| /* | |
| * Thread definitions | |
| * | |
| * Copyright 1996 Alexandre Julliard | |
| */ | |
| #ifndef __WINE_THREAD_H | |
| #define __WINE_THREAD_H | |
| #include "config.h" | |
| #include "k32obj.h" | |
| #include "windows.h" | |
| #include "winbase.h" | |
| #include "winnt.h" | |
| #include "selectors.h" /* for SET_FS */ | |
| #ifdef linux | |
| #define HAVE_CLONE_SYSCALL | |
| #endif | |
| /* This is what we will use on *BSD, once threads using rfork() get | |
| * implemented: | |
| * | |
| * #if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__) | |
| * #define HAVE_RFORK | |
| * #endif | |
| */ | |
| #if (defined(HAVE_CLONE_SYSCALL) || defined(HAVE_RFORK)) && !defined(NO_REENTRANT_LIBC) | |
| #define USE_THREADS | |
| #endif | |
| struct _PDB32; | |
| /* 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 */ | |
| struct _PDB32 *process; /* 30 owning process (used by NT3.51 applets)*/ | |
| } 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 */ | |
| BOOL32 wait_msg; /* Wait for message flag */ | |
| K32OBJ *objs[MAXIMUM_WAIT_OBJECTS]; /* Object pointers */ | |
| int server[MAXIMUM_WAIT_OBJECTS]; /* Server handles */ | |
| } WAIT_STRUCT; | |
| /* 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 */ | |
| 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 cur_stack; /* 80 Current stack (was: unknown) */ | |
| DWORD unknown3[2]; /* 84 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) */ | |
| K32OBJ *mutex_list; /* 1cc List of owned mutex (was: unknown)*/ | |
| DWORD unknown5[2]; /* 1d0 Unknown */ | |
| DWORD sys_count[4]; /* 1d8 Syslevel mutex entry counters */ | |
| CRITICAL_SECTION *sys_mutex[4];/* 1e8 Syslevel mutex pointers */ | |
| DWORD unknown6[2]; /* 1f8 Unknown */ | |
| /* The following are Wine-specific fields */ | |
| CONTEXT context; /* 200 Thread context */ | |
| WAIT_STRUCT wait_struct; /* Event wait structure */ | |
| int socket; /* Socket for server communication */ | |
| unsigned int seq; /* Server sequence number */ | |
| void *server_tid; /* Server id for this thread */ | |
| } 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) | |
| /* The pseudo handle value returned by GetCurrentThread */ | |
| #define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe | |
| #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, | |
| BOOL32 alloc_stack16, | |
| int *server_thandle, int *server_phandle, | |
| LPTHREAD_START_ROUTINE start_addr, LPVOID param ); | |
| extern THDB *THREAD_Current(void); | |
| extern BOOL32 THREAD_IsWin16( THDB *thdb ); | |
| extern THDB *THREAD_IdToTHDB( DWORD id ); | |
| extern void THREAD_Start( THDB *thdb ); | |
| extern THDB *THREAD_GetPtr( HANDLE32 handle, DWORD access, int *server_handle ); | |
| extern void THREAD_AddQueue( THREAD_QUEUE *queue, THDB *thread ); | |
| extern void THREAD_RemoveQueue( THREAD_QUEUE *queue, THDB *thread ); | |
| extern DWORD THREAD_TlsAlloc( 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 ); | |
| extern void SYNC_MsgWakeUp( THDB *thdb ); | |
| extern void SYNC_SetupSignals(void); | |
| extern DWORD SYNC_DoWait( DWORD count, const HANDLE32 *handles, | |
| BOOL32 wait_all, DWORD timeout, | |
| BOOL32 alertable, BOOL32 wait_msg ); | |
| /* scheduler/sysdeps.c */ | |
| extern int SYSDEPS_SpawnThread( THDB *thread ); | |
| extern void SYSDEPS_ExitThread(void); | |
| extern TEB * WINAPI NtCurrentTeb(void); | |
| #endif /* __WINE_THREAD_H */ |