files/change.c

   1 /*
   2  * Win32 file change notification functions
   3  *
   4  * FIXME: this is VERY difficult to implement with proper Unix support
   5  * at the wineserver side.
   6  * (Unix doesn't really support this)
   7  * See http://x57.deja.com/getdoc.xp?AN=575483053 for possible solutions.
   8  *
   9  * Copyright 1998 Ulrich Weigand
  10  */
  11
  12 #include <assert.h>
  13 #include <stdlib.h>
  14 #include <unistd.h>
  15 #include <string.h>
  16 #include <time.h>
  17 #include "winbase.h"
  18 #include "winerror.h"
  19 #include "heap.h"
  20 #include "server.h"
  21 #include "debugtools.h"
  22
  23 DEFAULT_DEBUG_CHANNEL(file);
  24
  25 /****************************************************************************
  26  *              FindFirstChangeNotificationA (KERNEL32.248)
  27  */
  28 HANDLE WINAPI FindFirstChangeNotificationA( LPCSTR lpPathName, BOOL bWatchSubtree,
  29                                             DWORD dwNotifyFilter )
  30 {
  31     HANDLE ret = INVALID_HANDLE_VALUE;
  32
  33     FIXME("this is not supported yet (non-trivial).\n");
  34
  35     SERVER_START_REQ
  36     {
  37         struct create_change_notification_request *req = server_alloc_req( sizeof(*req), 0 );
  38         req->subtree = bWatchSubtree;
  39         req->filter  = dwNotifyFilter;
  40         if (!server_call( REQ_CREATE_CHANGE_NOTIFICATION )) ret = req->handle;
  41     }
  42     SERVER_END_REQ;
  43     return ret;
  44 }
  45
  46 /****************************************************************************
  47  *              FindFirstChangeNotificationW (KERNEL32.249)
  48  */
  49 HANDLE WINAPI FindFirstChangeNotificationW( LPCWSTR lpPathName,
  50                                                 BOOL bWatchSubtree,
  51                                                 DWORD dwNotifyFilter)
  52 {
  53     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, lpPathName );
  54     HANDLE ret = FindFirstChangeNotificationA( nameA, bWatchSubtree,
  55                                                           dwNotifyFilter );
  56     if (nameA) HeapFree( GetProcessHeap(), 0, nameA );
  57     return ret;
  58 }
  59
  60 /****************************************************************************
  61  *              FindNextChangeNotification (KERNEL32.252)
  62  */
  63 BOOL WINAPI FindNextChangeNotification( HANDLE handle )
  64 {
  65     /* FIXME: do something */
  66     return TRUE;
  67 }
  68
  69 /****************************************************************************
  70  *              FindCloseChangeNotification (KERNEL32.247)
  71  */
  72 BOOL WINAPI FindCloseChangeNotification( HANDLE handle)
  73 {
  74     return CloseHandle( handle );
  75 }
  76