4 * Copyright 1996 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
27 #include <sys/types.h>
28 #ifdef HAVE_SYS_TIMES_H
29 #include <sys/times.h>
42 #include "wine/winbase16.h"
43 #include "wine/library.h"
44 #include "wine/server.h"
45 #include "wine/debug.h"
47 WINE_DEFAULT_DEBUG_CHANNEL(thread);
48 WINE_DECLARE_DEBUG_CHANNEL(relay);
51 /* TEB of the initial thread */
52 static TEB initial_teb;
53 extern struct _PDB current_process;
56 /***********************************************************************
59 * Initialization of a newly created TEB.
61 static BOOL THREAD_InitTEB( TEB *teb )
63 teb->Tib.ExceptionList = (void *)~0UL;
64 teb->Tib.StackBase = (void *)~0UL;
65 teb->Tib.Self = &teb->Tib;
66 teb->tibflags = TEBF_WIN32;
67 teb->exit_code = STILL_ACTIVE;
72 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
73 teb->StaticUnicodeString.Buffer = (PWSTR)teb->StaticUnicodeBuffer;
74 InitializeListHead(&teb->TlsLinks);
75 teb->teb_sel = wine_ldt_alloc_fs();
76 return (teb->teb_sel != 0);
80 /***********************************************************************
83 * Allocate the stack of a thread.
85 TEB *THREAD_InitStack( TEB *teb, DWORD stack_size )
87 DWORD old_prot, total_size;
88 DWORD page_size = getpagesize();
91 /* Allocate the stack */
93 /* if size is smaller than default, get stack size from parent */
94 if (stack_size < 1024 * 1024)
97 stack_size = 1024 * 1024; /* no parent */
99 stack_size = ((char *)NtCurrentTeb()->Tib.StackBase
100 - (char *)NtCurrentTeb()->DeallocationStack
101 - SIGNAL_STACK_SIZE - 3 * page_size);
104 /* FIXME: some Wine functions use a lot of stack, so we add 64Kb here */
105 stack_size += 64 * 1024;
107 /* Memory layout in allocated block:
110 * 1 page NOACCESS guard page
111 * SIGNAL_STACK_SIZE signal stack
112 * 1 page NOACCESS guard page
113 * 1 page PAGE_GUARD guard page
114 * stack_size normal stack
115 * 1 page TEB (except for initial thread)
118 stack_size = (stack_size + (page_size - 1)) & ~(page_size - 1);
119 total_size = stack_size + SIGNAL_STACK_SIZE + 3 * page_size;
120 if (!teb) total_size += page_size;
122 if (!(base = VirtualAlloc( NULL, total_size, MEM_COMMIT, PAGE_EXECUTE_READWRITE )))
127 teb = (TEB *)((char *)base + total_size - page_size);
128 if (!THREAD_InitTEB( teb ))
130 VirtualFree( base, 0, MEM_RELEASE );
135 teb->DeallocationStack = base;
136 teb->signal_stack = (char *)base + page_size;
137 teb->Tib.StackBase = (char *)base + 3 * page_size + SIGNAL_STACK_SIZE + stack_size;
138 teb->Tib.StackLimit = base; /* note: limit is lower than base since the stack grows down */
140 /* Setup guard pages */
142 VirtualProtect( base, 1, PAGE_NOACCESS, &old_prot );
143 VirtualProtect( (char *)teb->signal_stack + SIGNAL_STACK_SIZE, 1, PAGE_NOACCESS, &old_prot );
144 VirtualProtect( (char *)teb->signal_stack + SIGNAL_STACK_SIZE + page_size, 1,
145 PAGE_EXECUTE_READWRITE | PAGE_GUARD, &old_prot );
150 /***********************************************************************
153 * Setup the initial thread.
155 * NOTES: The first allocated TEB on NT is at 0x7ffde000.
