4 * Copyright 1996 Alexandre Julliard
7 #ifndef __WINE_THREAD_H
8 #define __WINE_THREAD_H
13 #include "ntdef.h" /* UNICODE_STRING */
16 struct __EXCEPTION_FRAME
;
18 /* Thread exception block
22 d-- win95 debug version
26 !-- or -!- likely or observed collision
27 more problems (collected from mailing list):
28 psapi.dll 0x10/0x30 (expects nt fields)
30 PESHiELD 0x23/0x30 (win95)
35 struct __EXCEPTION_FRAME
*except
; /* 12- 00 Head of exception handling chain */
36 void *stack_top
; /* 12- 04 Top of thread stack */
37 void *stack_low
; /* 12- 08 Stack low-water mark */
38 HTASK16 htask16
; /* 1-- 0c Win16 task handle */
39 WORD stack_sel
; /* 1-- 0e 16-bit stack selector */
40 DWORD selman_list
; /* 1-n 10 Selector manager list */
41 DWORD user_ptr
; /* 12n 14 User pointer */
43 struct _TEB
*self
; /* 12- 18 Pointer to this structure */
44 WORD tibflags
; /* 1!n 1c Flags (NT: EnvironmentPointer) */
45 WORD mutex_count
; /* 1-n 1e Win16 mutex count */
46 DWORD debug_context
; /* 1!n 20 Debug context (NT: PVOID UniqueProcess) */
47 void *tid
; /* -2- 24 Thread id */
48 HQUEUE16 queue
; /* 1!- 28 Message queue (NT: DWORD ActiveRpcHandle)*/
49 WORD pad1
; /* --n 2a */
50 LPVOID
*tls_ptr
; /* 1-- 2c Pointer to TLS array */
51 struct _PDB
*process
; /* 12- 30 owning process (win95: PDB; nt: NTPEB !!) */
52 DWORD flags
; /* 1-n 34 */
53 DWORD exit_code
; /* 1-- 38 Termination status */
54 WORD teb_sel
; /* 1-- 3c Selector to TEB */
55 WORD emu_sel
; /* 1-n 3e 80387 emulator selector */
56 DWORD unknown1
; /* --n 40 */
57 DWORD unknown2
; /* --n 44 */
58 void (*startup
)(void); /* --3 48 Thread startup routine */
59 int thread_errno
; /* --3 4c Per-thread errno (was: ring0_thread) */
60 int thread_h_errno
; /* --3 50 Per-thread h_errno (was: ptr to tdbx structure) */
61 void *stack_base
; /* 1-- 54 Base of the stack */
62 void *signal_stack
; /* --3 58 Signal stack (was: exit_stack) */
63 void *emu_data
; /* --n 5c Related to 80387 emulation */
64 DWORD last_error
; /* 1-- 60 Last error code */
65 HANDLE debug_cb
; /* 1-n 64 Debugger context block */
66 DWORD debug_thread
; /* 1-n 68 Thread debugging this one (?) */
67 void *pcontext
; /* 1-n 6c Thread register context */
68 DWORD cur_stack
; /* --3 70 Current stack (was: unknown) */
69 DWORD ThunkConnect
; /* 1-n 74 */
70 DWORD NegStackBase
; /* 1-n 78 */
71 WORD current_ss
; /* 1-n 7c Another 16-bit stack selector */
72 WORD pad2
; /* --n 7e */
73 void *ss_table
; /* --n 80 Pointer to info about 16-bit stack */
74 WORD thunk_ss
; /* --n 84 Yet another 16-bit stack selector */
75 WORD pad3
; /* --n 86 */
76 DWORD pad4
[15]; /* --n 88 */
77 ULONG CurrentLocale
; /* -2n C4 */
78 DWORD pad5
[48]; /* --n C8 */
79 DWORD delta_priority
; /* 1-n 188 Priority delta */
80 DWORD unknown4
[7]; /* d-n 18c Unknown */
81 void *create_data
; /* d-n 1a8 Pointer to creation structure */
82 DWORD suspend_count
; /* d-n 1ac SuspendThread() counter */
83 void *entry_point
; /* --3 1b0 Thread entry point (was: unknown) */
84 void *entry_arg
; /* --3 1b4 Entry point arg (was: unknown) */
85 DWORD unknown5
[4]; /* --n 1b8 Unknown */
86 DWORD sys_count
[4]; /* --3 1c8 Syslevel mutex entry counters */
87 SYSLEVEL
*sys_mutex
[4]; /* --3 1d8 Syslevel mutex pointers */
88 DWORD unknown6
[5]; /* --n 1e8 Unknown */
90 /* The following are Wine-specific fields (NT: GDI stuff) */
91 struct _TEB
*next
; /* --3 1fc Global thread list */
92 DWORD cleanup
; /* --3 200 Cleanup service handle */
93 int socket
; /* --3 204 Socket for server communication */
94 void *buffer
; /* --3 208 Buffer shared with server */
95 int buffer_size
; /* --3 20c Size of server buffer */
96 void *debug_info
; /* --3 210 Info for debugstr functions */
97 /* here is plenty space for wine specific fields (don't forget to change pad6!!) */
99 /* the following are nt specific fields */
100 DWORD pad6
[633]; /* --n 214 */
101 UNICODE_STRING StaticUnicodeString
; /* -2- bf8 used by advapi32 */
102 USHORT StaticUnicodeBuffer
[261]; /* -2- c00 used by advapi32 */
103 DWORD pad7
; /* --n e0c */
104 LPVOID tls_array
[64]; /* -2- e10 Thread local storage */
105 DWORD pad8
[3]; /* --n f10 */
106 PVOID ReservedForNtRpc
; /* -2- f1c used by rpcrt4 */
107 DWORD pad9
[24]; /* --n f20 */
108 PVOID ReservedForOle
; /* -2- f80 used by ole32 */
111 /* Thread exception flags */
112 #define TEBF_WIN32 0x0001
113 #define TEBF_TRAP 0x0002
115 /* The pseudo handle value returned by GetCurrentThread */
116 #define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe
118 /* The per-thread signal stack size */
119 #define SIGNAL_STACK_SIZE 16384
122 /* scheduler/thread.c */
123 extern TEB
*THREAD_CreateInitialThread( struct _PDB
*pdb
, int server_fd
);
124 extern TEB
*THREAD_Create( struct _PDB
*pdb
, int fd
, DWORD flags
,
125 DWORD stack_size
, BOOL alloc_stack16
,
126 LPSECURITY_ATTRIBUTES sa
, int *server_handle
);
127 extern BOOL
THREAD_IsWin16( TEB
*thdb
);
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(void);
135 #define SetLastError(err) ((void)(NtCurrentTeb()->last_error = (err)))
136 #define GetCurrentThreadId() ((DWORD)NtCurrentTeb()->tid)
138 #endif /* __WINE_THREAD_H */