4 * Copyright 1996 Alexandre Julliard
7 #ifndef __WINE_THREAD_H
8 #define __WINE_THREAD_H
12 #include "selectors.h" /* for SET_FS */
15 struct __EXCEPTION_FRAME;
17 /* Thread exception block */
20 struct __EXCEPTION_FRAME *except; /* 00 Head of exception handling chain */
21 void *stack_top; /* 04 Top of thread stack */
22 void *stack_low; /* 08 Stack low-water mark */
23 HTASK16 htask16; /* 0c Win16 task handle */
24 WORD stack_sel; /* 0e 16-bit stack selector */
25 DWORD selman_list; /* 10 Selector manager list */
26 DWORD user_ptr; /* 14 User pointer */
27 struct _TEB *self; /* 18 Pointer to this structure */
28 WORD flags; /* 1c Flags */
29 WORD mutex_count; /* 1e Win16 mutex count */
30 DWORD debug_context; /* 20 Debug context */
31 DWORD *ppriority; /* 24 Pointer to current priority */
32 HQUEUE16 queue; /* 28 Message queue */
34 LPVOID *tls_ptr; /* 2c Pointer to TLS array */
35 struct _PDB *process; /* 30 owning process (used by NT3.51 applets)*/
38 /* Thread exception flags */
39 #define TEBF_WIN32 0x0001
40 #define TEBF_TRAP 0x0002
45 LONG header[2]; /* 00 Kernel object header */
46 struct _PDB *process; /* 08 Process owning this thread */
47 HANDLE event; /* 0c Thread event */
48 TEB teb; /* 10 Thread exception block */
49 DWORD flags; /* 44 Flags */
50 DWORD exit_code; /* 48 Termination status */
51 WORD teb_sel; /* 4c Selector to TEB */
52 WORD emu_sel; /* 4e 80387 emulator selector */
53 int thread_errno; /* 50 Per-thread errno (was: unknown) */
54 void *wait_list; /* 54 Event waiting list */
55 int thread_h_errno; /* 50 Per-thread h_errno (was: unknown) */
56 void *ring0_thread; /* 5c Pointer to ring 0 thread */
57 void *ptdbx; /* 60 Pointer to TDBX structure */
58 void *stack_base; /* 64 Base of the stack */
59 void *exit_stack; /* 68 Stack pointer on thread exit */
60 void *emu_data; /* 6c Related to 80387 emulation */
61 DWORD last_error; /* 70 Last error code */
62 void *debugger_CB; /* 74 Debugger context block */
63 DWORD debug_thread; /* 78 Thread debugging this one (?) */
64 void *pcontext; /* 7c Thread register context */
65 DWORD cur_stack; /* 80 Current stack (was: unknown) */
66 DWORD unknown3[2]; /* 84 Unknown */
67 WORD current_ss; /* 8c Another 16-bit stack selector */
69 void *ss_table; /* 90 Pointer to info about 16-bit stack */
70 WORD thunk_ss; /* 94 Yet another 16-bit stack selector */
72 LPVOID tls_array[64]; /* 98 Thread local storage */
73 DWORD delta_priority; /* 198 Priority delta */
74 DWORD unknown4[7]; /* 19c Unknown */
75 void *create_data; /* 1b8 Pointer to creation structure */
76 DWORD suspend_count; /* 1bc SuspendThread() counter */
77 void *entry_point; /* 1c0 Thread entry point (was: unknown) */
78 void *entry_arg; /* 1c4 Entry point arg (was: unknown) */
79 DWORD unknown5[4]; /* 1c8 Unknown */
80 DWORD sys_count[4]; /* 1d8 Syslevel mutex entry counters */
81 CRITICAL_SECTION *sys_mutex[4];/* 1e8 Syslevel mutex pointers */
82 DWORD unknown6[2]; /* 1f8 Unknown */
83 /* The following are Wine-specific fields */
84 int socket; /* Socket for server communication */
85 unsigned int seq; /* Server sequence number */
86 void *server_tid; /* Server id for this thread */
87 void (*startup)(void); /* Thread startup routine */
88 struct _THDB *next; /* Global thread list */
89 DWORD cleanup; /* Cleanup service handle */
92 /* The pseudo handle value returned by GetCurrentThread */
93 #define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe
96 /* On the i386, the current thread is in the %fs register */
97 # define SET_CUR_THREAD(thdb) SET_FS((thdb)->teb_sel)
99 extern THDB *pCurrentThread;
100 # define SET_CUR_THREAD(thdb) (pCurrentThread = (thdb))
101 #endif /* __i386__ */
104 /* scheduler/thread.c */
105 extern THDB *THREAD_CreateInitialThread( struct _PDB *pdb, int server_fd );
106 extern THDB *THREAD_Create( struct _PDB *pdb, DWORD flags,
107 DWORD stack_size, BOOL alloc_stack16,
108 LPSECURITY_ATTRIBUTES sa, int *server_handle );
109 extern THDB *THREAD_Current(void);
110 extern BOOL THREAD_IsWin16( THDB *thdb );
111 extern THDB *THREAD_IdToTHDB( DWORD id );
113 /* scheduler/sysdeps.c */
114 extern int SYSDEPS_SpawnThread( THDB *thread );
115 extern void SYSDEPS_ExitThread(void);
116 extern TEB * WINAPI NtCurrentTeb(void);
118 #endif /* __WINE_THREAD_H */