157 void THREAD_Init(void)
159 static struct debug_info info; /* debug info for initial thread */
161 if (!initial_teb.Tib.Self) /* do it only once */
163 THREAD_InitTEB( &initial_teb );
164 assert( initial_teb.teb_sel );
165 info.str_pos = info.strings;
166 info.out_pos = info.output;
167 initial_teb.debug_info = &info;
168 initial_teb.Peb = (PEB *)¤t_process; /* FIXME */
169 SYSDEPS_SetCurThread( &initial_teb );
173 DECL_GLOBAL_CONSTRUCTOR(thread_init) { THREAD_Init(); }
176 /***********************************************************************
179 * Start execution of a newly created thread. Does not return.
181 static void THREAD_Start( TEB *teb )
183 LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)teb->entry_point;
184 struct debug_info info;
186 info.str_pos = info.strings;
187 info.out_pos = info.output;
188 teb->debug_info = &info;
190 SYSDEPS_SetCurThread( teb );
192 wine_server_init_thread();
195 DPRINTF("%04lx:Starting thread (entryproc=%p)\n", GetCurrentThreadId(), func );
199 MODULE_DllThreadAttach( NULL );
200 ExitThread( func( NtCurrentTeb()->entry_arg ) );
202 __EXCEPT(UnhandledExceptionFilter)
204 TerminateThread( GetCurrentThread(), GetExceptionCode() );
210 /***********************************************************************
211 * CreateThread (KERNEL32.@)
213 HANDLE WINAPI CreateThread( SECURITY_ATTRIBUTES *sa, SIZE_T stack,
214 LPTHREAD_START_ROUTINE start, LPVOID param,
215 DWORD flags, LPDWORD id )
222 if (pipe( request_pipe ) == -1)
224 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
227 fcntl( request_pipe[1], F_SETFD, 1 ); /* set close on exec flag */
228 wine_server_send_fd( request_pipe[0] );
230 SERVER_START_REQ( new_thread )
232 req->suspend = ((flags & CREATE_SUSPENDED) != 0);
233 req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
234 req->request_fd = request_pipe[0];
235 if (!wine_server_call_err( req ))
237 handle = reply->handle;
240 close( request_pipe[0] );
244 if (!handle || !(teb = THREAD_InitStack( NULL, stack )))
246 close( request_pipe[1] );
250 teb->Peb = NtCurrentTeb()->Peb;
251 teb->ClientId.UniqueThread = (HANDLE)tid;
252 teb->request_fd = request_pipe[1];
253 teb->entry_point = start;
254 teb->entry_arg = param;
255 teb->htask16 = GetCurrentTask();
257 InsertHeadList( &NtCurrentTeb()->TlsLinks, &teb->TlsLinks );
261 if (SYSDEPS_SpawnThread( THREAD_Start, teb ) == -1)
263 CloseHandle( handle );
264 close( request_pipe[1] );
266 RemoveEntryList( &teb->TlsLinks );
268 wine_ldt_free_fs( teb->teb_sel );
269 VirtualFree( teb->DeallocationStack, 0, MEM_RELEASE );
276 /***********************************************************************
277 * OpenThread [KERNEL32.@] Retrieves a handle to a thread from its thread id
279 HANDLE WINAPI OpenThread( DWORD dwDesiredAccess, BOOL bInheritHandle, DWORD dwThreadId )
282 SERVER_START_REQ( open_thread )
284 req->tid = dwThreadId;
285 req->access = dwDesiredAccess;
286 req->inherit = bInheritHandle;
287 if (!wine_server_call_err( req )) ret = reply->handle;
294 /***********************************************************************
295 * ExitThread [KERNEL32.@] Ends a thread
300 void WINAPI ExitThread( DWORD code ) /* [in] Exit code for this thread */
303 SERVER_START_REQ( terminate_thread )
305 /* send the exit code to the server */
306 req->handle = GetCurrentThread();
307 req->exit_code = code;
308 wine_server_call( req );
315 LdrShutdownProcess();
322 RemoveEntryList( &NtCurrentTeb()->TlsLinks );
324 SYSDEPS_ExitThread( code );
329 /**********************************************************************
330 * TerminateThread [KERNEL32.@] Terminates a thread
336 BOOL WINAPI TerminateThread( HANDLE handle, /* [in] Handle to thread */
337 DWORD exit_code) /* [in] Exit code for thread */
339 NTSTATUS status = NtTerminateThread( handle, exit_code );
340 if (status) SetLastError( RtlNtStatusToDosError(status) );
345 /***********************************************************************
346 * FreeLibraryAndExitThread (KERNEL32.@)
348 void WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
350 FreeLibrary(hLibModule);
351 ExitThread(dwExitCode);
355 /**********************************************************************
356 * GetExitCodeThread (KERNEL32.@)
358 * Gets termination status of thread.
