4 * Copyright 1996 Alexandre Julliard
11 #include <sys/types.h>
12 #ifdef HAVE_SYS_MMAN_H
16 #include "wine/winbase16.h"
24 #include "selectors.h"
28 #include "stackframe.h"
29 #include "builtin16.h"
30 #include "debugtools.h"
34 DEFAULT_DEBUG_CHANNEL(thread)
36 /* TEB of the initial thread */
37 static TEB initial_teb;
39 /* Global thread list (FIXME: not thread-safe) */
40 TEB *THREAD_First = &initial_teb;
42 /***********************************************************************
45 BOOL THREAD_IsWin16( TEB *teb )
47 return !teb || !(teb->tibflags & TEBF_WIN32);
50 /***********************************************************************
53 * Convert a thread id to a TEB, making sure it is valid.
55 TEB *THREAD_IdToTEB( DWORD id )
57 TEB *teb = THREAD_First;
59 if (!id) return NtCurrentTeb();
62 if ((DWORD)teb->tid == id) return teb;
65 /* Allow task handles to be used; convert to main thread */
68 TDB *pTask = (TDB *)GlobalLock16( id );
69 if (pTask) return pTask->teb;
71 SetLastError( ERROR_INVALID_PARAMETER );
76 /***********************************************************************
79 * Initialization of a newly created TEB.
81 static BOOL THREAD_InitTEB( TEB *teb, DWORD stack_size, BOOL alloc_stack16,
82 LPSECURITY_ATTRIBUTES sa )
86 /* Allocate the stack */
89 * If stacksize smaller than 1 MB, allocate 1MB
90 * (one program wanted only 10 kB, which is recommendable, but some WINE
91 * functions, noteably in the files subdir, push HUGE structures and
92 * arrays on the stack. They probably shouldn't.)
93 * If stacksize larger than 16 MB, warn the user. (We could shrink the stack
94 * but this could give more or less unexplainable crashes.)
96 if (stack_size<1024*1024)
97 stack_size = 1024 * 1024;
98 if (stack_size >= 16*1024*1024)
99 WARN("Thread stack size is %ld MB.\n",stack_size/1024/1024);
100 teb->stack_base = VirtualAlloc(NULL, stack_size + SIGNAL_STACK_SIZE +
101 (alloc_stack16 ? 0x10000 : 0),
102 MEM_COMMIT, PAGE_EXECUTE_READWRITE );
103 if (!teb->stack_base) goto error;
104 /* Set a guard page at the bottom of the stack */
105 VirtualProtect( teb->stack_base, 1, PAGE_EXECUTE_READWRITE | PAGE_GUARD, &old_prot );
106 teb->stack_top = (char *)teb->stack_base + stack_size;
107 teb->stack_low = teb->stack_base;
108 teb->signal_stack = teb->stack_top; /* start of signal stack */
110 /* Allocate the 16-bit stack selector */
114 teb->stack_sel = SELECTOR_AllocBlock( teb->stack_top, 0x10000, SEGMENT_DATA,
116 if (!teb->stack_sel) goto error;
117 teb->cur_stack = PTR_SEG_OFF_TO_SEGPTR( teb->stack_sel,
118 0x10000 - sizeof(STACK16FRAME) );
119 teb->signal_stack = (char *)teb->signal_stack + 0x10000;
122 /* StaticUnicodeString */
124 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
125 teb->StaticUnicodeString.Buffer = (PWSTR)teb->StaticUnicodeBuffer;
130 if (teb->stack_sel) SELECTOR_FreeBlock( teb->stack_sel, 1 );
131 if (teb->stack_base) VirtualFree( teb->stack_base, 0, MEM_RELEASE );
136 /***********************************************************************
139 * Free data structures associated with a thread.
140 * Must be called from the context of another thread.
