| 1 | /* $Id: thread.h,v 1.3 1999-06-19 17:58:50 sandervl Exp $ */
|
|---|
| 2 |
|
|---|
| 3 | /*
|
|---|
| 4 | * Thread definitions
|
|---|
| 5 | *
|
|---|
| 6 | * Copyright 1996 Alexandre Julliard
|
|---|
| 7 | */
|
|---|
| 8 |
|
|---|
| 9 | #ifndef __WINE_THREAD_H
|
|---|
| 10 | #define __WINE_THREAD_H
|
|---|
| 11 |
|
|---|
| 12 | #include "config.h"
|
|---|
| 13 | #include "winbase.h"
|
|---|
| 14 | //#include "selectors.h" /* for SET_FS */
|
|---|
| 15 |
|
|---|
| 16 | struct _PDB;
|
|---|
| 17 |
|
|---|
| 18 | /* Thread exception block */
|
|---|
| 19 | typedef struct _TEB
|
|---|
| 20 | {
|
|---|
| 21 | void *except; /* 00 Head of exception handling chain */
|
|---|
| 22 | void *stack_top; /* 04 Top of thread stack */
|
|---|
| 23 | void *stack_low; /* 08 Stack low-water mark */
|
|---|
| 24 | HTASK16 htask16; /* 0c Win16 task handle */
|
|---|
| 25 | WORD stack_sel; /* 0e 16-bit stack selector */
|
|---|
| 26 | DWORD selman_list; /* 10 Selector manager list */
|
|---|
| 27 | DWORD user_ptr; /* 14 User pointer */
|
|---|
| 28 | struct _TEB *self; /* 18 Pointer to this structure */
|
|---|
| 29 | WORD flags; /* 1c Flags */
|
|---|
| 30 | WORD mutex_count; /* 1e Win16 mutex count */
|
|---|
| 31 | DWORD debug_context; /* 20 Debug context */
|
|---|
| 32 | DWORD *ppriority; /* 24 Pointer to current priority */
|
|---|
| 33 | HQUEUE16 queue; /* 28 Message queue */
|
|---|
| 34 | WORD pad1; /* 2a */
|
|---|
| 35 | LPVOID *tls_ptr; /* 2c Pointer to TLS array */
|
|---|
| 36 | struct _PDB *process; /* 30 owning process (used by NT3.51 applets)*/
|
|---|
| 37 | } TEB;
|
|---|
| 38 |
|
|---|
| 39 | /* Thread exception flags */
|
|---|
| 40 | #define TEBF_WIN32 0x0001
|
|---|
| 41 | #define TEBF_TRAP 0x0002
|
|---|
| 42 |
|
|---|
| 43 | /* Thread database */
|
|---|
| 44 | typedef struct _THDB
|
|---|
| 45 | {
|
|---|
| 46 | LONG header[2]; /* 00 Kernel object header */
|
|---|
| 47 | struct _PDB *process; /* 08 Process owning this thread */
|
|---|
| 48 | HANDLE event; /* 0c Thread event */
|
|---|
| 49 | TEB teb; /* 10 Thread exception block */
|
|---|
| 50 | DWORD flags; /* 44 Flags */
|
|---|
| 51 | DWORD exit_code; /* 48 Termination status */
|
|---|
| 52 | WORD teb_sel; /* 4c Selector to TEB */
|
|---|
| 53 | WORD emu_sel; /* 4e 80387 emulator selector */
|
|---|
| 54 | int thread_errno; /* 50 Per-thread errno (was: unknown) */
|
|---|
| 55 | void *wait_list; /* 54 Event waiting list */
|
|---|
| 56 | int thread_h_errno; /* 50 Per-thread h_errno (was: unknown) */
|
|---|
| 57 | void *ring0_thread; /* 5c Pointer to ring 0 thread */
|
|---|
| 58 | void *ptdbx; /* 60 Pointer to TDBX structure */
|
|---|
| 59 | void *stack_base; /* 64 Base of the stack */
|
|---|
| 60 | void *exit_stack; /* 68 Stack pointer on thread exit */
|
|---|
| 61 | void *emu_data; /* 6c Related to 80387 emulation */
|
|---|
| 62 | DWORD last_error; /* 70 Last error code */
|
|---|
| 63 | void *debugger_CB; /* 74 Debugger context block */
|
|---|
| 64 | DWORD debug_thread; /* 78 Thread debugging this one (?) */
|
|---|
| 65 | void *pcontext; /* 7c Thread register context */
