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646 lines
18 KiB
C
646 lines
18 KiB
C
/*
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* Win32 threads
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*
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* Copyright 1996 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <assert.h>
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#include <fcntl.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "thread.h"
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#include "wine/winbase16.h"
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#include "wine/exception.h"
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#include "wine/library.h"
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#include "wine/server.h"
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#include "wine/debug.h"
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#include "kernel_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(thread);
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/***********************************************************************
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* CreateThread (KERNEL32.@)
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*/
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HANDLE WINAPI CreateThread( SECURITY_ATTRIBUTES *sa, SIZE_T stack,
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LPTHREAD_START_ROUTINE start, LPVOID param,
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DWORD flags, LPDWORD id )
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{
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return CreateRemoteThread( GetCurrentProcess(),
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sa, stack, start, param, flags, id );
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}
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/***************************************************************************
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* CreateRemoteThread (KERNEL32.@)
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*
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* Creates a thread that runs in the address space of another process
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*
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* PARAMS
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*
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* RETURNS
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* Success: Handle to the new thread.
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* Failure: NULL. Use GetLastError() to find the error cause.
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*
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* BUGS
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* Improper memory allocation: there's no ability to free new_thread_info
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* in other process.
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* Bad start address for RtlCreateUserThread because the library
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* may be loaded at different address in other process.
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*/
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HANDLE WINAPI CreateRemoteThread( HANDLE hProcess, SECURITY_ATTRIBUTES *sa, SIZE_T stack,
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LPTHREAD_START_ROUTINE start, LPVOID param,
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DWORD flags, LPDWORD id )
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{
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HANDLE handle;
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CLIENT_ID client_id;
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NTSTATUS status;
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SIZE_T stack_reserve = 0, stack_commit = 0;
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if (flags & STACK_SIZE_PARAM_IS_A_RESERVATION) stack_reserve = stack;
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else stack_commit = stack;
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status = RtlCreateUserThread( hProcess, NULL, TRUE,
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NULL, stack_reserve, stack_commit,
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(PRTL_THREAD_START_ROUTINE)start, param, &handle, &client_id );
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if (status == STATUS_SUCCESS)
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{
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if (id) *id = HandleToULong(client_id.UniqueThread);
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if (sa && (sa->nLength >= sizeof(*sa)) && sa->bInheritHandle)
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SetHandleInformation( handle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT );
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if (!(flags & CREATE_SUSPENDED))
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{
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ULONG ret;
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if (NtResumeThread( handle, &ret ))
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{
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NtClose( handle );
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SetLastError( ERROR_NOT_ENOUGH_MEMORY );
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handle = 0;
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}
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}
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}
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else
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{
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SetLastError( RtlNtStatusToDosError(status) );
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handle = 0;
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}
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return handle;
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}
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/***********************************************************************
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* OpenThread [KERNEL32.@] Retrieves a handle to a thread from its thread id
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*/
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HANDLE WINAPI OpenThread( DWORD dwDesiredAccess, BOOL bInheritHandle, DWORD dwThreadId )
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{
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NTSTATUS status;
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HANDLE handle;
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OBJECT_ATTRIBUTES attr;
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CLIENT_ID cid;
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attr.Length = sizeof(attr);
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attr.RootDirectory = 0;
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attr.Attributes = bInheritHandle ? OBJ_INHERIT : 0;
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attr.ObjectName = NULL;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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cid.UniqueProcess = 0; /* FIXME */
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cid.UniqueThread = ULongToHandle(dwThreadId);
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status = NtOpenThread( &handle, dwDesiredAccess, &attr, &cid );
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if (status)
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{
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SetLastError( RtlNtStatusToDosError(status) );
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handle = 0;
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}
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return handle;
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}
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/***********************************************************************
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* ExitThread [KERNEL32.@] Ends a thread
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*
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* RETURNS
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* None
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*/
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void WINAPI ExitThread( DWORD code ) /* [in] Exit code for this thread */
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{
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BOOL last;
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SERVER_START_REQ( terminate_thread )
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{
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/* send the exit code to the server */
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req->handle = GetCurrentThread();
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req->exit_code = code;
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wine_server_call( req );
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last = reply->last;
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}
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SERVER_END_REQ;
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if (last)
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{
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LdrShutdownProcess();
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exit( code );
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}
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else
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{
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RtlFreeThreadActivationContextStack();
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RtlExitUserThread( code );
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}
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}
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/**********************************************************************
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* TerminateThread [KERNEL32.@] Terminates a thread
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*/
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BOOL WINAPI TerminateThread( HANDLE handle, /* [in] Handle to thread */
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DWORD exit_code) /* [in] Exit code for thread */
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{
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NTSTATUS status = NtTerminateThread( handle, exit_code );
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if (status) SetLastError( RtlNtStatusToDosError(status) );
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return !status;
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}
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/***********************************************************************
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* FreeLibraryAndExitThread (KERNEL32.@)
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*/
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void WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
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{
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FreeLibrary(hLibModule);
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ExitThread(dwExitCode);
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}
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/**********************************************************************
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* GetExitCodeThread (KERNEL32.@)
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*
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* Gets termination status of thread.
