| /* |
| * Thread definitions |
| * |
| * Copyright 1996 Alexandre Julliard |
| */ |
| |
| #ifndef __WINE_THREAD_H |
| #define __WINE_THREAD_H |
| |
| #include "config.h" |
| #include "winbase.h" |
| #include "syslevel.h" |
| #include "selectors.h" /* for SET_FS */ |
| #include "ntdef.h" /* UNICODE_STRING */ |
| |
| struct _PDB; |
| struct __EXCEPTION_FRAME; |
| |
| /* Thread exception block |
| |
| flags in the comment: |
| 1-- win95 field |
| d-- win95 debug version |
| -2- nt field |
| --3 wine special |
| --n wine unused |
| !-- or -!- likely or observed collision |
| more problems (collected from mailing list): |
| psapi.dll 0x10/0x30 (expects nt fields) |
| ie4 0x40 |
| PESHiELD 0x23/0x30 (win95) |
| */ |
| typedef struct _TEB |
| { |
| /* start of NT_TIB */ |
| struct __EXCEPTION_FRAME *except; /* 12- 00 Head of exception handling chain */ |
| void *stack_top; /* 12- 04 Top of thread stack */ |
| void *stack_low; /* 12- 08 Stack low-water mark */ |
| HTASK16 htask16; /* 1-- 0c Win16 task handle */ |
| WORD stack_sel; /* 1-- 0e 16-bit stack selector */ |
| DWORD selman_list; /* 1-n 10 Selector manager list */ |
| DWORD user_ptr; /* 12n 14 User pointer */ |
| /* end of NT_TIB */ |
| struct _TEB *self; /* 12- 18 Pointer to this structure */ |
| WORD tibflags; /* 1!n 1c Flags (NT: EnvironmentPointer) */ |
| WORD mutex_count; /* 1-n 1e Win16 mutex count */ |
| DWORD debug_context; /* 1!n 20 Debug context (NT: PVOID UniqueProcess) */ |
| void *tid; /* -2- 24 Thread id */ |
| HQUEUE16 queue; /* 1!- 28 Message queue (NT: DWORD ActiveRpcHandle)*/ |
| WORD pad1; /* --n 2a */ |
| LPVOID *tls_ptr; /* 1-- 2c Pointer to TLS array */ |
| struct _PDB *process; /* 12- 30 owning process (win95: PDB; nt: NTPEB !!) */ |
| DWORD flags; /* 1-n 34 */ |
| DWORD exit_code; /* 1-- 38 Termination status */ |
| WORD teb_sel; /* 1-- 3c Selector to TEB */ |
| WORD emu_sel; /* 1-n 3e 80387 emulator selector */ |
| DWORD unknown1; /* --n 40 */ |
| DWORD unknown2; /* --n 44 */ |
| void (*startup)(void); /* --3 48 Thread startup routine */ |
| int thread_errno; /* --3 4c Per-thread errno (was: ring0_thread) */ |
| int thread_h_errno; /* --3 50 Per-thread h_errno (was: ptr to tdbx structure) */ |
| void *stack_base; /* 1-- 54 Base of the stack */ |
| void *signal_stack; /* --3 58 Signal stack (was: exit_stack) */ |
| void *emu_data; /* --n 5c Related to 80387 emulation */ |
| DWORD last_error; /* 1-- 60 Last error code */ |
| HANDLE event; /* --3 64 Thread event (was: debugger context block) */ |
| DWORD debug_thread; /* 1-n 68 Thread debugging this one (?) */ |
| void *pcontext; /* 1-n 6c Thread register context */ |
| DWORD cur_stack; /* --3 70 Current stack (was: unknown) */ |
| DWORD ThunkConnect; /* 1-n 74 */ |
| DWORD NegStackBase; /* 1-n 78 */ |
| WORD current_ss; /* 1-n 7c Another 16-bit stack selector */ |
| WORD pad2; /* --n 7e */ |
