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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
27 #include <sys/types.h>
33 #define WIN32_NO_STATUS
38 #include "wine/exception.h"
39 #include "wine/library.h"
40 #include "wine/server.h"
41 #include "wine/debug.h"
43 #include "kernel_private.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(thread);
48 /***********************************************************************
49 * CreateThread (KERNEL32.@)
51 HANDLE WINAPI DECLSPEC_HOTPATCH CreateThread( SECURITY_ATTRIBUTES *sa, SIZE_T stack, LPTHREAD_START_ROUTINE start,
52 LPVOID param, DWORD flags, LPDWORD id )
54 return CreateRemoteThread( GetCurrentProcess(),
55 sa, stack, start, param, flags, id );
59 /***************************************************************************
60 * CreateRemoteThread (KERNEL32.@)
62 * Creates a thread that runs in the address space of another process
67 * Success: Handle to the new thread.
68 * Failure: NULL. Use GetLastError() to find the error cause.
71 * Improper memory allocation: there's no ability to free new_thread_info
73 * Bad start address for RtlCreateUserThread because the library
74 * may be loaded at different address in other process.
76 HANDLE WINAPI CreateRemoteThread( HANDLE hProcess, SECURITY_ATTRIBUTES *sa, SIZE_T stack,
77 LPTHREAD_START_ROUTINE start, LPVOID param,
78 DWORD flags, LPDWORD id )
83 SIZE_T stack_reserve = 0, stack_commit = 0;
85 if (flags & STACK_SIZE_PARAM_IS_A_RESERVATION) stack_reserve = stack;
86 else stack_commit = stack;
88 status = RtlCreateUserThread( hProcess, NULL, TRUE,
89 NULL, stack_reserve, stack_commit,
90 (PRTL_THREAD_START_ROUTINE)start, param, &handle, &client_id );
91 if (status == STATUS_SUCCESS)
93 if (id) *id = HandleToULong(client_id.UniqueThread);
94 if (sa && (sa->nLength >= sizeof(*sa)) && sa->bInheritHandle)
95 SetHandleInformation( handle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT );
96 if (!(flags & CREATE_SUSPENDED))
99 if (NtResumeThread( handle, &ret ))
102 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
109 SetLastError( RtlNtStatusToDosError(status) );
116 /***********************************************************************
117 * OpenThread [KERNEL32.@] Retrieves a handle to a thread from its thread id
119 HANDLE WINAPI OpenThread( DWORD dwDesiredAccess, BOOL bInheritHandle, DWORD dwThreadId )
123 OBJECT_ATTRIBUTES attr;
126 attr.Length = sizeof(attr);
127 attr.RootDirectory = 0;
128 attr.Attributes = bInheritHandle ? OBJ_INHERIT : 0;
129 attr.ObjectName = NULL;
130 attr.SecurityDescriptor = NULL;
131 attr.SecurityQualityOfService = NULL;
133 cid.UniqueProcess = 0; /* FIXME */
134 cid.UniqueThread = ULongToHandle(dwThreadId);
135 status = NtOpenThread( &handle, dwDesiredAccess, &attr, &cid );
138 SetLastError( RtlNtStatusToDosError(status) );
145 /***********************************************************************
146 * ExitThread [KERNEL32.@] Ends a thread
151 void WINAPI ExitThread( DWORD code ) /* [in] Exit code for this thread */
153 RtlFreeThreadActivationContextStack();
154 RtlExitUserThread( code );
158 /**********************************************************************
159 * TerminateThread [KERNEL32.@] Terminates a thread
165 BOOL WINAPI TerminateThread( HANDLE handle, /* [in] Handle to thread */
166 DWORD exit_code) /* [in] Exit code for thread */
168 NTSTATUS status = NtTerminateThread( handle, exit_code );
169 if (status) SetLastError( RtlNtStatusToDosError(status) );
174 /***********************************************************************
175 * FreeLibraryAndExitThread (KERNEL32.@)
177 void WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
179 FreeLibrary(hLibModule);
180 ExitThread(dwExitCode);
184 /**********************************************************************
185 * GetExitCodeThread (KERNEL32.@)
187 * Gets termination status of thread.
193 BOOL WINAPI GetExitCodeThread(
194 HANDLE hthread, /* [in] Handle to thread */
195 LPDWORD exitcode) /* [out] Address to receive termination status */
197 THREAD_BASIC_INFORMATION info;
198 NTSTATUS status = NtQueryInformationThread( hthread, ThreadBasicInformation,
199 &info, sizeof(info), NULL );
203 SetLastError( RtlNtStatusToDosError(status) );
206 if (exitcode) *exitcode = info.ExitStatus;
211 /***********************************************************************
212 * SetThreadContext [KERNEL32.@] Sets context of thread.
