4 * Copyright 1996 Alexandre Julliard
7 #ifndef __WINE_THREAD_H
8 #define __WINE_THREAD_H
10 #include "ntdef.h" /* UNICODE_STRING */
11 #include "wine/windef16.h"
14 struct __EXCEPTION_FRAME
;
15 struct _SECURITY_ATTRIBUTES
;
17 struct server_buffer_info
;
19 /* Thread exception block
23 d-- win95 debug version
27 !-- or -!- likely or observed collision
28 more problems (collected from mailing list):
29 psapi.dll 0x10/0x30 (expects nt fields)
31 PESHiELD 0x23/0x30 (win95)
36 struct __EXCEPTION_FRAME
*except
; /* 12- 00 Head of exception handling chain */
37 void *stack_top
; /* 12- 04 Top of thread stack */
38 void *stack_low
; /* 12- 08 Stack low-water mark */
39 HTASK16 htask16
; /* 1-- 0c Win16 task handle */
40 WORD stack_sel
; /* 1-- 0e 16-bit stack selector */
41 DWORD selman_list
; /* 1-n 10 Selector manager list */
42 DWORD user_ptr
; /* 12n 14 User pointer */
44 struct _TEB
*self
; /* 12- 18 Pointer to this structure */
45 WORD tibflags
; /* 1!n 1c Flags (NT: EnvironmentPointer) */
46 WORD mutex_count
; /* 1-n 1e Win16 mutex count */
47 void *pid
; /* !2- 20 Process id (win95: debug context) */
48 void *tid
; /* -2- 24 Thread id */
49 HQUEUE16 queue
; /* 1!- 28 Message queue (NT: DWORD ActiveRpcHandle)*/
50 WORD pad1
; /* --n 2a */
51 LPVOID
*tls_ptr
; /* 1-- 2c Pointer to TLS array */
52 struct _PDB
*process
; /* 12- 30 owning process (win95: PDB; nt: NTPEB !!) */
53 DWORD flags
; /* 1-n 34 */
54 DWORD exit_code
; /* 1-- 38 Termination status */
55 WORD teb_sel
; /* 1-- 3c Selector to TEB */
56 WORD emu_sel
; /* 1-n 3e 80387 emulator selector */
57 DWORD unknown1
; /* --n 40 */
58 DWORD unknown2
; /* --n 44 */
59 void (*startup
)(void); /* --3 48 Thread startup routine */
60 int thread_errno
; /* --3 4c Per-thread errno (was: ring0_thread) */
61 int thread_h_errno
; /* --3 50 Per-thread h_errno (was: ptr to tdbx structure) */
62 void *stack_base
; /* 1-- 54 Base of the stack */
63 void *signal_stack
; /* --3 58 Signal stack (was: exit_stack) */
64 void *emu_data
; /* --n 5c Related to 80387 emulation */
65 DWORD last_error
; /* 1-- 60 Last error code */
66 HANDLE debug_cb
; /* 1-n 64 Debugger context block */
67 DWORD debug_thread
; /* 1-n 68 Thread debugging this one (?) */
68 void *pcontext
; /* 1-n 6c Thread register context */
69 DWORD cur_stack
; /* --3 70 Current stack (was: unknown) */
70 DWORD ThunkConnect
; /* 1-n 74 */
71 DWORD NegStackBase
; /* 1-n 78 */
72 WORD current_ss
; /* 1-n 7c Another 16-bit stack selector */
73 WORD pad2
; /* --n 7e */
74 void *ss_table
; /* --n 80 Pointer to info about 16-bit stack */
75 WORD thunk_ss
; /* --n 84 Yet another 16-bit stack selector */
76 WORD pad3
; /* --n 86 */
77 DWORD pad4
[15]; /* --n 88 */
78 ULONG CurrentLocale
; /* -2- C4 */
79 DWORD pad5
[48]; /* --n C8 */
80 DWORD delta_priority
; /* 1-n 188 Priority delta */
81 DWORD unknown4
[7]; /* d-n 18c Unknown */
82 void *create_data
; /* d-n 1a8 Pointer to creation structure */
83 DWORD suspend_count
; /* d-n 1ac SuspendThread() counter */
84 void *entry_point
; /* --3 1b0 Thread entry point (was: unknown) */
85 void *entry_arg
; /* --3 1b4 Entry point arg (was: unknown) */
86 DWORD unknown5
[4]; /* --n 1b8 Unknown */
87 DWORD sys_count
[4]; /* --3 1c8 Syslevel mutex entry counters */
88 struct tagSYSLEVEL
*sys_mutex
[4]; /* --3 1d8 Syslevel mutex pointers */
89 DWORD unknown6
[5]; /* --n 1e8 Unknown */
91 /* The following are Wine-specific fields (NT: GDI stuff) */
92 DWORD unused
[4]; /* --3 1fc Was server buffer */
93 int request_fd
; /* --3 20c fd for sending server requests */
94 int reply_fd
; /* --3 210 fd for receiving server replies */
95 int wait_fd
[2]; /* --3 214 fd for sleeping server requests */
96 void *debug_info
; /* --3 21c Info for debugstr functions */
97 void *pthread_data
; /* --3 220 Data for pthread emulation */
98 struct async_private
*pending_list
; /* --3 224 list of pending async operations */
99 void *driver_data
; /* --3 228 Graphics driver private data */
100 DWORD alarms
; /* --3 22c Data for vm86 mode */
101 DWORD vm86_pending
; /* --3 230 Data for vm86 mode */
102 void *vm86_ptr
; /* --3 234 Data for vm86 mode */
103 /* here is plenty space for wine specific fields (don't forget to change pad6!!) */
105 /* the following are nt specific fields */
106 DWORD pad6
[624]; /* --n 238 */
107 UNICODE_STRING StaticUnicodeString
; /* -2- bf8 used by advapi32 */
108 USHORT StaticUnicodeBuffer
[261]; /* -2- c00 used by advapi32 */
109 DWORD pad7
; /* --n e0c */
110 LPVOID tls_array
[64]; /* -2- e10 Thread local storage */
111 DWORD pad8
[3]; /* --n f10 */
112 PVOID ReservedForNtRpc
; /* -2- f1c used by rpcrt4 */
113 DWORD pad9
[24]; /* --n f20 */
114 PVOID ErrorInfo
; /* -2- f80 used by ole32 (IErrorInfo*) */
117 /* Thread exception flags */
118 #define TEBF_WIN32 0x0001
119 #define TEBF_TRAP 0x0002
121 /* The per-thread signal stack size */
122 #define SIGNAL_STACK_SIZE 16384
125 /* scheduler/thread.c */
126 extern void THREAD_Init(void);
127 extern TEB
*THREAD_InitStack( TEB
*teb
, DWORD stack_size
);
128 extern TEB
*THREAD_IdToTEB( DWORD id
);
130 /* scheduler/sysdeps.c */
131 extern int SYSDEPS_SpawnThread( TEB
*teb
);
132 extern void SYSDEPS_SetCurThread( TEB
*teb
);
133 extern void SYSDEPS_ExitThread( int status
) WINE_NORETURN
;
134 extern void SYSDEPS_AbortThread( int status
) WINE_NORETURN
;
135 extern void SYSDEPS_SwitchToThreadStack( void (*func
)(void) ) WINE_NORETURN
;
137 /* signal handling */
138 extern BOOL
SIGNAL_Init(void);
139 extern void SIGNAL_Reset(void);
141 #endif /* __WINE_THREAD_H */