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Sun Apr 12 12:22:23 1997 Andreas Mohr <100.30936@germany.net> * [files/drive.c] Fixed "no free space" problem with partition sizes between 1 and 2 GB (cluster_sectors may not exceed 0x40). * [windows/msgbox.c] [if1632/user.spec] [include/windows.h] Implemented MessageBoxIndirect16, corrected MSGBOXPARAMS16. * [loader/task.c] DOS environment strings may never exceed 127 chars -> truncate Unix environment strings if necessary. Sun Apr 12 02:51:44 1998 Dimitrie O. Paun <dimi@mail.cs.toronto.edu> * [files/*.c] All fprintf statements were converted to appropriate debug messages. * [tools/find_debug_channels] Updated comments at the beginning of the file. Sat Apr 11 15:27:21 1998 Alexandre Julliard <julliard@lrc.epfl.ch> * [loader/module.c] [loader/task.c] [scheduler/process.c] Moved some code around to prepare the ground for CreateProcess(). * [memory/environ.c] [loader/task.c] Moved Win32 environment strings functions to environ.c. Unified Win16 and Win32 environment management. * [scheduler/handle.c] [scheduler/k32obj.c] [scheduler/*.c] Implemented handle inheritance and DuplicateHandle(). * [scheduler/thread.c] Create a 16-bit stack for all threads. * [windows/dialog.c] Implemented DIALOGEX resource format. Fri Apr 10 20:21:51 1998 Marcus Meissner <marcus@mud.de> * [configure.in][include/acconfig.h][*/*][multimedia/*] Cleaned up the OSS detection stuff, added some more checks for headerfiles/functions. Removed a lot of OS specific #ifdefs. Lots of dependend multimedia cleanups. * [loader/pe_image.c] Enhanced comment, added missing reference count increase. * [ole/compobj.c] Replaced broken StringFromGUID2 by working one. * [misc/winsock.c] SO_LINGER uses unsigned 16 bit in Win16 and Win32, but unsigned int (32bit) for UNIX. * [memory/global.c] Allow realloc for lockcount 1 too. Fri Apr 10 15:27:34 1998 Morten Welinder <terra@diku.dk> * [graphics/x11drv/text.c] Handle control characters in trace. Ignore terminating newline. * [multimedia/init.c] (MULTIMEDIA_Init): Correct allocations. * [tools/examine-relay] Tidy up. * [windows/syscolor.c] Change highlight colour from lightblue to lightgray. This looks correct for menus. Fri Apr 10 01:49:58 1998 Douglas Ridgway <ridgway@winehq.com> * [configure.in] [Make.rules.in] Add check for c2man before using it. Fri Apr 10 02:59:21 1998 Douglas Ridgway <ridgway@winehq.com> * [DEVELOPERS-HINTS] Simple description of adding API calls. * [include/wintypes.h] [include/windows.h] Get rid of Winelib16, avoid declaring some illegal functions in Winelib, add prototypes for some enhanced metafile functions, fix GetTextExtentPoint32 declarations. * [relay32/gdi32.spec] [objects/enhmetafile.c] Cosmetic and functional improvements. * [include/wincon.h] [programs/view/*] Fixes, improved compatibility with native compilers. Thu Apr 9 15:48:49 1998 Ulrich Weigand <weigand@informatik.uni-erlangen.de> * [win32/kernel32.c] Implemented FT_Thunk / FT_Prolog / FT_Exit / FT_PrologPrime. Fixed Common32ThkLS thunk function. * [tools/build.c] [relay32/relay386.c] [if1632/relay.c] Changed relay code to allow register functions to modify stack layout. * [memory/selector.c] Implemented AllocMappedBuffer / FreeMappedBuffer. * [relay32/kernel32.spec] [if1632/kernel.spec] [win32/ordinals.c] Added names for undocumented functions. * [loader/module.c] Bugfix: LoadLibrary16 should *not* silently load 32-bit DLL. Thu Apr 9 03:54:58 1998 Jim Peterson <jspeter@birch.ee.vt.edu> * [windows/keyboard.c] Fix an erroneous test in TranslateAccelerator{16,32} for the end of the accelerator table. Thu Apr 8 20:36:28 1998 Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de> * [misc/crtdll.c] Implement getenv. * [misc/commdlg.c] Make Get[Save/Open]FileName work in most situations. * [misc/lstr.c] Use wvsprintf32A instead of vsprintf in FormatMessage32X * [misc/version] Make NT3.50 a recognised version * [graphics/x11drv/graphics.c] Change the algorithme to draw arcs * [loader/resource.c] Return an empty buffer in LoadString32A if no resource found. * [win32/code_page.c] Try harder to get the right size in MultiByteToWideChar. * [win32/process.c] Call WinExec32 for CreateProcess32A. * [windows/user.c] Install default Int0 Handler in InitApp(). Thu Apr 8 19:29:48 1998 Eric Kohl <ekohl@abo.rhein-zeitung.de> * [misc/imagelist.c] Preliminary fix for drawing selected images. Various improvements. * [controls/progress.c][include/progress.c][include/commctrl.h] Added