| /* |
| * Thread definitions |
| * |
| * Copyright 1996 Alexandre Julliard |
| */ |
| |
| #ifndef __WINE_THREAD_H |
| #define __WINE_THREAD_H |
| |
| #include "k32obj.h" |
| #include "windows.h" |
| #include "winnt.h" |
| #include "selectors.h" /* for SET_FS */ |
| |
| /* Thread exception block */ |
| typedef struct _TEB |
| { |
| void *except; /* 00 Head of exception handling chain */ |
| void *stack_top; /* 04 Top of thread stack */ |
| void *stack_low; /* 08 Stack low-water mark */ |
| HTASK16 htask16; /* 0c Win16 task handle */ |
| WORD stack_sel; /* 0e 16-bit stack selector */ |
| DWORD selman_list; /* 10 Selector manager list */ |
| DWORD user_ptr; /* 14 User pointer */ |
| struct _TEB *self; /* 18 Pointer to this structure */ |
| WORD flags; /* 1c Flags */ |
| WORD mutex_count; /* 1e Win16 mutex count */ |
| DWORD debug_context; /* 20 Debug context */ |
| DWORD *ppriority; /* 24 Pointer to current priority */ |
| HQUEUE16 queue; /* 28 Message queue */ |
| WORD pad1; /* 2a */ |
| LPVOID *tls_ptr; /* 2c Pointer to TLS array */ |
| } TEB; |
| |
| /* Event waiting structure */ |
| typedef struct |
| { |
| DWORD count; /* Count of valid objects */ |
| DWORD signaled; /* Index of signaled object (or WAIT_FAILED)*/ |
| BOOL32 wait_all; /* Wait for all objects flag */ |
| K32OBJ *objs[MAXIMUM_WAIT_OBJECTS]; /* Object pointers */ |
| } WAIT_STRUCT; |
| |
| struct _PDB32; |
| |
| /* Thread database */ |
| typedef struct _THDB |
| { |
| K32OBJ header; /* 00 Kernel object header */ |
| struct _PDB32 *process; /* 08 Process owning this thread */ |
| K32OBJ *event; /* 0c Thread event */ |
| TEB teb; /* 10 Thread exception block */ |
| struct _PDB32 *process2; /* 40 Same as offset 08 (?) */ |
| DWORD flags; /* 44 Flags */ |
| DWORD exit_code; /* 48 Termination status */ |
| WORD teb_sel; /* 4c Selector to TEB */ |
| WORD emu_sel; /* 4e 80387 emulator selector */ |
| int thread_errno; /* 50 Per-thread errno (was: unknown) */ |
| WAIT_STRUCT *wait_list; /* 54 Event waiting list */ |
| int thread_h_errno; /* 50 Per-thread h_errno (was: unknown) */ |
| void *ring0_thread; /* 5c Pointer to ring 0 thread */ |
| void *ptdbx; /* 60 Pointer to TDBX structure */ |
| void *stack_base; /* 64 Base of the stack */ |
| void *exit_stack; /* 68 Stack pointer on thread exit */ |
| void *emu_data; /* 6c Related to 80387 emulation */ |
| DWORD last_error; /* 70 Last error code */ |
| void *debugger_CB; /* 74 Debugger context block */ |
| DWORD debug_thread; /* 78 Thread debugging this one (?) */ |
| void *pcontext; /* 7c Thread register context */ |
| DWORD unknown3[3]; /* 80 Unknown */ |
| WORD current_ss; /* 8c Another 16-bit stack selector */ |
| WORD pad2; /* 8e */ |
| void *ss_table; /* 90 Pointer to info about 16-bit stack */ |
| WORD thunk_ss; /* 94 Yet another 16-bit stack selector */ |
| WORD pad3; /* 96 */ |
| LPVOID tls_array[64]; /* 98 Thread local storage */ |
| DWORD delta_priority; /* 198 Priority delta */ |
| DWORD unknown4[7]; /* 19c Unknown */ |
| void *create_data; /* 1b8 Pointer to creation structure */ |
| DWORD suspend_count; /* 1bc SuspendThread() counter */ |
| void *entry_point; /* 1c0 Thread entry point (was: unknown) */ |
| void *entry_arg; /* 1c4 Entry point arg (was: unknown) */ |
| int unix_pid; /* 1c8 Unix thread pid (was: unknown) */ |
| DWORD unknown5[6]; /* 1cc Unknown */ |
| K32OBJ *crit_section; /* 1e4 Some critical section */ |
| K32OBJ *win16_mutex; /* 1e8 Pointer to Win16 mutex */ |
| K32OBJ *win32_mutex; /* 1ec Pointer to KERNEL32 mutex */ |
| K32OBJ *crit_section2; /* 1f0 Another critical section */ |
| K32OBJ *mutex_list; /* 1f4 List of owned mutex (was: unknown)*/ |
| DWORD unknown6[2]; /* 1f8 Unknown */ |
| /* The following are Wine-specific fields */ |
| CONTEXT context; /* 200 Thread context */ |
| WAIT_STRUCT wait_struct; /* Event wait structure */ |
| } THDB; |
| |
| /* Thread queue entry */ |
| typedef struct _THREAD_ENTRY |
| { |
| THDB *thread; |
| struct _THREAD_ENTRY *next; |
| } THREAD_ENTRY; |
| |
| /* A thread queue is a circular list; a THREAD_QUEUE is a pointer */ |
| /* to the end of the queue (i.e. where we add elements) */ |
| typedef THREAD_ENTRY *THREAD_QUEUE; |
| |
| /* THDB <-> Thread id conversion macros */ |
| #define THREAD_OBFUSCATOR ((DWORD)0xdeadbeef) |
| #define THREAD_ID_TO_THDB(id) ((THDB *)((id) ^ THREAD_OBFUSCATOR)) |
| #define THDB_TO_THREAD_ID(thdb) ((DWORD)(thdb) ^ THREAD_OBFUSCATOR) |
| |
| #ifdef __i386__ |
| /* On the i386, the current thread is in the %fs register */ |
| # define SET_CUR_THREAD(thdb) SET_FS((thdb)->teb_sel) |
| #else |
| extern THDB *pCurrentThread; |
| # define SET_CUR_THREAD(thdb) (pCurrentThread = (thdb)) |
| #endif /* __i386__ */ |
| |
| |
| /* scheduler/thread.c */ |
| extern THDB *THREAD_Create( struct _PDB32 *pdb, DWORD stack_size, |
| LPTHREAD_START_ROUTINE start_addr, LPVOID param ); |
| extern THDB *THREAD_Current(void); |
| extern void THREAD_AddQueue( THREAD_QUEUE *queue, THDB *thread ); |
| extern void THREAD_RemoveQueue( THREAD_QUEUE *queue, THDB *thread ); |
| |
| /* scheduler/event.c */ |
| extern void EVENT_Set( K32OBJ *obj ); |
| extern K32OBJ *EVENT_Create( BOOL32 manual_reset, BOOL32 initial_state ); |
| |
| /* scheduler/mutex.c */ |
| extern void MUTEX_Abandon( K32OBJ *obj ); |
| |
| /* scheduler/synchro.c */ |
| extern void SYNC_WaitForCondition( WAIT_STRUCT *wait, DWORD timeout ); |
| extern void SYNC_WakeUp( THREAD_QUEUE *queue, DWORD max ); |
| |
| /* scheduler/sysdeps.c */ |
| extern int SYSDEPS_SpawnThread( THDB *thread ); |
| extern void SYSDEPS_ExitThread(void); |
| extern TEB * WINAPI NtCurrentTeb(void); |
| |
| #endif /* __WINE_THREAD_H */ |