218 BOOL WINAPI SetThreadContext( HANDLE handle, /* [in] Handle to thread with context */
219 const CONTEXT *context ) /* [in] Address of context structure */
221 NTSTATUS status = NtSetContextThread( handle, context );
222 if (status) SetLastError( RtlNtStatusToDosError(status) );
227 /***********************************************************************
228 * GetThreadContext [KERNEL32.@] Retrieves context of thread.
234 BOOL WINAPI GetThreadContext( HANDLE handle, /* [in] Handle to thread with context */
235 CONTEXT *context ) /* [out] Address of context structure */
237 NTSTATUS status = NtGetContextThread( handle, context );
238 if (status) SetLastError( RtlNtStatusToDosError(status) );
243 /**********************************************************************
244 * SuspendThread [KERNEL32.@] Suspends a thread.
247 * Success: Previous suspend count
248 * Failure: 0xFFFFFFFF
250 DWORD WINAPI SuspendThread( HANDLE hthread ) /* [in] Handle to the thread */
253 NTSTATUS status = NtSuspendThread( hthread, &ret );
258 SetLastError( RtlNtStatusToDosError(status) );
264 /**********************************************************************
265 * ResumeThread [KERNEL32.@] Resumes a thread.
267 * Decrements a thread's suspend count. When count is zero, the
268 * execution of the thread is resumed.
271 * Success: Previous suspend count
272 * Failure: 0xFFFFFFFF
275 DWORD WINAPI ResumeThread( HANDLE hthread ) /* [in] Identifies thread to restart */
278 NTSTATUS status = NtResumeThread( hthread, &ret );
283 SetLastError( RtlNtStatusToDosError(status) );
289 /**********************************************************************
290 * GetThreadPriority [KERNEL32.@] Returns priority for thread.
293 * Success: Thread's priority level.
294 * Failure: THREAD_PRIORITY_ERROR_RETURN
296 INT WINAPI GetThreadPriority(
297 HANDLE hthread) /* [in] Handle to thread */
299 THREAD_BASIC_INFORMATION info;
300 NTSTATUS status = NtQueryInformationThread( hthread, ThreadBasicInformation,
301 &info, sizeof(info), NULL );
305 SetLastError( RtlNtStatusToDosError(status) );
306 return THREAD_PRIORITY_ERROR_RETURN;
308 return info.Priority;
312 /**********************************************************************
313 * SetThreadPriority [KERNEL32.@] Sets priority for thread.
319 BOOL WINAPI SetThreadPriority(
320 HANDLE hthread, /* [in] Handle to thread */
321 INT priority) /* [in] Thread priority level */
323 DWORD prio = priority;
326 status = NtSetInformationThread(hthread, ThreadBasePriority,
327 &prio, sizeof(prio));
331 SetLastError( RtlNtStatusToDosError(status) );
339 /**********************************************************************
340 * GetThreadPriorityBoost [KERNEL32.@] Returns priority boost for thread.
342 * Always reports that priority boost is disabled.
348 BOOL WINAPI GetThreadPriorityBoost(
349 HANDLE hthread, /* [in] Handle to thread */
350 PBOOL pstate) /* [out] pointer to var that receives the boost state */
352 if (pstate) *pstate = FALSE;
357 /**********************************************************************
358 * SetThreadPriorityBoost [KERNEL32.@] Sets priority boost for thread.
360 * Priority boost is not implemented. This function always returns
361 * FALSE and sets last error to ERROR_CALL_NOT_IMPLEMENTED
364 * Always returns FALSE to indicate a failure
366 BOOL WINAPI SetThreadPriorityBoost(
367 HANDLE hthread, /* [in] Handle to thread */
368 BOOL disable) /* [in] TRUE to disable priority boost */
370 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
375 /**********************************************************************
376 * SetThreadAffinityMask (KERNEL32.@)
378 DWORD_PTR WINAPI SetThreadAffinityMask( HANDLE hThread, DWORD_PTR dwThreadAffinityMask )
381 THREAD_BASIC_INFORMATION tbi;
383 status = NtQueryInformationThread( hThread, ThreadBasicInformation,
384 &tbi, sizeof(tbi), NULL );
387 SetLastError( RtlNtStatusToDosError(status) );
390 status = NtSetInformationThread( hThread, ThreadAffinityMask,
391 &dwThreadAffinityMask,
392 sizeof(dwThreadAffinityMask));
395 SetLastError( RtlNtStatusToDosError(status) );
398 return tbi.AffinityMask;
402 /**********************************************************************
403 * SetThreadIdealProcessor [KERNEL32.@] Sets preferred processor for thread.
