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 "wine/server.h"
  21 #include "debugtools.h"
  22
  23 DEFAULT_DEBUG_CHANNEL(file);
  24
  25 /****************************************************************************
  26  *              FindFirstChangeNotificationA (KERNEL32.@)
  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( create_change_notification )
  36     {
  37         req->subtree = bWatchSubtree;
  38         req->filter  = dwNotifyFilter;
  39         if (!SERVER_CALL_ERR()) ret = req->handle;
  40     }
  41     SERVER_END_REQ;
  42     return ret;
  43 }
  44
  45 /****************************************************************************
  46  *              FindFirstChangeNotificationW (KERNEL32.@)
  47  */
  48 HANDLE WINAPI FindFirstChangeNotificationW( LPCWSTR lpPathName,
  49                                                 BOOL bWatchSubtree,
  50                                                 DWORD dwNotifyFilter)
  51 {
  52     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, lpPathName );
  53     HANDLE ret = FindFirstChangeNotificationA( nameA, bWatchSubtree,
  54                                                           dwNotifyFilter );
  55     if (nameA) HeapFree( GetProcessHeap(), 0, nameA );
  56     return ret;
  57 }
  58
  59 /****************************************************************************
  60  *              FindNextChangeNotification (KERNEL32.@)
  61  */
  62 BOOL WINAPI FindNextChangeNotification( HANDLE handle )
  63 {
  64     /* FIXME: do something */
  65     return TRUE;
  66 }
  67
  68 /****************************************************************************
  69  *              FindCloseChangeNotification (KERNEL32.@)
  70  */
  71 BOOL WINAPI FindCloseChangeNotification( HANDLE handle)
  72 {
  73     return CloseHandle( handle );
  74 }
  75