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*/
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BOOL WINAPI GetExitCodeThread(
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HANDLE hthread, /* [in] Handle to thread */
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LPDWORD exitcode) /* [out] Address to receive termination status */
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{
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THREAD_BASIC_INFORMATION info;
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NTSTATUS status = NtQueryInformationThread( hthread, ThreadBasicInformation,
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&info, sizeof(info), NULL );
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if (status)
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{
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SetLastError( RtlNtStatusToDosError(status) );
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return FALSE;
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}
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if (exitcode) *exitcode = info.ExitStatus;
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return TRUE;
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}
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/***********************************************************************
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* SetThreadContext [KERNEL32.@] Sets context of thread.
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*/
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BOOL WINAPI SetThreadContext( HANDLE handle, /* [in] Handle to thread with context */
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const CONTEXT *context ) /* [in] Address of context structure */
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{
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NTSTATUS status = NtSetContextThread( handle, context );
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if (status) SetLastError( RtlNtStatusToDosError(status) );
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return !status;
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}
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/***********************************************************************
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* GetThreadContext [KERNEL32.@] Retrieves context of thread.
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*/
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BOOL WINAPI GetThreadContext( HANDLE handle, /* [in] Handle to thread with context */
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CONTEXT *context ) /* [out] Address of context structure */
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{
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NTSTATUS status = NtGetContextThread( handle, context );
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if (status) SetLastError( RtlNtStatusToDosError(status) );
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return !status;
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}
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/**********************************************************************
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* SuspendThread [KERNEL32.@] Suspends a thread.
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*
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* RETURNS
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* Success: Previous suspend count
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* Failure: 0xFFFFFFFF
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*/
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DWORD WINAPI SuspendThread( HANDLE hthread ) /* [in] Handle to the thread */
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{
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DWORD ret;
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NTSTATUS status = NtSuspendThread( hthread, &ret );
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if (status)
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{
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ret = ~0U;
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SetLastError( RtlNtStatusToDosError(status) );
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}
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return ret;
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}
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/**********************************************************************
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* ResumeThread [KERNEL32.@] Resumes a thread.
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*
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* Decrements a thread's suspend count. When count is zero, the
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* execution of the thread is resumed.
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*
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* RETURNS
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* Success: Previous suspend count
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* Failure: 0xFFFFFFFF
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* Already running: 0
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*/
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DWORD WINAPI ResumeThread( HANDLE hthread ) /* [in] Identifies thread to restart */
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{
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DWORD ret;
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NTSTATUS status = NtResumeThread( hthread, &ret );
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if (status)
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{
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ret = ~0U;
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SetLastError( RtlNtStatusToDosError(status) );
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}
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return ret;
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}
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/**********************************************************************
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* GetThreadPriority [KERNEL32.@] Returns priority for thread.
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*
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* RETURNS
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* Success: Thread's priority level.
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* Failure: THREAD_PRIORITY_ERROR_RETURN
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*/
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INT WINAPI GetThreadPriority(
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HANDLE hthread) /* [in] Handle to thread */
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{
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THREAD_BASIC_INFORMATION info;
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NTSTATUS status = NtQueryInformationThread( hthread, ThreadBasicInformation,
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&info, sizeof(info), NULL );
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if (status)
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{
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SetLastError( RtlNtStatusToDosError(status) );
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return THREAD_PRIORITY_ERROR_RETURN;
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}
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return info.Priority;
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}
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/**********************************************************************
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* SetThreadPriority [KERNEL32.@] Sets priority for thread.
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*/
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BOOL WINAPI SetThreadPriority(
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HANDLE hthread, /* [in] Handle to thread */
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INT priority) /* [in] Thread priority level */
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{
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DWORD prio = priority;
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NTSTATUS status;
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status = NtSetInformationThread(hthread, ThreadBasePriority,
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&prio, sizeof(prio));
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if (status)
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{
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SetLastError( RtlNtStatusToDosError(status) );
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return FALSE;
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}
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return TRUE;
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}
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/**********************************************************************
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* GetThreadPriorityBoost [KERNEL32.@] Returns priority boost for thread.
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*
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* Always reports that priority boost is disabled.
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*
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* RETURNS
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* Success: TRUE.