406 * Success: Value of last call to SetThreadIdealProcessor
409 DWORD WINAPI SetThreadIdealProcessor(
410 HANDLE hThread, /* [in] Specifies the thread of interest */
411 DWORD dwIdealProcessor) /* [in] Specifies the new preferred processor */
413 FIXME("(%p): stub\n",hThread);
414 if (dwIdealProcessor > MAXIMUM_PROCESSORS)
416 SetLastError(ERROR_INVALID_PARAMETER);
423 /***********************************************************************
424 * GetThreadSelectorEntry (KERNEL32.@)
426 BOOL WINAPI GetThreadSelectorEntry( HANDLE hthread, DWORD sel, LPLDT_ENTRY ldtent )
428 THREAD_DESCRIPTOR_INFORMATION tdi;
432 status = NtQueryInformationThread( hthread, ThreadDescriptorTableEntry, &tdi, sizeof(tdi), NULL);
435 SetLastError( RtlNtStatusToDosError(status) );
443 /* callback for QueueUserAPC */
444 static void CALLBACK call_user_apc( ULONG_PTR arg1, ULONG_PTR arg2, ULONG_PTR arg3 )
446 PAPCFUNC func = (PAPCFUNC)arg1;
450 /***********************************************************************
451 * QueueUserAPC (KERNEL32.@)
453 DWORD WINAPI QueueUserAPC( PAPCFUNC func, HANDLE hthread, ULONG_PTR data )
455 NTSTATUS status = NtQueueApcThread( hthread, call_user_apc, (ULONG_PTR)func, data, 0 );
457 if (status) SetLastError( RtlNtStatusToDosError(status) );
461 /***********************************************************************
462 * QueueUserWorkItem (KERNEL32.@)
464 BOOL WINAPI QueueUserWorkItem( LPTHREAD_START_ROUTINE Function, PVOID Context, ULONG Flags )
468 TRACE("(%p,%p,0x%08x)\n", Function, Context, Flags);
470 status = RtlQueueWorkItem( Function, Context, Flags );
472 if (status) SetLastError( RtlNtStatusToDosError(status) );
476 /**********************************************************************
477 * GetThreadTimes [KERNEL32.@] Obtains timing information.
483 BOOL WINAPI GetThreadTimes(
484 HANDLE thread, /* [in] Specifies the thread of interest */
485 LPFILETIME creationtime, /* [out] When the thread was created */
486 LPFILETIME exittime, /* [out] When the thread was destroyed */
487 LPFILETIME kerneltime, /* [out] Time thread spent in kernel mode */
488 LPFILETIME usertime) /* [out] Time thread spent in user mode */
490 KERNEL_USER_TIMES kusrt;
493 status = NtQueryInformationThread(thread, ThreadTimes, &kusrt,
494 sizeof(kusrt), NULL);
497 SetLastError( RtlNtStatusToDosError(status) );
502 creationtime->dwLowDateTime = kusrt.CreateTime.u.LowPart;
503 creationtime->dwHighDateTime = kusrt.CreateTime.u.HighPart;
507 exittime->dwLowDateTime = kusrt.ExitTime.u.LowPart;
508 exittime->dwHighDateTime = kusrt.ExitTime.u.HighPart;
512 kerneltime->dwLowDateTime = kusrt.KernelTime.u.LowPart;
513 kerneltime->dwHighDateTime = kusrt.KernelTime.u.HighPart;
517 usertime->dwLowDateTime = kusrt.UserTime.u.LowPart;
518 usertime->dwHighDateTime = kusrt.UserTime.u.HighPart;
524 /**********************************************************************
525 * GetThreadId [KERNEL32.@]
527 * Retrieve the identifier of a thread.
530 * Thread [I] The thread to retrieve the identifier of.
533 * Success: Identifier of the target thread.