142 void CALLBACK THREAD_FreeTEB( ULONG_PTR arg )
144 TEB *teb = (TEB *)arg;
145 TEB **pptr = &THREAD_First;
147 TRACE("(%p) called\n", teb );
148 SERVICE_Delete( teb->cleanup );
150 PROCESS_CallUserSignalProc( USIG_THREAD_EXIT, (DWORD)teb->tid, 0 );
152 while (*pptr && (*pptr != teb)) pptr = &(*pptr)->next;
153 if (*pptr) *pptr = teb->next;
155 /* Free the associated memory */
157 if (teb->stack_sel) SELECTOR_FreeBlock( teb->stack_sel, 1 );
158 SELECTOR_FreeBlock( teb->teb_sel, 1 );
159 close( teb->socket );
160 if (teb->buffer) munmap( teb->buffer, teb->buffer_size );
161 if (teb->debug_info) HeapFree( GetProcessHeap(), 0, teb->debug_info );
162 VirtualFree( teb->stack_base, 0, MEM_RELEASE );
163 VirtualFree( teb, 0, MEM_FREE );
167 /***********************************************************************
168 * THREAD_CreateInitialThread
170 * Create the initial thread.
172 TEB *THREAD_CreateInitialThread( PDB *pdb, int server_fd )
174 initial_teb.except = (void *)-1;
175 initial_teb.self = &initial_teb;
176 initial_teb.tibflags = (pdb->flags & PDB32_WIN16_PROC)? 0 : TEBF_WIN32;
177 initial_teb.tls_ptr = initial_teb.tls_array;
178 initial_teb.process = pdb;
179 initial_teb.exit_code = STILL_ACTIVE;
180 initial_teb.socket = server_fd;
182 /* Allocate the TEB selector (%fs register) */
184 if (!(initial_teb.teb_sel = SELECTOR_AllocBlock( &initial_teb, 0x1000,
185 SEGMENT_DATA, TRUE, FALSE )))
187 MESSAGE("Could not allocate fs register for initial thread\n" );
190 SYSDEPS_SetCurThread( &initial_teb );
192 /* Now proceed with normal initialization */
194 if (CLIENT_InitThread()) return NULL;
195 if (!THREAD_InitTEB( &initial_teb, 0, TRUE, NULL )) return NULL;
200 /***********************************************************************
204 * Native NT dlls are using the space left on the allocated page
205 * the first allocated TEB on NT is at 0x7ffde000, since we can't
206 * allocate in this area and don't support a granularity of 4kb
207 * yet we leave it to VirtualAlloc to choose an address.
209 TEB *THREAD_Create( PDB *pdb, int fd, DWORD flags, DWORD stack_size, BOOL alloc_stack16,
210 LPSECURITY_ATTRIBUTES sa, int *server_handle )
212 struct new_thread_request *req = get_req_buffer();
213 HANDLE cleanup_object;
215 TEB *teb = VirtualAlloc(0, 0x1000, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
216 if (!teb) return NULL;
217 teb->except = (void *)-1;
218 teb->htask16 = pdb->task;
220 teb->tibflags = (pdb->flags & PDB32_WIN16_PROC)? 0 : TEBF_WIN32;
221 teb->tls_ptr = teb->tls_array;
223 teb->exit_code = STILL_ACTIVE;
226 /* Allocate the TEB selector (%fs register) */
229 teb->teb_sel = SELECTOR_AllocBlock( teb, 0x1000, SEGMENT_DATA, TRUE, FALSE );
230 if (!teb->teb_sel) goto error;
232 /* Create the thread on the server side */
234 if (teb->socket == -1)
236 req->suspend = ((flags & CREATE_SUSPENDED) != 0);
237 req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
238 if (server_call_fd( REQ_NEW_THREAD, -1, &teb->socket )) goto error;
240 *server_handle = req->handle;
241 fcntl( teb->socket, F_SETFD, 1 ); /* set close on exec flag */
244 /* Do the rest of the initialization */
246 if (!THREAD_InitTEB( teb, stack_size, alloc_stack16, sa )) goto error;
247 teb->next = THREAD_First;
250 /* Install cleanup handler */
251 if ( !DuplicateHandle( GetCurrentProcess(), *server_handle,
252 GetCurrentProcess(), &cleanup_object,
253 0, FALSE, DUPLICATE_SAME_ACCESS ) ) goto error;
254 teb->cleanup = SERVICE_AddObject( cleanup_object, THREAD_FreeTEB, (ULONG_PTR)teb );
256 TRACE("(%p) succeeded\n", teb);
260 if (*server_handle != -1) CloseHandle( *server_handle );
261 if (teb->teb_sel) SELECTOR_FreeBlock( teb->teb_sel, 1 );
262 if (teb->socket != -1) close( teb->socket );
263 VirtualFree( teb, 0, MEM_FREE );
268 /***********************************************************************
271 * Start execution of a newly created thread. Does not return.
