 Entry point arg (was: unknown) */
111 DWORD unknown5[4]; /* --n 1b8 Unknown */
112 DWORD sys_count[4]; /* --3 1c8 Syslevel mutex entry counters */
113 struct tagSYSLEVEL *sys_mutex[4]; /* --3 1d8 Syslevel mutex pointers */
114 DWORD unknown6[5]; /* --n 1e8 Unknown */
115
116 union {
[281]117#ifdef __WIN32OS2__
[4657]118 struct {
119 struct _TEB *next;
120 DWORD OrgTIBSel; // Original OS/2 TIB selector (always the same, but let's not assume too much for future compatibility)
121 ULONG hmq; // Thread message queue
[8951]122 HANDLE hPostMsgEvent; // Event semaphore to signal message post to MsgWaitForMultipleObjects
123 DWORD dwWakeMask; // Set by MsgWaitForMultipleObjects
[4657]124 ULONG hab; // Thread Anchor block
125 ULONG hooks[WH_NB_HOOKS]; //list of hooks for this thread queue
126 ULONG threadId; // Thread ID
127 ULONG hThread; // thread handle
[8925]128 ULONG dwSuspend; // suspend count (Suspend/ResumeThread)
[4657]129 ULONG exceptFrame; // address of os/2 exception handler frame
130 ULONG newWindow; // Pointer to window object of window that was just created
131 void* pWsockData; // Winsock data pointer (NULL if unused)
[10012]132
[6830]133 // used for PM-to-Win32 message translation
134 PVOID pMessageBuffer; // MessageBuffer object
135 // (here typeless due to include conflicts)
[7618]136 DWORD dwMsgExtraInfo; // MessageExtraInfo
[4657]137 WINDOWPOS wp; // Used by message translation for WM_WINDOWPOSCHANGED
138 ULONG nrOfMsgs; // Usually 1; some PM messages can generated more than 1 win32 msg
139 BOOL fTranslated; // WM_CHAR already translated or not
140 ULONG msgstate; // odd -> dispatchmessage called, even -> not called
141 QMSG os2msg; // original os2 msg (received with Get- or PeekMessage)
142 MSG winmsg; // temporary storage for translated os2 msg (used in DispatchMessage)
143 MSG msg; // Used by message translation to store translated PM message (sent to win32 window proc in pmwindow.cpp)
144 MSG msgWCHAR; // Used to store extra WM_CHAR message generated by TranslateMessage
[10012]145
[4657]146 DWORD pidDebuggee; // process id of debuggee
147 DWORD logfile; // last FILE ptr used for logging (for exception handling in vfprintf)
148 PROCESSTHREAD_SECURITYINFO threadinfo; //used to store security info for thread tokens
149 DWORD lcid; // thread lcid
[4941]150 BOOL fIgnoreMsgs; // set to true if waiting in WaitForSingleObject
[10079]151 BOOL fWaitMessage; // set if blocked in WaitMessage
[10435]152 BOOL fWaitMessageSuspend;
[9927]153
[10012]154 CONTEXT context; // thread context
[10318]155 USHORT savedopcode; // saved instruction
[9927]156 LPVOID lpAlias; // alias
157 DWORD dwAliasOffset; // offset
[10012]158
159 /** @name Special message handling.
160 * @{ */
161 /** WM_COPYDATA - Must keep it around while it's being processed.
162 * Freeing it upon the arrival. Nested WM_COPYDATA isn't supported.
163 */
164 void * pWM_COPYDATA;
165 //@}
166
[10435]167 /** Thread Id of the thread is attached to this threads input queue.
168 * If 0 then no thread is attached. See AttachThreadInput() for details. */
169 unsigned tidAttachedInputThread;
170
[6830]171#ifdef DEBUG
172 // used for call stack tracking
[7326]173 ULONG dbgCallDepth; // is de-/incremented by ODINWRAP macros
174 PVOID* arrstrCallStack; // keep track of thread's call stack
[6830]175#endif
[4657]176 } odin;
[281]177#endif
[4657]178 /* the following are nt specific fields */
[5014]179 DWORD pad6[639]; /* --n 21c */
[4657]180 } o;
181 UNICODE_STRING StaticUnicodeString; /* -2- bf8 used by advapi32 */
182 USHORT StaticUnicodeBuffer[261]; /* -2- c00 used by advapi32 */
183 DWORD pad7; /* --n e0c */
[125]184#ifdef __WIN32OS2__
[4657]185 LPVOID tls_array[TLS_MINIMUM_AVAILABLE]; /* -2- e10 Thread local storage */
186#else
187 LPVOID tls_array[64]; /* -2- e10 Thread local storage */
[125]188#endif
[4657]189 DWORD pad8[3]; /* --n f10 */
190 PVOID ReservedForNtRpc; /* -2- f1c used by rpcrt4 */
191 DWORD pad9[24]; /* --n f20 */
192 PVOID ErrorInfo; /* -2- f80 used by ole32 (IErrorInfo*) */
193} TEB;
194#pragma pack()
[4]195
[4657]196/* Thread exception flags */
197#define TEBF_WIN32 0x0001
198#define TEBF_TRAP 0x0002
199
200
[4]201/* The pseudo handle value returned by GetCurrentThread */
202#define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe
203
204#endif /* __WINE_THREAD_H */
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