364 BOOL WINAPI GetExitCodeThread(
365 HANDLE hthread, /* [in] Handle to thread */
366 LPDWORD exitcode) /* [out] Address to receive termination status */
368 THREAD_BASIC_INFORMATION info;
369 NTSTATUS status = NtQueryInformationThread( hthread, ThreadBasicInformation,
370 &info, sizeof(info), NULL );
374 SetLastError( RtlNtStatusToDosError(status) );
377 if (exitcode) *exitcode = info.ExitStatus;
382 /***********************************************************************
383 * SetThreadContext [KERNEL32.@] Sets context of thread.
389 BOOL WINAPI SetThreadContext( HANDLE handle, /* [in] Handle to thread with context */
390 const CONTEXT *context ) /* [in] Address of context structure */
392 NTSTATUS status = NtSetContextThread( handle, context );
393 if (status) SetLastError( RtlNtStatusToDosError(status) );
398 /***********************************************************************
399 * GetThreadContext [KERNEL32.@] Retrieves context of thread.
405 BOOL WINAPI GetThreadContext( HANDLE handle, /* [in] Handle to thread with context */
406 CONTEXT *context ) /* [out] Address of context structure */
408 NTSTATUS status = NtGetContextThread( handle, context );
409 if (status) SetLastError( RtlNtStatusToDosError(status) );
414 /**********************************************************************
415 * SuspendThread [KERNEL32.@] Suspends a thread.
418 * Success: Previous suspend count
419 * Failure: 0xFFFFFFFF
421 DWORD WINAPI SuspendThread( HANDLE hthread ) /* [in] Handle to the thread */
424 NTSTATUS status = NtSuspendThread( hthread, &ret );
429 SetLastError( RtlNtStatusToDosError(status) );
435 /**********************************************************************
436 * ResumeThread [KERNEL32.@] Resumes a thread.
438 * Decrements a thread's suspend count. When count is zero, the
439 * execution of the thread is resumed.
442 * Success: Previous suspend count
443 * Failure: 0xFFFFFFFF
446 DWORD WINAPI ResumeThread( HANDLE hthread ) /* [in] Identifies thread to restart */
449 NTSTATUS status = NtResumeThread( hthread, &ret );
454 SetLastError( RtlNtStatusToDosError(status) );
460 /**********************************************************************
461 * GetThreadPriority [KERNEL32.@] Returns priority for thread.
464 * Success: Thread's priority level.
465 * Failure: THREAD_PRIORITY_ERROR_RETURN
467 INT WINAPI GetThreadPriority(
468 HANDLE hthread) /* [in] Handle to thread */
470 THREAD_BASIC_INFORMATION info;
471 NTSTATUS status = NtQueryInformationThread( hthread, ThreadBasicInformation,
472 &info, sizeof(info), NULL );
476 SetLastError( RtlNtStatusToDosError(status) );
477 return THREAD_PRIORITY_ERROR_RETURN;
479 return info.Priority;
483 /**********************************************************************
484 * SetThreadPriority [KERNEL32.@] Sets priority for thread.
