FIX: GetDiskFreeSpaceEx function may return an incorrect value (843620)



The information in this article applies to:

  • Microsoft Windows CE .NET 4.2

SYMPTOMS

When an application calls the GetDiskFreeSpaceEx function to determine the free disk space on a File Allocation Table (FAT) volume or on a transaction-safe FAT (TFAT) volume, the return value may be different when the GetDiskFreeSpaceEx function is called from different threads.

RESOLUTION

Software update information

A supported software update is now available from Microsoft as Windows CE 4.2 Core OS QFE 843620. To resolve this problem immediately, click the following article number for information about obtaining Windows CE Platform Builder and core operating system software updates:

837392 How to locate core operating system fixes for Microsoft Windows CE Platform Builder products

Prerequisites

This update is supported only if all previously issued updates for this product have also been installed.

Restart requirement

After you install this update, you must perform a clean build of the whole operating system. To perform a clean build of the operating system, follow these steps:
  1. On the Build menu, click Clean.
  2. On the Build menu, click Build Platform.
You do not have to restart your computer after you apply this update.

Update replacement information

This update does not replace any other updates.

File information

The English version of this update has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version            Size    File name
   --------------------------------------------------------------


   21-Jun-2004  21:34  4.2.4.621       1,305,336  Wincepb42-040621-kb843620-armv4.exe  
   21-Jun-2004  21:34  4.2.4.621       1,305,336  Wincepb42-040621-kb843620-armv4i.exe  
   21-Jun-2004  21:34  4.2.4.621       1,342,200  Wincepb42-040621-kb843620-mipsii.exe  
   21-Jun-2004  21:34  4.2.4.621       1,342,200  Wincepb42-040621-kb843620-mipsii_fp.exe  
   21-Jun-2004  21:34  4.2.4.621       1,362,680  Wincepb42-040621-kb843620-mipsiv.exe  
   21-Jun-2004  21:34  4.2.4.621       1,362,680  Wincepb42-040621-kb843620-mipsiv_fp.exe  
   21-Jun-2004  21:34  4.2.4.621       1,252,088  Wincepb42-040621-kb843620-sh3.exe  
   21-Jun-2004  21:34  4.2.4.621       1,252,088  Wincepb42-040621-kb843620-sh4.exe  
   21-Jun-2004  21:34  4.2.4.621       1,153,784  Wincepb42-040621-kb843620-x86.exe  
The English version of this package has the file attributes (or later) that are listed in the following table.
   Date         Time   Version            Size    File name
   --------------------------------------------------------------

   Path: Public\Common\Oak\Lib\Armv4\Debug
   04-Jun-2004  22:34                    650,710  Fatfsd.lib
   04-Jun-2004  22:34                    736,028  Tfat.lib

   Path: Public\Common\Oak\Lib\Armv4\Retail
   04-Jun-2004  22:33                    373,500  Fatfsd.lib
   04-Jun-2004  22:33                    414,434  Tfat.lib

   Path: Public\Common\Oak\Lib\Armv4i\Debug
   04-Jun-2004  22:34                    651,374  Fatfsd.lib
   04-Jun-2004  22:34                    736,820  Tfat.lib

   Path: Public\Common\Oak\Lib\Armv4i\Retail
   04-Jun-2004  22:34                    373,922  Fatfsd.lib
   04-Jun-2004  22:34                    414,920  Tfat.lib

   Path: Public\Common\Oak\Lib\Mipsii\Debug
   04-Jun-2004  22:34                    665,614  Fatfsd.lib
   04-Jun-2004  22:35                    750,520  Tfat.lib

   Path: Public\Common\Oak\Lib\Mipsii\Retail
   04-Jun-2004  22:34                    381,730  Fatfsd.lib
   04-Jun-2004  22:34                    422,992  Tfat.lib

   Path: Public\Common\Oak\Lib\Mipsii_fp\Debug
   04-Jun-2004  22:35                    665,750  Fatfsd.lib
   04-Jun-2004  22:35                    750,608  Tfat.lib

   Path: Public\Common\Oak\Lib\Mipsii_fp\Retail
   04-Jun-2004  22:35                    381,870  Fatfsd.lib
   04-Jun-2004  22:35                    423,142  Tfat.lib

   Path: Public\Common\Oak\Lib\Mipsiv\Debug
   04-Jun-2004  22:35                    673,972  Fatfsd.lib
   04-Jun-2004  22:35                    760,786  Tfat.lib

   Path: Public\Common\Oak\Lib\Mipsiv\Retail
   04-Jun-2004  22:35                    384,504  Fatfsd.lib
   04-Jun-2004  22:35                    426,550  Tfat.lib

   Path: Public\Common\Oak\Lib\Mipsiv_fp\Debug
   04-Jun-2004  22:36                    674,108  Fatfsd.lib
   04-Jun-2004  22:36                    760,874  Tfat.lib

   Path: Public\Common\Oak\Lib\Mipsiv_fp\Retail
   04-Jun-2004  22:36                    384,642  Fatfsd.lib
   04-Jun-2004  22:36                    426,702  Tfat.lib

   Path: Public\Common\Oak\Lib\Sh3\Debug
   04-Jun-2004  22:36                    571,466  Fatfsd.lib
   04-Jun-2004  22:36                    644,130  Tfat.lib

   Path: Public\Common\Oak\Lib\Sh3\Retail
   04-Jun-2004  22:36                    347,604  Fatfsd.lib
   04-Jun-2004  22:36                    384,140  Tfat.lib

   Path: Public\Common\Oak\Lib\Sh4\Debug
   04-Jun-2004  22:37                    571,120  Fatfsd.lib
   04-Jun-2004  22:37                    643,760  Tfat.lib

   Path: Public\Common\Oak\Lib\Sh4\Retail
   04-Jun-2004  22:37                    346,820  Fatfsd.lib
   04-Jun-2004  22:37                    383,314  Tfat.lib

   Path: Public\Common\Oak\Lib\X86\Debug
   04-Jun-2004  22:33                    557,798  Fatfsd.lib
   04-Jun-2004  22:33                    629,244  Tfat.lib

   Path: Public\Common\Oak\Lib\X86\Retail
   04-Jun-2004  22:33                    307,928  Fatfsd.lib
   04-Jun-2004  22:33                    340,432  Tfat.lib

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Modification Type:MinorLast Reviewed:5/27/2005
Keywords:kbBug kbfix kbQFE KB843620 kbAudOEM