| void *ss_table; /* --n 80 Pointer to info about 16-bit stack */ |
| WORD thunk_ss; /* --n 84 Yet another 16-bit stack selector */ |
| WORD pad3; /* --n 86 */ |
| DWORD pad4[15]; /* --n 88 */ |
| ULONG CurrentLocale; /* -2n C4 */ |
| DWORD pad5[48]; /* --n C8 */ |
| DWORD delta_priority; /* 1-n 188 Priority delta */ |
| DWORD unknown4[7]; /* d-n 18c Unknown */ |
| void *create_data; /* d-n 1a8 Pointer to creation structure */ |
| DWORD suspend_count; /* d-n 1ac SuspendThread() counter */ |
| void *entry_point; /* --3 1b0 Thread entry point (was: unknown) */ |
| void *entry_arg; /* --3 1b4 Entry point arg (was: unknown) */ |
| DWORD unknown5[4]; /* --n 1b8 Unknown */ |
| DWORD sys_count[4]; /* --3 1c8 Syslevel mutex entry counters */ |
| SYSLEVEL *sys_mutex[4]; /* --3 1d8 Syslevel mutex pointers */ |
| DWORD unknown6[5]; /* --n 1e8 Unknown */ |
| |
| /* The following are Wine-specific fields (NT: GDI stuff) */ |
| struct _TEB *next; /* --3 1fc Global thread list */ |
| DWORD cleanup; /* --3 200 Cleanup service handle */ |
| int socket; /* --3 204 Socket for server communication */ |
| void *buffer; /* --3 208 Buffer shared with server */ |
| int buffer_size; /* --3 20c Size of server buffer */ |
| void *debug_info; /* --3 210 Info for debugstr functions */ |
| /* here is plenty space for wine specific fields (don't forget to change pad6!!) */ |
| |
| /* the following are nt specific fields */ |
| DWORD pad6[633]; /* --n 214 */ |
| UNICODE_STRING StaticUnicodeString; /* -2- bf8 used by advapi32 */ |
| USHORT StaticUnicodeBuffer[261]; /* -2- c00 used by advapi32 */ |
| DWORD pad7; /* --n e0c */ |
| LPVOID tls_array[64]; /* -2- e10 Thread local storage */ |
| DWORD pad8[3]; /* --n f10 */ |
| PVOID ReservedForNtRpc; /* -2- f1c used by rpcrt4 */ |
| DWORD pad9[24]; /* --n f20 */ |
| PVOID ReservedForOle; /* -2- f80 used by ole32 */ |
| } TEB; |
| |
| /* Thread exception flags */ |
| #define TEBF_WIN32 0x0001 |
| #define TEBF_TRAP 0x0002 |
| |
| /* The pseudo handle value returned by GetCurrentThread */ |
| #define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe |
| |
| /* The per-thread signal stack size */ |
| #define SIGNAL_STACK_SIZE 16384 |
| |
| |
| /* scheduler/thread.c */ |
| extern TEB *THREAD_CreateInitialThread( struct _PDB *pdb, int server_fd ); |
| extern TEB *THREAD_Create( struct _PDB *pdb, int fd, DWORD flags, |
| DWORD stack_size, BOOL alloc_stack16, |
| LPSECURITY_ATTRIBUTES sa, int *server_handle ); |
| extern BOOL THREAD_IsWin16( TEB *thdb ); |
| extern TEB *THREAD_IdToTEB( DWORD id ); |
| |
| /* scheduler/sysdeps.c */ |
| extern int SYSDEPS_SpawnThread( TEB *teb ); |
| extern void SYSDEPS_SetCurThread( TEB *teb ); |
| extern void SYSDEPS_ExitThread(void); |
| |
| #define SetLastError(err) ((void)(NtCurrentTeb()->last_error = (err))) |
| #define GetCurrentThreadId() ((DWORD)NtCurrentTeb()->tid) |
| |
| #endif /* __WINE_THREAD_H */ |
