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 <stdarg.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winerror.h"
  30 #include "wine/windef16.h"
  31 #include "wine/server.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(file);
  35
  36 /****************************************************************************
  37  *              FindFirstChangeNotificationA (KERNEL32.@)
  38  */
  39 HANDLE WINAPI FindFirstChangeNotificationA( LPCSTR lpPathName, BOOL bWatchSubtree,
  40                                             DWORD dwNotifyFilter )
  41 {
  42     HANDLE file, ret = INVALID_HANDLE_VALUE;
  43
  44     TRACE( "%s %d %lx\n", debugstr_a(lpPathName), bWatchSubtree, dwNotifyFilter );
  45
  46     if ((file = CreateFileA( lpPathName, 0, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
  47                              OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0 )) == INVALID_HANDLE_VALUE)
  48         return INVALID_HANDLE_VALUE;
  49
  50     SERVER_START_REQ( create_change_notification )
  51     {
  52         req->handle  = file;
  53         req->subtree = bWatchSubtree;
  54         req->filter  = dwNotifyFilter;
  55         if (!wine_server_call_err( req )) ret = reply->handle;
  56     }
  57     SERVER_END_REQ;
  58     CloseHandle( file );
  59     return ret;
  60 }
  61
  62 /****************************************************************************
  63  *              FindFirstChangeNotificationW (KERNEL32.@)
  64  */
  65 HANDLE WINAPI FindFirstChangeNotificationW( LPCWSTR lpPathName, BOOL bWatchSubtree,
  66                                             DWORD dwNotifyFilter)
  67 {
  68     HANDLE file, ret = INVALID_HANDLE_VALUE;
  69
  70     TRACE( "%s %d %lx\n", debugstr_w(lpPathName), bWatchSubtree, dwNotifyFilter );
  71
  72     if ((file = CreateFileW( lpPathName, 0, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
  73                              OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0 )) == INVALID_HANDLE_VALUE)
  74         return INVALID_HANDLE_VALUE;
  75
  76     SERVER_START_REQ( create_change_notification )
  77     {
  78         req->handle  = file;
  79         req->subtree = bWatchSubtree;
  80         req->filter  = dwNotifyFilter;
  81         if (!wine_server_call_err( req )) ret = reply->handle;
  82     }
  83     SERVER_END_REQ;
  84     CloseHandle( file );
  85     return ret;
  86 }
  87
  88 /****************************************************************************
  89  *              FindNextChangeNotification (KERNEL32.@)
  90  */
  91 BOOL WINAPI FindNextChangeNotification( HANDLE handle )
  92 {
  93     BOOL ret;
  94
  95     TRACE("%p\n",handle);
  96
  97     SERVER_START_REQ( next_change_notification )
  98     {
  99         req->handle = handle;
 100         ret = !wine_server_call_err( req );
 101     }
 102     SERVER_END_REQ;
 103     return ret;
 104 }
 105
 106 /****************************************************************************
 107  *              FindCloseChangeNotification (KERNEL32.@)
 108  */
 109 BOOL WINAPI FindCloseChangeNotification( HANDLE handle )
 110 {
 111     return CloseHandle( handle );
 112 }
 113
 114 /***********************************************************************
 115 *       FileCDR (KERNEL.130)
 116 */
 117 FARPROC16 WINAPI FileCDR16(FARPROC16 x)
 118 {
 119     FIXME("(0x%8x): stub\n", (int) x);
 120     return (FARPROC16)TRUE;
 121 }