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