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* Failure: FALSE
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*/
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BOOL WINAPI GetThreadPriorityBoost(
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HANDLE hthread, /* [in] Handle to thread */
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PBOOL pstate) /* [out] pointer to var that receives the boost state */
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{
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if (pstate) *pstate = FALSE;
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return NO_ERROR;
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}
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/**********************************************************************
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* SetThreadPriorityBoost [KERNEL32.@] Sets priority boost for thread.
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*
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* Priority boost is not implemented. Thsi function always returns
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* FALSE and sets last error to ERROR_CALL_NOT_IMPLEMENTED
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*
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* RETURNS
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* Always returns FALSE to indicate a failure
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*/
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BOOL WINAPI SetThreadPriorityBoost(
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HANDLE hthread, /* [in] Handle to thread */
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BOOL disable) /* [in] TRUE to disable priority boost */
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{
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return FALSE;
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}
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/**********************************************************************
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* SetThreadAffinityMask (KERNEL32.@)
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*/
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DWORD_PTR WINAPI SetThreadAffinityMask( HANDLE hThread, DWORD_PTR dwThreadAffinityMask )
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{
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NTSTATUS status;
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THREAD_BASIC_INFORMATION tbi;
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status = NtQueryInformationThread( hThread, ThreadBasicInformation,
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&tbi, sizeof(tbi), NULL );
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if (status)
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{
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SetLastError( RtlNtStatusToDosError(status) );
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return 0;
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}
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status = NtSetInformationThread( hThread, ThreadAffinityMask,
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&dwThreadAffinityMask,
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sizeof(dwThreadAffinityMask));
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if (status)
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{
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SetLastError( RtlNtStatusToDosError(status) );
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return 0;
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}
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return tbi.AffinityMask;
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}
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/**********************************************************************
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* SetThreadIdealProcessor [KERNEL32.@] Obtains timing information.
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*
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* RETURNS
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* Success: Value of last call to SetThreadIdealProcessor
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* Failure: -1
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*/
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DWORD WINAPI SetThreadIdealProcessor(
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HANDLE hThread, /* [in] Specifies the thread of interest */
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DWORD dwIdealProcessor) /* [in] Specifies the new preferred processor */
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{
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FIXME("(%p): stub\n",hThread);
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return -1L;
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}
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/* callback for QueueUserAPC */
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static void CALLBACK call_user_apc( ULONG_PTR arg1, ULONG_PTR arg2, ULONG_PTR arg3 )
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{
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PAPCFUNC func = (PAPCFUNC)arg1;
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func( arg2 );
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}
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/***********************************************************************
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* QueueUserAPC (KERNEL32.@)
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*/
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DWORD WINAPI QueueUserAPC( PAPCFUNC func, HANDLE hthread, ULONG_PTR data )
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{
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NTSTATUS status = NtQueueApcThread( hthread, call_user_apc, (ULONG_PTR)func, data, 0 );
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if (status) SetLastError( RtlNtStatusToDosError(status) );
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return !status;
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}
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/***********************************************************************
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* QueueUserWorkItem (KERNEL32.@)
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*/
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BOOL WINAPI QueueUserWorkItem( LPTHREAD_START_ROUTINE Function, PVOID Context, ULONG Flags )
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{
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NTSTATUS status;
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TRACE("(%p,%p,0x%08x)\n", Function, Context, Flags);
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status = RtlQueueWorkItem( Function, Context, Flags );
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if (status) SetLastError( RtlNtStatusToDosError(status) );
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return !status;
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}
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/**********************************************************************
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* GetThreadTimes [KERNEL32.@] Obtains timing information.