273 static void THREAD_Start(void)
275 LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)NtCurrentTeb()->entry_point;
276 PROCESS_CallUserSignalProc( USIG_THREAD_INIT, (DWORD)NtCurrentTeb()->tid, 0 );
278 MODULE_DllThreadAttach( NULL );
279 ExitThread( func( NtCurrentTeb()->entry_arg ) );
283 /***********************************************************************
284 * CreateThread (KERNEL32.63)
286 HANDLE WINAPI CreateThread( SECURITY_ATTRIBUTES *sa, DWORD stack,
287 LPTHREAD_START_ROUTINE start, LPVOID param,
288 DWORD flags, LPDWORD id )
291 TEB *teb = THREAD_Create( PROCESS_Current(), -1, flags, stack, TRUE, sa, &handle );
293 teb->tibflags |= TEBF_WIN32;
294 teb->entry_point = start;
295 teb->entry_arg = param;
296 teb->startup = THREAD_Start;
297 if (SYSDEPS_SpawnThread( teb ) == -1)
299 CloseHandle( handle );
302 if (id) *id = (DWORD)teb->tid;
306 /***********************************************************************
307 * CreateThread16 (KERNEL.441)
309 static DWORD CALLBACK THREAD_StartThread16( LPVOID threadArgs )
311 FARPROC16 start = ((FARPROC16 *)threadArgs)[0];
312 DWORD param = ((DWORD *)threadArgs)[1];
313 HeapFree( GetProcessHeap(), 0, threadArgs );
315 ((LPDWORD)CURRENT_STACK16)[-1] = param;
316 return CallTo16Long( start, sizeof(DWORD) );
318 HANDLE WINAPI CreateThread16( SECURITY_ATTRIBUTES *sa, DWORD stack,
319 FARPROC16 start, SEGPTR param,
320 DWORD flags, LPDWORD id )
322 DWORD *threadArgs = HeapAlloc( GetProcessHeap(), 0, 2*sizeof(DWORD) );
323 if (!threadArgs) return INVALID_HANDLE_VALUE;
324 threadArgs[0] = (DWORD)start;
325 threadArgs[1] = (DWORD)param;
327 return CreateThread( sa, stack, THREAD_StartThread16, threadArgs, flags, id );
331 /***********************************************************************
332 * ExitThread [KERNEL32.215] Ends a thread
337 void WINAPI ExitThread( DWORD code ) /* [in] Exit code for this thread */
339 MODULE_DllThreadDetach( NULL );
340 TerminateThread( GetCurrentThread(), code );
344 /***********************************************************************
345 * GetCurrentThread [KERNEL32.200] Gets pseudohandle for current thread
348 * Pseudohandle for the current thread
350 HANDLE WINAPI GetCurrentThread(void)
352 return CURRENT_THREAD_PSEUDOHANDLE;
356 /**********************************************************************
357 * SetLastErrorEx [USER32.485] Sets the last-error code.
362 void WINAPI SetLastErrorEx(
363 DWORD error, /* [in] Per-thread error code */
364 DWORD type) /* [in] Error type */
366 TRACE("(0x%08lx, 0x%08lx)\n", error,type);
373 /* Fall through for now */
375 FIXME("(error=%08lx, type=%08lx): Unhandled type\n", error,type);
378 SetLastError( error );
382 /**********************************************************************
383 * TlsAlloc [KERNEL32.530] Allocates a TLS index.
385 * Allocates a thread local storage index
389 * Failure: 0xFFFFFFFF
391 DWORD WINAPI TlsAlloc( void )
393 PDB *process = PROCESS_Current();
394 DWORD i, mask, ret = 0;
395 DWORD *bits = process->tls_bits;
396 EnterCriticalSection( &process->crit_section );
397 if (*bits == 0xffffffff)
401 if (*bits == 0xffffffff)
403 LeaveCriticalSection( &process->crit_section );
404 SetLastError( ERROR_NO_MORE_ITEMS );
408 for (i = 0, mask = 1; i < 32; i++, mask <<= 1) if (!(*bits & mask)) break;
410 LeaveCriticalSection( &process->crit_section );
415 /**********************************************************************
416 * TlsFree [KERNEL32.531] Releases a TLS index.