progress bar messages and styles for IE4.01 (dll version 4.72) compatibility. Fixed led size problem. * [controls/updown.c][include/commctrl.h] Added UDM_GETRANGE32 and UDM_SETRANGE32. * [objects/oembitmaps.c][include/windows.h][include/bitmaps/*] Added Win95 icons and fixed Win95 cursor and restore button bug. Now they should be visible. Sorry!!! * [relay32/comctl32.spec] Added most missing function names. Tue Apr 6 18:48:36 1998 Matthew Becker <mbecker@glasscity.net> * [objects/font.c] [if1632/gdi.spec] GetOutlineTextMetrics: stub * [objects/text.c] GetTextCharset should just call GetTextCharsetInfo. * [misc/mpr.c] [relay32/mpr.spec] WNetCachePassword: stub * [scheduler/thread.c] [relay32/user32.spec] AttachThreadInput: stub Updated documentation. * [objects/palette.c] Updated documentation. Tue Mar 31 17:06:30 1998 James Juran <jrj120@psu.edu> * [*/*.c] Finished fixing USER32 ordinal numbers in function documentation. Mon Mar 30 20:27:38 1998 Morten Welinder <terra@diku.dk> * [misc/debugstr.c] [include/debugstr.h] Moved _dumpstr from relay32/relay386.c. Improved control character handling. * [msdos/int21.c] Implement 215E00 -- get machine name. * [windows/winpos.c] SetWindowPos32: Make an extra sync when mapping managed windows. This makes sure the reconfigure event has been handled. See Mshearts' what's-your-name window. Mon Mar 30 01:13:50 1998 Alexander V. Lukyanov <lav@long.yar.ru> * [Makefile.in] Install includes from TOPSRCDIR.
275 lines
7.5 KiB
C
275 lines
7.5 KiB
C
/*
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* Win32 events
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*
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* Copyright 1998 Alexandre Julliard
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*/
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#include <assert.h>
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#include "windows.h"
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#include "winerror.h"
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#include "k32obj.h"
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#include "process.h"
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#include "thread.h"
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#include "heap.h"
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typedef struct
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{
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K32OBJ header;
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THREAD_QUEUE wait_queue;
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BOOL32 manual_reset;
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BOOL32 signaled;
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} EVENT;
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static BOOL32 EVENT_Signaled( K32OBJ *obj, DWORD thread_id );
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static BOOL32 EVENT_Satisfied( K32OBJ *obj, DWORD thread_id );
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static void EVENT_AddWait( K32OBJ *obj, DWORD thread_id );
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static void EVENT_RemoveWait( K32OBJ *obj, DWORD thread_id );
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static void EVENT_Destroy( K32OBJ *obj );
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const K32OBJ_OPS EVENT_Ops =
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{
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EVENT_Signaled, /* signaled */
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EVENT_Satisfied, /* satisfied */
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EVENT_AddWait, /* add_wait */
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EVENT_RemoveWait, /* remove_wait */
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NULL, /* read */
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NULL, /* write */
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EVENT_Destroy /* destroy */
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};
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/***********************************************************************
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* EVENT_Set
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*
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* Implementation of SetEvent. Used by ExitThread and ExitProcess.