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*/
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BOOL WINAPI GetThreadTimes(
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HANDLE thread, /* [in] Specifies the thread of interest */
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LPFILETIME creationtime, /* [out] When the thread was created */
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LPFILETIME exittime, /* [out] When the thread was destroyed */
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LPFILETIME kerneltime, /* [out] Time thread spent in kernel mode */
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LPFILETIME usertime) /* [out] Time thread spent in user mode */
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{
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KERNEL_USER_TIMES kusrt;
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NTSTATUS status;
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status = NtQueryInformationThread(thread, ThreadTimes, &kusrt,
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sizeof(kusrt), NULL);
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if (status)
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{
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SetLastError( RtlNtStatusToDosError(status) );
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return FALSE;
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}
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if (creationtime)
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{
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creationtime->dwLowDateTime = kusrt.CreateTime.u.LowPart;
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creationtime->dwHighDateTime = kusrt.CreateTime.u.HighPart;
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}
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if (exittime)
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{
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exittime->dwLowDateTime = kusrt.ExitTime.u.LowPart;
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exittime->dwHighDateTime = kusrt.ExitTime.u.HighPart;
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}
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if (kerneltime)
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{
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kerneltime->dwLowDateTime = kusrt.KernelTime.u.LowPart;
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kerneltime->dwHighDateTime = kusrt.KernelTime.u.HighPart;
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}
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if (usertime)
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{
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usertime->dwLowDateTime = kusrt.UserTime.u.LowPart;
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usertime->dwHighDateTime = kusrt.UserTime.u.HighPart;
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}
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return TRUE;
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}
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/**********************************************************************
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* VWin32_BoostThreadGroup [KERNEL.535]
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*/
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VOID WINAPI VWin32_BoostThreadGroup( DWORD threadId, INT boost )
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{
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FIXME("(0x%08x,%d): stub\n", threadId, boost);
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}
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/**********************************************************************
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* VWin32_BoostThreadStatic [KERNEL.536]
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*/
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VOID WINAPI VWin32_BoostThreadStatic( DWORD threadId, INT boost )
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{
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FIXME("(0x%08x,%d): stub\n", threadId, boost);
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}
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/***********************************************************************
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* GetCurrentThread [KERNEL32.@] Gets pseudohandle for current thread
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*
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* RETURNS
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* Pseudohandle for the current thread
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*/
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#undef GetCurrentThread
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HANDLE WINAPI GetCurrentThread(void)
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{
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return (HANDLE)0xfffffffe;
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}
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#ifdef __i386__
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/***********************************************************************
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* SetLastError (KERNEL.147)
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* SetLastError (KERNEL32.@)
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*/
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/* void WINAPI SetLastError( DWORD error ); */
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__ASM_GLOBAL_FUNC( SetLastError,
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"movl 4(%esp),%eax\n\t"
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".byte 0x64\n\t"
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"movl %eax,0x34\n\t"
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"ret $4" )
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/***********************************************************************
|
|
* GetLastError (KERNEL.148)
|
|
* GetLastError (KERNEL32.@)
|
|
*/
|
|
/* DWORD WINAPI GetLastError(void); */
|
|
__ASM_GLOBAL_FUNC( GetLastError, ".byte 0x64\n\tmovl 0x34,%eax\n\tret" )
|
|
|
|
/***********************************************************************
|
|
* GetCurrentProcessId (KERNEL.471)
|
|
* GetCurrentProcessId (KERNEL32.@)
|
|
*/
|
|
/* DWORD WINAPI GetCurrentProcessId(void) */
|
|
__ASM_GLOBAL_FUNC( GetCurrentProcessId, ".byte 0x64\n\tmovl 0x20,%eax\n\tret" )
|
|
|
|
/***********************************************************************
|
|
* GetCurrentThreadId (KERNEL.462)
|
|
* GetCurrentThreadId (KERNEL32.@)
|
|
*/
|
|
/* DWORD WINAPI GetCurrentThreadId(void) */
|
|
__ASM_GLOBAL_FUNC( GetCurrentThreadId, ".byte 0x64\n\tmovl 0x24,%eax\n\tret" )
|
|
|
|
#else /* __i386__ */
|
|
|
|
/**********************************************************************
|
|
* SetLastError (KERNEL.147)
|
|
* SetLastError (KERNEL32.@)
|
|
*
|
|
* Sets the last-error code.
|
|
*
|
|
* RETURNS
|
|
* Nothing.
|
|
*/
|
|
void WINAPI SetLastError( DWORD error ) /* [in] Per-thread error code */
|
|
{
|
|
NtCurrentTeb()->LastErrorValue = error;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* GetLastError (KERNEL.148)
|
|
* GetLastError (KERNEL32.@)
|
|
*
|
|
* Get the last-error code.
|
|
*
|
|
* RETURNS
|
|
* last-error code.
|
|
*/
|
|
DWORD WINAPI GetLastError(void)
|
|
{
|
|
return NtCurrentTeb()->LastErrorValue;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetCurrentProcessId (KERNEL.471)
|
|
* GetCurrentProcessId (KERNEL32.@)
|
|
*
|
|
* Get the current process identifier.
|
|
*
|
|
* RETURNS
|
|
* current process identifier
|
|
*/
|
|
DWORD WINAPI GetCurrentProcessId(void)
|
|
{
|
|
return HandleToULong(NtCurrentTeb()->ClientId.UniqueProcess);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetCurrentThreadId (KERNEL.462)
|
|
* GetCurrentThreadId (KERNEL32.@)
|
|
*
|
|
* Get the current thread identifier.
|
|
*
|
|
* RETURNS
|
|
* current thread identifier
|
|
*/
|
|
DWORD WINAPI GetCurrentThreadId(void)
|
|
{
|
|
return HandleToULong(NtCurrentTeb()->ClientId.UniqueThread);
|
|
}
|
|
|
|
#endif /* __i386__ */
|