418 * Releases a thread local storage index, making it available for reuse
425 DWORD index) /* [in] TLS Index to free */
427 PDB *process = PROCESS_Current();
429 DWORD *bits = process->tls_bits;
432 SetLastError( ERROR_INVALID_PARAMETER );
435 EnterCriticalSection( &process->crit_section );
436 if (index >= 32) bits++;
437 mask = (1 << (index & 31));
438 if (!(*bits & mask)) /* already free? */
440 LeaveCriticalSection( &process->crit_section );
441 SetLastError( ERROR_INVALID_PARAMETER );
445 NtCurrentTeb()->tls_array[index] = 0;
446 /* FIXME: should zero all other thread values */
447 LeaveCriticalSection( &process->crit_section );
452 /**********************************************************************
453 * TlsGetValue [KERNEL32.532] Gets value in a thread's TLS slot
456 * Success: Value stored in calling thread's TLS slot for index
457 * Failure: 0 and GetLastError returns NO_ERROR
459 LPVOID WINAPI TlsGetValue(
460 DWORD index) /* [in] TLS index to retrieve value for */
464 SetLastError( ERROR_INVALID_PARAMETER );
467 SetLastError( ERROR_SUCCESS );
468 return NtCurrentTeb()->tls_array[index];
472 /**********************************************************************
473 * TlsSetValue [KERNEL32.533] Stores a value in the thread's TLS slot.
479 BOOL WINAPI TlsSetValue(
480 DWORD index, /* [in] TLS index to set value for */
481 LPVOID value) /* [in] Value to be stored */
485 SetLastError( ERROR_INVALID_PARAMETER );
488 NtCurrentTeb()->tls_array[index] = value;
493 /***********************************************************************
494 * SetThreadContext [KERNEL32.670] Sets context of thread.
500 BOOL WINAPI SetThreadContext( HANDLE handle, /* [in] Handle to thread with context */
501 const CONTEXT *context ) /* [in] Address of context structure */
503 struct set_thread_context_request *req = get_req_buffer();
504 req->handle = handle;
505 req->flags = context->ContextFlags;
506 memcpy( &req->context, context, sizeof(*context) );
507 return !server_call( REQ_SET_THREAD_CONTEXT );
511 /***********************************************************************
512 * GetThreadContext [KERNEL32.294] Retrieves context of thread.
518 BOOL WINAPI GetThreadContext( HANDLE handle, /* [in] Handle to thread with context */
519 CONTEXT *context ) /* [out] Address of context structure */
521 struct get_thread_context_request *req = get_req_buffer();
522 req->handle = handle;
523 req->flags = context->ContextFlags;
524 memcpy( &req->context, context, sizeof(*context) );
525 if (server_call( REQ_GET_THREAD_CONTEXT )) return FALSE;
526 memcpy( context, &req->context, sizeof(*context) );
531 /**********************************************************************
532 * GetThreadPriority [KERNEL32.296] Returns priority for thread.
535 * Success: Thread's priority level.
536 * Failure: THREAD_PRIORITY_ERROR_RETURN
538 INT WINAPI GetThreadPriority(
539 HANDLE hthread) /* [in] Handle to thread */
541 INT ret = THREAD_PRIORITY_ERROR_RETURN;
542 struct get_thread_info_request *req = get_req_buffer();
543 req->handle = hthread;
544 if (!server_call( REQ_GET_THREAD_INFO )) ret = req->priority;
549 /**********************************************************************
550 * SetThreadPriority [KERNEL32.514] Sets priority for thread.
