Sweden-Number/dlls/kernel/change.c

110 lines
3.4 KiB
C

/*
* Win32 file change notification functions
*
* Copyright 1998 Ulrich Weigand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include "winbase.h"
#include "winerror.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(file);
/****************************************************************************
* FindFirstChangeNotificationA (KERNEL32.@)
*/
HANDLE WINAPI FindFirstChangeNotificationA( LPCSTR lpPathName, BOOL bWatchSubtree,
DWORD dwNotifyFilter )
{
HANDLE file, ret = INVALID_HANDLE_VALUE;
TRACE( "%s %d %lx\n", debugstr_a(lpPathName), bWatchSubtree, dwNotifyFilter );
if ((file = CreateFileA( lpPathName, 0, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0 )) == INVALID_HANDLE_VALUE)
return INVALID_HANDLE_VALUE;
SERVER_START_REQ( create_change_notification )
{
req->handle = file;
req->subtree = bWatchSubtree;
req->filter = dwNotifyFilter;
if (!wine_server_call_err( req )) ret = reply->handle;
}
SERVER_END_REQ;
CloseHandle( file );
return ret;
}
/****************************************************************************
* FindFirstChangeNotificationW (KERNEL32.@)
*/
HANDLE WINAPI FindFirstChangeNotificationW( LPCWSTR lpPathName, BOOL bWatchSubtree,
DWORD dwNotifyFilter)
{
HANDLE file, ret = INVALID_HANDLE_VALUE;
TRACE( "%s %d %lx\n", debugstr_w(lpPathName), bWatchSubtree, dwNotifyFilter );
if ((file = CreateFileW( lpPathName, 0, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0 )) == INVALID_HANDLE_VALUE)
return INVALID_HANDLE_VALUE;
SERVER_START_REQ( create_change_notification )
{
req->handle = file;
req->subtree = bWatchSubtree;
req->filter = dwNotifyFilter;
if (!wine_server_call_err( req )) ret = reply->handle;
}
SERVER_END_REQ;
CloseHandle( file );
return ret;
}
/****************************************************************************
* FindNextChangeNotification (KERNEL32.@)
*/
BOOL WINAPI FindNextChangeNotification( HANDLE handle )
{
BOOL ret;
TRACE("%p\n",handle);
SERVER_START_REQ( next_change_notification )
{
req->handle = handle;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/****************************************************************************
* FindCloseChangeNotification (KERNEL32.@)
*/
BOOL WINAPI FindCloseChangeNotification( HANDLE handle )
{
return CloseHandle( handle );
}