490 BOOL WINAPI SetThreadPriority(
491 HANDLE hthread, /* [in] Handle to thread */
492 INT priority) /* [in] Thread priority level */
495 SERVER_START_REQ( set_thread_info )
497 req->handle = hthread;
498 req->priority = priority;
499 req->mask = SET_THREAD_INFO_PRIORITY;
500 ret = !wine_server_call_err( req );
507 /**********************************************************************
508 * GetThreadPriorityBoost [KERNEL32.@] Returns priority boost for thread.
510 * Always reports that priority boost is disabled.
516 BOOL WINAPI GetThreadPriorityBoost(
517 HANDLE hthread, /* [in] Handle to thread */
518 PBOOL pstate) /* [out] pointer to var that receives the boost state */
520 if (pstate) *pstate = FALSE;
525 /**********************************************************************
526 * SetThreadPriorityBoost [KERNEL32.@] Sets priority boost for thread.
528 * Priority boost is not implemented. Thsi function always returns
529 * FALSE and sets last error to ERROR_CALL_NOT_IMPLEMENTED
532 * Always returns FALSE to indicate a failure
534 BOOL WINAPI SetThreadPriorityBoost(
535 HANDLE hthread, /* [in] Handle to thread */
536 BOOL disable) /* [in] TRUE to disable priority boost */
538 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
543 /**********************************************************************
544 * SetThreadAffinityMask (KERNEL32.@)
546 DWORD WINAPI SetThreadAffinityMask( HANDLE hThread, DWORD dwThreadAffinityMask )
549 SERVER_START_REQ( set_thread_info )
551 req->handle = hThread;
552 req->affinity = dwThreadAffinityMask;
553 req->mask = SET_THREAD_INFO_AFFINITY;
554 ret = !wine_server_call_err( req );
555 /* FIXME: should return previous value */
562 /**********************************************************************
563 * SetThreadIdealProcessor [KERNEL32.@] Obtains timing information.
566 * Success: Value of last call to SetThreadIdealProcessor
569 DWORD WINAPI SetThreadIdealProcessor(
570 HANDLE hThread, /* [in] Specifies the thread of interest */
571 DWORD dwIdealProcessor) /* [in] Specifies the new preferred processor */
573 FIXME("(%p): stub\n",hThread);
574 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
579 /* callback for QueueUserAPC */
580 static void CALLBACK call_user_apc( ULONG_PTR arg1, ULONG_PTR arg2, ULONG_PTR arg3 )
582 PAPCFUNC func = (PAPCFUNC)arg1;
586 /***********************************************************************
587 * QueueUserAPC (KERNEL32.@)
589 DWORD WINAPI QueueUserAPC( PAPCFUNC func, HANDLE hthread, ULONG_PTR data )
591 NTSTATUS status = NtQueueApcThread( hthread, call_user_apc, (ULONG_PTR)func, data, 0 );
593 if (status) SetLastError( RtlNtStatusToDosError(status) );
598 /**********************************************************************
599 * GetThreadTimes [KERNEL32.@] Obtains timing information.