556 BOOL WINAPI SetThreadPriority(
557 HANDLE hthread, /* [in] Handle to thread */
558 INT priority) /* [in] Thread priority level */
560 struct set_thread_info_request *req = get_req_buffer();
561 req->handle = hthread;
562 req->priority = priority;
563 req->mask = SET_THREAD_INFO_PRIORITY;
564 return !server_call( REQ_SET_THREAD_INFO );
568 /**********************************************************************
569 * SetThreadAffinityMask (KERNEL32.669)
571 DWORD WINAPI SetThreadAffinityMask( HANDLE hThread, DWORD dwThreadAffinityMask )
573 struct set_thread_info_request *req = get_req_buffer();
574 req->handle = hThread;
575 req->affinity = dwThreadAffinityMask;
576 req->mask = SET_THREAD_INFO_AFFINITY;
577 if (server_call( REQ_SET_THREAD_INFO )) return 0;
578 return 1; /* FIXME: should return previous value */
582 /**********************************************************************
583 * TerminateThread [KERNEL32.685] Terminates a thread
589 BOOL WINAPI TerminateThread(
590 HANDLE handle, /* [in] Handle to thread */
591 DWORD exitcode) /* [in] Exit code for thread */
593 struct terminate_thread_request *req = get_req_buffer();
594 req->handle = handle;
595 req->exit_code = exitcode;
596 return !server_call( REQ_TERMINATE_THREAD );
600 /**********************************************************************
601 * GetExitCodeThread [KERNEL32.???] Gets termination status of thread.
607 BOOL WINAPI GetExitCodeThread(
608 HANDLE hthread, /* [in] Handle to thread */
609 LPDWORD exitcode) /* [out] Address to receive termination status */
612 struct get_thread_info_request *req = get_req_buffer();
613 req->handle = hthread;
614 if (!server_call( REQ_GET_THREAD_INFO ))
616 if (exitcode) *exitcode = req->exit_code;
623 /**********************************************************************
624 * ResumeThread [KERNEL32.587] Resumes a thread.
626 * Decrements a thread's suspend count. When count is zero, the
627 * execution of the thread is resumed.
630 * Success: Previous suspend count
631 * Failure: 0xFFFFFFFF
634 DWORD WINAPI ResumeThread(
635 HANDLE hthread) /* [in] Identifies thread to restart */
637 DWORD ret = 0xffffffff;
638 struct resume_thread_request *req = get_req_buffer();
639 req->handle = hthread;
640 if (!server_call( REQ_RESUME_THREAD )) ret = req->count;
645 /**********************************************************************
646 * SuspendThread [KERNEL32.681] Suspends a thread.
649 * Success: Previous suspend count
650 * Failure: 0xFFFFFFFF
652 DWORD WINAPI SuspendThread(
653 HANDLE hthread) /* [in] Handle to the thread */
655 DWORD ret = 0xffffffff;
656 struct suspend_thread_request *req = get_req_buffer();
657 req->handle = hthread;
658 if (!server_call( REQ_SUSPEND_THREAD )) ret = req->count;
663 /***********************************************************************
664 * QueueUserAPC (KERNEL32.566)
666 DWORD WINAPI QueueUserAPC( PAPCFUNC func, HANDLE hthread, ULONG_PTR data )
668 struct queue_apc_request *req = get_req_buffer();
669 req->handle = hthread;
671 req->param = (void *)data;
672 return !server_call( REQ_QUEUE_APC );
676 /**********************************************************************
677 * GetThreadTimes [KERNEL32.???] Obtains timing information.
680 * What are the fields where these values are stored?
686 BOOL WINAPI GetThreadTimes(
687 HANDLE thread, /* [in] Specifies the thread of interest */
688 LPFILETIME creationtime, /* [out] When the thread was created */
689 LPFILETIME exittime, /* [out] When the thread was destroyed */
690 LPFILETIME kerneltime, /* [out] Time thread spent in kernel mode */
691 LPFILETIME usertime) /* [out] Time thread spent in user mode */
693 FIXME("(0x%08x): stub\n",thread);
694 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
699 /**********************************************************************
700 * AttachThreadInput [KERNEL32.8] Attaches input of 1 thread to other
702 * Attaches the input processing mechanism of one thread to that of
710 * 1. Reset the Key State (currenly per thread key state is not maintained)
712 BOOL WINAPI AttachThreadInput(
713 DWORD idAttach, /* [in] Thread to attach */
714 DWORD idAttachTo, /* [in] Thread to attach to */
715 BOOL fAttach) /* [in] Attach or detach */
717 MESSAGEQUEUE *pSrcMsgQ = 0, *pTgtMsgQ = 0;
720 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
722 /* A thread cannot attach to itself */
723 if ( idAttach == idAttachTo )
726 /* According to the docs this method should fail if a
727 * "Journal record" hook is installed. (attaches all input queues together)
729 if ( HOOK_IsHooked( WH_JOURNALRECORD ) )
732 /* Retrieve message queues corresponding to the thread id's */
733 pTgtMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetThreadQueue16( idAttach ) );
734 pSrcMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetThreadQueue16( idAttachTo ) );
736 /* Ensure we have message queues and that Src and Tgt threads
737 * are not system threads.
