660 lines
18 KiB
C
660 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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_SYS_TIMES_H
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#include <sys/times.h>
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#endif
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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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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "winnls.h"
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#include "module.h"
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#include "thread.h"
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#include "wine/winbase16.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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WINE_DEFAULT_DEBUG_CHANNEL(thread);
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WINE_DECLARE_DEBUG_CHANNEL(relay);
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/***********************************************************************
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* THREAD_InitStack
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*
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* Allocate the stack of a thread.
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*/
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TEB *THREAD_InitStack( TEB *teb, DWORD stack_size )
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{
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DWORD old_prot;
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DWORD page_size = getpagesize();
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void *base;
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stack_size = (stack_size + (page_size - 1)) & ~(page_size - 1);
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if (!(base = VirtualAlloc( NULL, stack_size, MEM_COMMIT, PAGE_EXECUTE_READWRITE )))
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return NULL;
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teb->DeallocationStack = base;
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teb->Tib.StackBase = (char *)base + stack_size;
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teb->Tib.StackLimit = base; /* note: limit is lower than base since the stack grows down */
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/* Setup guard pages */
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VirtualProtect( base, 1, PAGE_EXECUTE_READWRITE | PAGE_GUARD, &old_prot );
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return teb;
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}
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struct new_thread_info
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{
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LPTHREAD_START_ROUTINE func;
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void *arg;
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};
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/***********************************************************************
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* THREAD_Start
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*
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* Start execution of a newly created thread. Does not return.
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*/
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static void CALLBACK THREAD_Start( void *ptr )
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{
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struct new_thread_info *info = ptr;
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LPTHREAD_START_ROUTINE func = info->func;
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void *arg = info->arg;
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RtlFreeHeap( GetProcessHeap(), 0, info );
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if (TRACE_ON(relay))
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DPRINTF("%04lx:Starting thread (entryproc=%p)\n", GetCurrentThreadId(), func );
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__TRY
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{
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MODULE_DllThreadAttach( NULL );
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ExitThread( func( arg ) );
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}
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__EXCEPT(UnhandledExceptionFilter)
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{
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TerminateThread( GetCurrentThread(), GetExceptionCode() );
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}
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__ENDTRY
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}
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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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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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struct new_thread_info *info;
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if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*info) )))
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{
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SetLastError( ERROR_NOT_ENOUGH_MEMORY );
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return 0;
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}
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info->func = start;
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info->arg = param;
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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( GetCurrentProcess(), NULL, (flags & CREATE_SUSPENDED) != 0,
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NULL, stack_reserve, stack_commit,
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THREAD_Start, info, &handle, &client_id );
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if (status == STATUS_SUCCESS)
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{
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if (id) *id = (DWORD)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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}
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else
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{
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RtlFreeHeap( GetProcessHeap(), 0, info );
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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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HANDLE ret = 0;
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SERVER_START_REQ( open_thread )
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{
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req->tid = dwThreadId;
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req->access = dwDesiredAccess;
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req->inherit = bInheritHandle;
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if (!wine_server_call_err( req )) ret = reply->handle;
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}
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SERVER_END_REQ;
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return ret;
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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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LdrShutdownThread();
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RtlAcquirePebLock();
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RemoveEntryList( &NtCurrentTeb()->TlsLinks );
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RtlReleasePebLock();
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SYSDEPS_ExitThread( 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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BOOL ret;