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*/
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void EVENT_Set( K32OBJ *obj )
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{
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EVENT *event = (EVENT *)obj;
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assert( obj->type == K32OBJ_EVENT );
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SYSTEM_LOCK();
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event->signaled = TRUE;
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SYNC_WakeUp( &event->wait_queue, event->manual_reset ? INFINITE32 : 1 );
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SYSTEM_UNLOCK();
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}
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/***********************************************************************
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* EVENT_Create
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*
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* Partial implementation of CreateEvent.
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* Used internally by processes and threads.
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*/
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K32OBJ *EVENT_Create( BOOL32 manual_reset, BOOL32 initial_state )
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{
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EVENT *event;
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SYSTEM_LOCK();
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if ((event = HeapAlloc( SystemHeap, 0, sizeof(*event) )))
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{
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event->header.type = K32OBJ_EVENT;
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event->header.refcount = 1;
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event->wait_queue = NULL;
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event->manual_reset = manual_reset;
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event->signaled = initial_state;
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}
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SYSTEM_UNLOCK();
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return event ? &event->header : NULL;
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}
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/***********************************************************************
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* CreateEvent32A (KERNEL32.156)
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*/
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HANDLE32 WINAPI CreateEvent32A( SECURITY_ATTRIBUTES *sa, BOOL32 manual_reset,
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BOOL32 initial_state, LPCSTR name )
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{
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HANDLE32 handle;
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EVENT *event;
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SYSTEM_LOCK();
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event = (EVENT *)K32OBJ_Create( K32OBJ_EVENT, sizeof(*event),
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name, EVENT_ALL_ACCESS, sa, &handle );
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if (event)
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{
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/* Finish initializing it */
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event->wait_queue = NULL;
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event->manual_reset = manual_reset;
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event->signaled = initial_state;
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K32OBJ_DecCount( &event->header );
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}
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SYSTEM_UNLOCK();
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return handle;
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}
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/***********************************************************************
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* CreateEvent32W (KERNEL32.157)
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*/
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HANDLE32 WINAPI CreateEvent32W( SECURITY_ATTRIBUTES *sa, BOOL32 manual_reset,
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BOOL32 initial_state, LPCWSTR name )
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{
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LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
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HANDLE32 ret = CreateEvent32A( sa, manual_reset, initial_state, nameA );
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if (nameA) HeapFree( GetProcessHeap(), 0, nameA );
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return ret;
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}
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/***********************************************************************
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* OpenEvent32A (KERNEL32.536)
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*/
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HANDLE32 WINAPI OpenEvent32A( DWORD access, BOOL32 inherit, LPCSTR name )
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{
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HANDLE32 handle = 0;
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K32OBJ *obj;
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SYSTEM_LOCK();
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if ((obj = K32OBJ_FindNameType( name, K32OBJ_EVENT )) != NULL)
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{
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handle = HANDLE_Alloc( PROCESS_Current(), obj, access, inherit );
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K32OBJ_DecCount( obj );
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}
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SYSTEM_UNLOCK();
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return handle;
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}
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/***********************************************************************
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* OpenEvent32W (KERNEL32.537)
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*/
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HANDLE32 WINAPI OpenEvent32W( DWORD access, BOOL32 inherit, LPCWSTR name )
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{
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LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
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HANDLE32 ret = OpenEvent32A( access, inherit, nameA );
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if (nameA) HeapFree( GetProcessHeap(), 0, nameA );
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return ret;
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}
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/***********************************************************************
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* PulseEvent (KERNEL32.557)
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*/
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BOOL32 WINAPI PulseEvent( HANDLE32 handle )
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{
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EVENT *event;
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SYSTEM_LOCK();
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if (!(event = (EVENT *)HANDLE_GetObjPtr(PROCESS_Current(), handle,
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K32OBJ_EVENT, EVENT_MODIFY_STATE)))
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{
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SYSTEM_UNLOCK();