605 BOOL WINAPI GetThreadTimes(
606 HANDLE thread, /* [in] Specifies the thread of interest */
607 LPFILETIME creationtime, /* [out] When the thread was created */
608 LPFILETIME exittime, /* [out] When the thread was destroyed */
609 LPFILETIME kerneltime, /* [out] Time thread spent in kernel mode */
610 LPFILETIME usertime) /* [out] Time thread spent in user mode */
614 if (creationtime || exittime)
616 /* We need to do a server call to get the creation time or exit time */
617 /* This works on any thread */
619 SERVER_START_REQ( get_thread_info )
621 req->handle = thread;
623 if ((ret = !wine_server_call_err( req )))
626 RtlSecondsSince1970ToTime( reply->creation_time, (LARGE_INTEGER*)creationtime );
628 RtlSecondsSince1970ToTime( reply->exit_time, (LARGE_INTEGER*)exittime );
633 if (ret && (kerneltime || usertime))
635 /* We call times(2) for kernel time or user time */
636 /* We can only (portably) do this for the current thread */
637 if (thread == GetCurrentThread())
641 long clocks_per_sec = sysconf(_SC_CLK_TCK);
646 time = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
647 kerneltime->dwHighDateTime = time >> 32;
648 kerneltime->dwLowDateTime = (DWORD)time;
652 time = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
653 usertime->dwHighDateTime = time >> 32;
654 usertime->dwLowDateTime = (DWORD)time;
659 if (kerneltime) kerneltime->dwHighDateTime = kerneltime->dwLowDateTime = 0;
660 if (usertime) usertime->dwHighDateTime = usertime->dwLowDateTime = 0;
661 FIXME("Cannot get kerneltime or usertime of other threads\n");
668 /**********************************************************************
669 * VWin32_BoostThreadGroup [KERNEL.535]
671 VOID WINAPI VWin32_BoostThreadGroup( DWORD threadId, INT boost )
673 FIXME("(0x%08lx,%d): stub\n", threadId, boost);
677 /**********************************************************************
678 * VWin32_BoostThreadStatic [KERNEL.536]
680 VOID WINAPI VWin32_BoostThreadStatic( DWORD threadId, INT boost )
682 FIXME("(0x%08lx,%d): stub\n", threadId, boost);
686 /***********************************************************************
687 * GetCurrentThread [KERNEL32.@] Gets pseudohandle for current thread
690 * Pseudohandle for the current thread
692 #undef GetCurrentThread
693 HANDLE WINAPI GetCurrentThread(void)
695 return (HANDLE)0xfffffffe;
701 /***********************************************************************
702 * SetLastError (KERNEL.147)
703 * SetLastError (KERNEL32.@)
705 /* void WINAPI SetLastError( DWORD error ); */
706 __ASM_GLOBAL_FUNC( SetLastError,
707 "movl 4(%esp),%eax\n\t"
712 /***********************************************************************
713 * GetLastError (KERNEL.148)
714 * GetLastError (KERNEL32.@)
716 /* DWORD WINAPI GetLastError(void); */
717 __ASM_GLOBAL_FUNC( GetLastError, ".byte 0x64\n\tmovl 0x60,%eax\n\tret" );
719 /***********************************************************************
720 * GetCurrentProcessId (KERNEL.471)
721 * GetCurrentProcessId (KERNEL32.@)
723 /* DWORD WINAPI GetCurrentProcessId(void) */
724 __ASM_GLOBAL_FUNC( GetCurrentProcessId, ".byte 0x64\n\tmovl 0x20,%eax\n\tret" );
726 /***********************************************************************
727 * GetCurrentThreadId (KERNEL.462)
728 * GetCurrentThreadId (KERNEL32.@)
730 /* DWORD WINAPI GetCurrentThreadId(void) */
731 __ASM_GLOBAL_FUNC( GetCurrentThreadId, ".byte 0x64\n\tmovl 0x24,%eax\n\tret" );
735 /**********************************************************************
736 * SetLastError (KERNEL.147)
737 * SetLastError (KERNEL32.@)
739 * Sets the last-error code.
741 void WINAPI SetLastError( DWORD error ) /* [in] Per-thread error code */
743 NtCurrentTeb()->last_error = error;
746 /**********************************************************************
747 * GetLastError (KERNEL.148)
748 * GetLastError (KERNEL32.@)
750 * Returns last-error code.
752 DWORD WINAPI GetLastError(void)
754 return NtCurrentTeb()->last_error;
757 /***********************************************************************
758 * GetCurrentProcessId (KERNEL.471)
759 * GetCurrentProcessId (KERNEL32.@)
761 * Returns process identifier.
763 DWORD WINAPI GetCurrentProcessId(void)
765 return (DWORD)NtCurrentTeb()->ClientId.UniqueProcess;
768 /***********************************************************************
769 * GetCurrentThreadId (KERNEL.462)
770 * GetCurrentThreadId (KERNEL32.@)
772 * Returns thread identifier.
774 DWORD WINAPI GetCurrentThreadId(void)
776 return (DWORD)NtCurrentTeb()->ClientId.UniqueThread;
779 #endif /* __i386__ */