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SERVER_START_REQ( set_thread_info )
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{
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req->handle = hthread;
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req->priority = priority;
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req->mask = SET_THREAD_INFO_PRIORITY;
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ret = !wine_server_call_err( req );
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}
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SERVER_END_REQ;
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return ret;
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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 WINAPI SetThreadAffinityMask( HANDLE hThread, DWORD dwThreadAffinityMask )
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{
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DWORD ret;
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SERVER_START_REQ( set_thread_info )
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{
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req->handle = hThread;
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req->affinity = dwThreadAffinityMask;
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req->mask = SET_THREAD_INFO_AFFINITY;
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ret = !wine_server_call_err( req );
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/* FIXME: should return previous value */
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}
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SERVER_END_REQ;
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return ret;
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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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* 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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BOOL ret = TRUE;
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if (creationtime || exittime)
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{
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/* We need to do a server call to get the creation time or exit time */
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/* This works on any thread */
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SERVER_START_REQ( get_thread_info )
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{
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req->handle = thread;
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req->tid_in = 0;
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if ((ret = !wine_server_call_err( req )))
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{
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if (creationtime)
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RtlSecondsSince1970ToTime( reply->creation_time, (LARGE_INTEGER*)creationtime );
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if (exittime)
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RtlSecondsSince1970ToTime( reply->exit_time, (LARGE_INTEGER*)exittime );
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}
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}
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SERVER_END_REQ;
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}
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if (ret && (kerneltime || usertime))
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{
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/* We call times(2) for kernel time or user time */
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/* We can only (portably) do this for the current thread */
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if (thread == GetCurrentThread())
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{
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ULONGLONG time;
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struct tms time_buf;
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long clocks_per_sec = sysconf(_SC_CLK_TCK);
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times(&time_buf);
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if (kerneltime)
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{
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time = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
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kerneltime->dwHighDateTime = time >> 32;
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kerneltime->dwLowDateTime = (DWORD)time;
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}
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if (usertime)
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{
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time = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
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usertime->dwHighDateTime = time >> 32;
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usertime->dwLowDateTime = (DWORD)time;
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}
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}
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else
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{
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if (kerneltime) kerneltime->dwHighDateTime = kerneltime->dwLowDateTime = 0;
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if (usertime) usertime->dwHighDateTime = usertime->dwLowDateTime = 0;
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FIXME("Cannot get kerneltime or usertime of other threads\n");
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}
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}
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return ret;
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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%08lx,%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%08lx,%d): stub\n", threadId, boost);
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}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetCurrentThread [KERNEL32.@] Gets pseudohandle for current thread
|
|
*
|
|
* RETURNS
|
|
* Pseudohandle for the current thread
|
|
*/
|
|
#undef GetCurrentThread
|
|
HANDLE WINAPI GetCurrentThread(void)
|
|
{
|
|
return (HANDLE)0xfffffffe;
|
|
}
|
|
|
|
|
|
#ifdef __i386__
|
|
|
|
/***********************************************************************
|
|
* SetLastError (KERNEL.147)
|
|
* SetLastError (KERNEL32.@)
|
|
*/
|
|
/* void WINAPI SetLastError( DWORD error ); */
|
|
__ASM_GLOBAL_FUNC( SetLastError,
|
|
"movl 4(%esp),%eax\n\t"
|
|
".byte 0x64\n\t"
|
|
"movl %eax,0x60\n\t"
|
|
"ret $4" );
|
|
|
|
/***********************************************************************
|
|
* GetLastError (KERNEL.148)
|
|
* GetLastError (KERNEL32.@)
|
|
*/
|
|
/* DWORD WINAPI GetLastError(void); */
|
|
__ASM_GLOBAL_FUNC( GetLastError, ".byte 0x64\n\tmovl 0x60,%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.
|
|
*/
|
|
void WINAPI SetLastError( DWORD error ) /* [in] Per-thread error code */
|
|
{
|
|
NtCurrentTeb()->last_error = error;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* GetLastError (KERNEL.148)
|
|
* GetLastError (KERNEL32.@)
|
|
*
|
|
* Returns last-error code.
|
|
*/
|
|
DWORD WINAPI GetLastError(void)
|
|
{
|
|
return NtCurrentTeb()->last_error;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetCurrentProcessId (KERNEL.471)
|
|
* GetCurrentProcessId (KERNEL32.@)
|
|
*
|
|
* Returns process identifier.
|
|
*/
|
|
DWORD WINAPI GetCurrentProcessId(void)
|
|
{
|
|
return (DWORD)NtCurrentTeb()->ClientId.UniqueProcess;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetCurrentThreadId (KERNEL.462)
|
|
* GetCurrentThreadId (KERNEL32.@)
|
|
*
|
|
* Returns thread identifier.
|
|
*/
|
|
DWORD WINAPI GetCurrentThreadId(void)
|
|
{
|
|
return (DWORD)NtCurrentTeb()->ClientId.UniqueThread;
|
|
}
|
|
|
|
#endif /* __i386__ */
|