dlls/kernel/change.c

   1 /*
   2  * Win32 file change notification functions
   3  *
   4  * Copyright 1998 Ulrich Weigand
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include "winbase.h"
  27 #include "winerror.h"
  28 #include "wine/windef16.h"
  29 #include "wine/server.h"
  30 #include "wine/debug.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(file);
  33
  34 /****************************************************************************
  35  *              FindFirstChangeNotificationA (KERNEL32.@)
  36  */
  37 HANDLE WINAPI FindFirstChangeNotificationA( LPCSTR lpPathName, BOOL bWatchSubtree,
  38                                             DWORD dwNotifyFilter )
  39 {
  40     HANDLE file, ret = INVALID_HANDLE_VALUE;
  41
  42     TRACE( "%s %d %lx\n", debugstr_a(lpPathName), bWatchSubtree, dwNotifyFilter );
  43
  44     if ((file = CreateFileA( lpPathName, 0, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
  45                              OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0 )) == INVALID_HANDLE_VALUE)
  46         return INVALID_HANDLE_VALUE;
  47
  48     SERVER_START_REQ( create_change_notification )
  49     {
  50         req->handle  = file;
  51         req->subtree = bWatchSubtree;
  52         req->filter  = dwNotifyFilter;
  53         if (!wine_server_call_err( req )) ret = reply->handle;
  54     }
  55     SERVER_END_REQ;
  56     CloseHandle( file );
  57     return ret;
  58 }
  59
  60 /****************************************************************************
  61  *              FindFirstChangeNotificationW (KERNEL32.@)
  62  */
  63 HANDLE WINAPI FindFirstChangeNotificationW( LPCWSTR lpPathName, BOOL bWatchSubtree,
  64                                             DWORD dwNotifyFilter)
  65 {
  66     HANDLE file, ret = INVALID_HANDLE_VALUE;
  67
  68     TRACE( "%s %d %lx\n", debugstr_w(lpPathName), bWatchSubtree, dwNotifyFilter );
  69
  70     if ((file = CreateFileW( lpPathName, 0, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
  71                              OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0 )) == INVALID_HANDLE_VALUE)
  72         return INVALID_HANDLE_VALUE;
  73
  74     SERVER_START_REQ( create_change_notification )
  75     {
  76         req->handle  = file;
  77         req->subtree = bWatchSubtree;
  78         req->filter  = dwNotifyFilter;
  79         if (!wine_server_call_err( req )) ret = reply->handle;
  80     }
  81     SERVER_END_REQ;
  82     CloseHandle( file );
  83     return ret;
  84 }
  85
  86 /****************************************************************************
  87  *              FindNextChangeNotification (KERNEL32.@)
  88  */
  89 BOOL WINAPI FindNextChangeNotification( HANDLE handle )
  90 {
  91     BOOL ret;
  92
  93     TRACE("%p\n",handle);
  94
  95     SERVER_START_REQ( next_change_notification )
  96     {
  97         req->handle = handle;
  98         ret = !wine_server_call_err( req );
  99     }
 100     SERVER_END_REQ;
 101     return ret;
 102 }
 103
 104 /****************************************************************************
 105  *              FindCloseChangeNotification (KERNEL32.@)
 106  */
 107 BOOL WINAPI FindCloseChangeNotification( HANDLE handle )
 108 {
 109     return CloseHandle( handle );
 110 }
 111
 112 /***********************************************************************
 113 *       FileCDR (KERNEL.130)
 114 */
 115 FARPROC16 WINAPI FileCDR16(FARPROC16 x)
 116 {
 117     FIXME("(0x%8x): stub\n", (int) x);
 118     return (FARPROC16)TRUE;
 119 }