|
|---|
| 66 | DWORD cur_stack; /* 80 Current stack (was: unknown) */
|
|---|
| 67 | DWORD unknown3[2]; /* 84 Unknown */
|
|---|
| 68 | WORD current_ss; /* 8c Another 16-bit stack selector */
|
|---|
| 69 | WORD pad2; /* 8e */
|
|---|
| 70 | void *ss_table; /* 90 Pointer to info about 16-bit stack */
|
|---|
| 71 | WORD thunk_ss; /* 94 Yet another 16-bit stack selector */
|
|---|
| 72 | WORD pad3; /* 96 */
|
|---|
| 73 | LPVOID tls_array[64]; /* 98 Thread local storage */
|
|---|
| 74 | DWORD delta_priority; /* 198 Priority delta */
|
|---|
| 75 | DWORD unknown4[7]; /* 19c Unknown */
|
|---|
| 76 | void *create_data; /* 1b8 Pointer to creation structure */
|
|---|
| 77 | DWORD suspend_count; /* 1bc SuspendThread() counter */
|
|---|
| 78 | void *entry_point; /* 1c0 Thread entry point (was: unknown) */
|
|---|
| 79 | void *entry_arg; /* 1c4 Entry point arg (was: unknown) */
|
|---|
| 80 | DWORD unknown5[4]; /* 1c8 Unknown */
|
|---|
| 81 | DWORD sys_count[4]; /* 1d8 Syslevel mutex entry counters */
|
|---|
| 82 | CRITICAL_SECTION *sys_mutex[4];/* 1e8 Syslevel mutex pointers */
|
|---|
| 83 | DWORD unknown6[2]; /* 1f8 Unknown */
|
|---|
| 84 | /* The following are Wine-specific fields */
|
|---|
| 85 | int socket; /* Socket for server communication */
|
|---|
| 86 | unsigned int seq; /* Server sequence number */
|
|---|
| 87 | void *server_tid; /* Server id for this thread */
|
|---|
| 88 | void (*startup)(void); /* Thread startup routine */
|
|---|
| 89 | struct _THDB *next; /* Global thread list */
|
|---|
| 90 | #ifdef __WIN32OS2__
|
|---|
| 91 | DWORD OrgTIBSel; // Original OS/2 TIB selector (always the same, but let's not assume too much for future compatibility)
|
|---|
| 92 | #endif
|
|---|
| 93 | } THDB;
|
|---|
| 94 |
|
|---|
| 95 | /* The pseudo handle value returned by GetCurrentThread */
|
|---|
| 96 | #define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe
|
|---|
| 97 |
|
|---|
| 98 | #ifdef __i386__
|
|---|
| 99 | /* On the i386, the current thread is in the %fs register */
|
|---|
| 100 | # define SET_CUR_THREAD(thdb) SET_FS((thdb)->teb_sel)
|
|---|
| 101 | #else
|
|---|
| 102 | extern THDB *pCurrentThread;
|
|---|
| 103 | # define SET_CUR_THREAD(thdb) (pCurrentThread = (thdb))
|
|---|
| 104 | #endif /* __i386__ */
|
|---|
| 105 |
|
|---|
| 106 |
|
|---|
| 107 | /* scheduler/thread.c */
|
|---|
| 108 | extern THDB *THREAD_CreateInitialThread( struct _PDB *pdb, int server_fd );
|
|---|
| 109 | extern THDB *THREAD_Create( struct _PDB *pdb, DWORD flags,
|
|---|
| 110 | DWORD stack_size, BOOL alloc_stack16,
|
|---|
| 111 | LPSECURITY_ATTRIBUTES sa, int *server_handle );
|
|---|
| 112 | extern THDB *THREAD_Current(void);
|
|---|
| 113 | extern BOOL THREAD_IsWin16( THDB *thdb );
|
|---|
| 114 | extern THDB *THREAD_IdToTHDB( DWORD id );
|
|---|
| 115 |
|
|---|
| 116 | /* scheduler/sysdeps.c */
|
|---|
| 117 | extern int SYSDEPS_SpawnThread( THDB *thread );
|
|---|
| 118 | extern void SYSDEPS_ExitThread(void);
|
|---|
| 119 | extern TEB * WINAPI NtCurrentTeb(void);
|
|---|
| 120 |
|
|---|
| 121 | #endif /* __WINE_THREAD_H */
|
|---|