739 if ( !pSrcMsgQ || !pTgtMsgQ || !pSrcMsgQ->pQData || !pTgtMsgQ->pQData )
742 if (fAttach) /* Attach threads */
744 /* Only attach if currently detached */
745 if ( pTgtMsgQ->pQData != pSrcMsgQ->pQData )
747 /* First release the target threads perQData */
748 PERQDATA_Release( pTgtMsgQ->pQData );
750 /* Share a reference to the source threads perQDATA */
751 PERQDATA_Addref( pSrcMsgQ->pQData );
752 pTgtMsgQ->pQData = pSrcMsgQ->pQData;
755 else /* Detach threads */
757 /* Only detach if currently attached */
758 if ( pTgtMsgQ->pQData == pSrcMsgQ->pQData )
760 /* First release the target threads perQData */
761 PERQDATA_Release( pTgtMsgQ->pQData );
763 /* Give the target thread its own private perQDATA once more */
764 pTgtMsgQ->pQData = PERQDATA_CreateInstance();
768 /* TODO: Reset the Key State */
770 bRet = 1; /* Success */
774 /* Unlock the queues before returning */
776 QUEUE_Unlock( pSrcMsgQ );
778 QUEUE_Unlock( pTgtMsgQ );
783 /**********************************************************************
784 * VWin32_BoostThreadGroup [KERNEL.535]
786 VOID WINAPI VWin32_BoostThreadGroup( DWORD threadId, INT boost )
788 FIXME("(0x%08lx,%d): stub\n", threadId, boost);
791 /**********************************************************************
792 * VWin32_BoostThreadStatic [KERNEL.536]
794 VOID WINAPI VWin32_BoostThreadStatic( DWORD threadId, INT boost )
796 FIXME("(0x%08lx,%d): stub\n", threadId, boost);
799 /**********************************************************************
800 * SetThreadLocale [KERNEL32.671] Sets the calling threads current locale.
807 * Implemented in NT only (3.1 and above according to MS
809 BOOL WINAPI SetThreadLocale(
810 LCID lcid) /* [in] Locale identifier */
812 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
819 /* void WINAPI SetLastError( DWORD error ); */
820 __ASM_GLOBAL_FUNC( SetLastError,
821 "movl 4(%esp),%eax\n\t"
826 /* DWORD WINAPI GetLastError(void); */
827 __ASM_GLOBAL_FUNC( GetLastError, ".byte 0x64\n\tmovl 0x60,%eax\n\tret" );
829 /* DWORD WINAPI GetCurrentThreadId(void) */
830 __ASM_GLOBAL_FUNC( GetCurrentThreadId, ".byte 0x64\n\tmovl 0x24,%eax\n\tret" );
834 /**********************************************************************
835 * SetLastError [KERNEL.147] [KERNEL32.497] Sets the last-error code.
837 void WINAPI SetLastError( DWORD error ) /* [in] Per-thread error code */
839 NtCurrentTeb()->last_error = error;
842 /**********************************************************************
843 * GetLastError [KERNEL.148] [KERNEL32.227] Returns last-error code.
845 DWORD WINAPI GetLastError(void)
847 return NtCurrentTeb()->last_error;
850 /***********************************************************************
851 * GetCurrentThreadId [KERNEL32.201] Returns thread identifier.
853 DWORD WINAPI GetCurrentThreadId(void)
855 return (DWORD)NtCurrentTeb()->tid;
858 #endif /* __i386__ */