536 DWORD WINAPI GetThreadId(HANDLE Thread)
538 THREAD_BASIC_INFORMATION tbi;
541 TRACE("(%p)\n", Thread);
543 status = NtQueryInformationThread(Thread, ThreadBasicInformation, &tbi,
547 SetLastError( RtlNtStatusToDosError(status) );
551 return HandleToULong(tbi.ClientId.UniqueThread);
555 /***********************************************************************
556 * GetCurrentThread [KERNEL32.@] Gets pseudohandle for current thread
559 * Pseudohandle for the current thread
561 #undef GetCurrentThread
562 HANDLE WINAPI GetCurrentThread(void)
564 return (HANDLE)~(ULONG_PTR)1;
570 /***********************************************************************
571 * SetLastError (KERNEL32.@)
573 /* void WINAPI SetLastError( DWORD error ); */
574 __ASM_STDCALL_FUNC( SetLastError, 4,
575 "movl 4(%esp),%eax\n\t"
580 /***********************************************************************
581 * GetLastError (KERNEL32.@)
583 /* DWORD WINAPI GetLastError(void); */
584 __ASM_STDCALL_FUNC( GetLastError, 0, ".byte 0x64\n\tmovl 0x34,%eax\n\tret" )
586 /***********************************************************************
587 * GetCurrentProcessId (KERNEL32.@)
589 /* DWORD WINAPI GetCurrentProcessId(void) */
590 __ASM_STDCALL_FUNC( GetCurrentProcessId, 0, ".byte 0x64\n\tmovl 0x20,%eax\n\tret" )
592 /***********************************************************************
593 * GetCurrentThreadId (KERNEL32.@)
595 /* DWORD WINAPI GetCurrentThreadId(void) */
596 __ASM_STDCALL_FUNC( GetCurrentThreadId, 0, ".byte 0x64\n\tmovl 0x24,%eax\n\tret" )
598 /***********************************************************************
599 * GetProcessHeap (KERNEL32.@)
601 /* HANDLE WINAPI GetProcessHeap(void) */
602 __ASM_STDCALL_FUNC( GetProcessHeap, 0, ".byte 0x64\n\tmovl 0x30,%eax\n\tmovl 0x18(%eax),%eax\n\tret");
604 #elif defined(__x86_64__)
606 /***********************************************************************
607 * SetLastError (KERNEL32.@)
609 /* void WINAPI SetLastError( DWORD error ); */
610 __ASM_STDCALL_FUNC( SetLastError, 8, ".byte 0x65\n\tmovl %ecx,0x68\n\tret" );
612 /***********************************************************************
613 * GetLastError (KERNEL32.@)
615 /* DWORD WINAPI GetLastError(void); */
616 __ASM_STDCALL_FUNC( GetLastError, 0, ".byte 0x65\n\tmovl 0x68,%eax\n\tret" );
618 /***********************************************************************
619 * GetCurrentProcessId (KERNEL32.@)
621 /* DWORD WINAPI GetCurrentProcessId(void) */
622 __ASM_STDCALL_FUNC( GetCurrentProcessId, 0, ".byte 0x65\n\tmovl 0x40,%eax\n\tret" );
624 /***********************************************************************
625 * GetCurrentThreadId (KERNEL32.@)
627 /* DWORD WINAPI GetCurrentThreadId(void) */
628 __ASM_STDCALL_FUNC( GetCurrentThreadId, 0, ".byte 0x65\n\tmovl 0x48,%eax\n\tret" );
630 /***********************************************************************
631 * GetProcessHeap (KERNEL32.@)
633 /* HANDLE WINAPI GetProcessHeap(void) */
634 __ASM_STDCALL_FUNC( GetProcessHeap, 0, ".byte 0x65\n\tmovq 0x60,%rax\n\tmovq 0x30(%rax),%rax\n\tret");
636 #else /* __x86_64__ */
638 /**********************************************************************
639 * SetLastError (KERNEL32.@)
641 * Sets the last-error code.
646 void WINAPI SetLastError( DWORD error ) /* [in] Per-thread error code */
648 NtCurrentTeb()->LastErrorValue = error;
651 /**********************************************************************
652 * GetLastError (KERNEL32.@)
654 * Get the last-error code.
659 DWORD WINAPI GetLastError(void)
661 return NtCurrentTeb()->LastErrorValue;
664 /***********************************************************************
665 * GetCurrentProcessId (KERNEL32.@)
667 * Get the current process identifier.
670 * current process identifier
672 DWORD WINAPI GetCurrentProcessId(void)
674 return HandleToULong(NtCurrentTeb()->ClientId.UniqueProcess);
677 /***********************************************************************
678 * GetCurrentThreadId (KERNEL32.@)
680 * Get the current thread identifier.