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return FALSE;
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}
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event->signaled = TRUE;
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SYNC_WakeUp( &event->wait_queue, event->manual_reset ? INFINITE32 : 1 );
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event->signaled = FALSE;
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K32OBJ_DecCount( &event->header );
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SYSTEM_UNLOCK();
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return TRUE;
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}
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/***********************************************************************
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* SetEvent (KERNEL32.644)
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*/
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BOOL32 WINAPI SetEvent( HANDLE32 handle )
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{
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EVENT *event;
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SYSTEM_LOCK();
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if (!(event = (EVENT *)HANDLE_GetObjPtr(PROCESS_Current(), handle,
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K32OBJ_EVENT, EVENT_MODIFY_STATE)))
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{
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SYSTEM_UNLOCK();
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return FALSE;
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}
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event->signaled = TRUE;
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SYNC_WakeUp( &event->wait_queue, event->manual_reset ? INFINITE32 : 1 );
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K32OBJ_DecCount( &event->header );
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SYSTEM_UNLOCK();
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return TRUE;
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}
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/***********************************************************************
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* ResetEvent (KERNEL32.586)
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*/
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BOOL32 WINAPI ResetEvent( HANDLE32 handle )
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{
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EVENT *event;
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SYSTEM_LOCK();
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if (!(event = (EVENT *)HANDLE_GetObjPtr(PROCESS_Current(), handle,
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K32OBJ_EVENT, EVENT_MODIFY_STATE)))
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{
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SYSTEM_UNLOCK();
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return FALSE;
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}
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event->signaled = FALSE;
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K32OBJ_DecCount( &event->header );
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SYSTEM_UNLOCK();
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return TRUE;
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}
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/***********************************************************************
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* EVENT_Signaled
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*/
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static BOOL32 EVENT_Signaled( K32OBJ *obj, DWORD thread_id )
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{
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EVENT *event = (EVENT *)obj;
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assert( obj->type == K32OBJ_EVENT );
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return event->signaled;
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}
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/***********************************************************************
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* EVENT_Satisfied
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*
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* Wait on this object has been satisfied.
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*/
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static BOOL32 EVENT_Satisfied( K32OBJ *obj, DWORD thread_id )
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{
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EVENT *event = (EVENT *)obj;
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assert( obj->type == K32OBJ_EVENT );
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/* Reset if it's an auto-reset event */
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if (!event->manual_reset) event->signaled = FALSE;
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return FALSE; /* Not abandoned */
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}
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/***********************************************************************
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* EVENT_AddWait
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*
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* Add thread to object wait queue.
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*/
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static void EVENT_AddWait( K32OBJ *obj, DWORD thread_id )
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{
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EVENT *event = (EVENT *)obj;
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assert( obj->type == K32OBJ_EVENT );
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THREAD_AddQueue( &event->wait_queue, THREAD_ID_TO_THDB(thread_id) );
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}
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/***********************************************************************
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* EVENT_RemoveWait
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*
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* Remove thread from object wait queue.
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*/
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static void EVENT_RemoveWait( K32OBJ *obj, DWORD thread_id )
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{
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EVENT *event = (EVENT *)obj;
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assert( obj->type == K32OBJ_EVENT );
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THREAD_RemoveQueue( &event->wait_queue, THREAD_ID_TO_THDB(thread_id) );
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}
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/***********************************************************************
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* EVENT_Destroy
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*/
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static void EVENT_Destroy( K32OBJ *obj )
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{
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EVENT *event = (EVENT *)obj;
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assert( obj->type == K32OBJ_EVENT );
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/* There cannot be any thread on the list since the ref count is 0 */
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assert( event->wait_queue == NULL );
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obj->type = K32OBJ_UNKNOWN;
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HeapFree( SystemHeap, 0, event );
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}
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