683 * current thread identifier
685 DWORD WINAPI GetCurrentThreadId(void)
687 return HandleToULong(NtCurrentTeb()->ClientId.UniqueThread);
690 /***********************************************************************
691 * GetProcessHeap (KERNEL32.@)
693 HANDLE WINAPI GetProcessHeap(void)
695 return NtCurrentTeb()->Peb->ProcessHeap;
698 #endif /* __i386__ */
700 /*************************************************************************
701 * rtlmode_to_win32mode
703 static DWORD rtlmode_to_win32mode( DWORD rtlmode )
708 win32mode |= SEM_FAILCRITICALERRORS;
710 win32mode |= SEM_NOGPFAULTERRORBOX;
712 win32mode |= SEM_NOOPENFILEERRORBOX;
717 /***********************************************************************
718 * SetThreadErrorMode (KERNEL32.@)
720 * Set the thread local error mode.
723 * mode [I] The new error mode, a bitwise or of SEM_FAILCRITICALERRORS,
724 * SEM_NOGPFAULTERRORBOX and SEM_NOOPENFILEERRORBOX.
725 * oldmode [O] Destination of the old error mode (may be NULL)
729 * Failure: FALSE, check GetLastError
731 BOOL WINAPI SetThreadErrorMode( DWORD mode, LPDWORD oldmode )
736 if (mode & ~(SEM_FAILCRITICALERRORS |
737 SEM_NOGPFAULTERRORBOX |
738 SEM_NOOPENFILEERRORBOX))
740 SetLastError( ERROR_INVALID_PARAMETER );
744 if (mode & SEM_FAILCRITICALERRORS)
746 if (mode & SEM_NOGPFAULTERRORBOX)
748 if (mode & SEM_NOOPENFILEERRORBOX)
751 status = RtlSetThreadErrorMode( tmp, oldmode );
754 SetLastError( RtlNtStatusToDosError(status) );
759 *oldmode = rtlmode_to_win32mode(*oldmode);
764 /***********************************************************************
765 * GetThreadErrorMode (KERNEL32.@)
767 * Get the thread local error mode.
773 * The current thread local error mode.
775 DWORD WINAPI GetThreadErrorMode( void )
777 return rtlmode_to_win32mode( RtlGetThreadErrorMode() );
780 /***********************************************************************
781 * GetThreadUILanguage (KERNEL32.@)
783 * Get the current thread's language identifier.
789 * The current thread's language identifier.
791 LANGID WINAPI GetThreadUILanguage( void )
794 NtQueryDefaultUILanguage( &lang );
795 FIXME(": stub, returning default language.\n");
799 /***********************************************************************
800 * GetThreadIOPendingFlag (KERNEL32.@)
802 BOOL WINAPI GetThreadIOPendingFlag( HANDLE thread, PBOOL io_pending )
804 FIXME("%p, %p\n", thread, io_pending);
809 /***********************************************************************
810 * SetThreadPreferredUILanguages (KERNEL32.@)
812 BOOL WINAPI SetThreadPreferredUILanguages( DWORD flags, PCZZWSTR buffer, PULONG count )
814 FIXME( "%u, %p, %p\n", flags, buffer, count );
818 /***********************************************************************
819 * GetThreadPreferredUILanguages (KERNEL32.@)
821 BOOL WINAPI GetThreadPreferredUILanguages( DWORD flags, PULONG count, PCZZWSTR buffer, PULONG buffersize )
823 FIXME( "%u, %p, %p %p\n", flags, count, buffer, buffersize );
829 /***********************************************************************
830 * InitializeSRWLock (KERNEL32.@)
832 VOID WINAPI InitializeSRWLock( PSRWLOCK srwlock )
834 FIXME( "(%p): stub\n", srwlock );
837 /***********************************************************************
838 * AcquireSRWLockExclusive (KERNEL32.@)
840 VOID WINAPI AcquireSRWLockExclusive( PSRWLOCK srwlock )
842 FIXME( "(%p): stub\n", srwlock );
845 /***********************************************************************
846 * ReleaseSRWLockExclusive (KERNEL32.@)
848 VOID WINAPI ReleaseSRWLockExclusive( PSRWLOCK srwlock )
850 FIXME( "(%p): stub\n", srwlock );
853 /***********************************************************************
854 * AcquireSRWLockShared (KERNEL32.@)
856 VOID WINAPI AcquireSRWLockShared( PSRWLOCK srwlock )
858 FIXME( "(%p): stub\n", srwlock );
861 /***********************************************************************
862 * ReleaseSRWLockShared (KERNEL32.@)
864 VOID WINAPI ReleaseSRWLockShared( PSRWLOCK srwlock )
866 FIXME( "(%p): stub\n", srwlock );