FIX: Some waveform audio functions may not be returned when they are called by multiple threads at the same time on a Windows Embedded CE 6.0 R3-based device

Article ID: 2676620 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • You have an application that is running on a Windows Embedded CE 6.0 R3-based device.
  • In the application, multiple threads call any of the following waveform audio functions at the same time by using the same audio device handle:
    • waveOutReset
    • waveInReset
    • waveOutClose
    • waveInClose

In this scenario, you may notice that the waveform audio function is not returned in some threads. Additionally, blocking of the function continues indefinitely.

CAUSE

This problem occurs because the implementation of the functions is not thread-safe.

RESOLUTION

Software update information

A supported software update is now available from Microsoft as Windows Embedded CE 6.0 Monthly Update February 2012. In the "File information" section, the package file name contains the product version, the date, the Knowledge Base article number, and the processor type. The package file name format is as follows:
Product version-yymmdd-kbnnnnnn-processor type
For example, Wincepb60-110128-kb2492159-armv4i.msi is the ARMV4i Windows Embedded CE 6.0 Platform Builder fix that is documented in KB article 2492159 and that is contained in the January 2011 monthly update.

To resolve this problem immediately, download this Windows Embedded CE 6.0 Monthly Update from the following Microsoft website.

Microsoft Download Center
Windows Embedded CE 6.0

Prerequisites

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

Restart requirement

After you apply this update, you must perform a clean build of the whole platform. To do this, use one of the following methods:
  • On the Build menu, click Clean Solution, and then click Build Solution.
  • On the Build menu, click Rebuild Solution.
You do not have to restart the computer after you apply this software update.

Update replacement information

This update does not replace any other updates.

File information

The English version of this software update package has the file attributes (or later file attributes) 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 item in Control Panel.
Installer files
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File nameFile sizeDateTime
Wincepb60-120224-kb2676620-mipsiv.msi569,34424-Feb-201219:59
Wincepb60-120224-kb2676620-mipsiv_fp.msi569,34424-Feb-201219:59
Wincepb60-120224-kb2676620-sh4.msi565,24824-Feb-201219:59
Wincepb60-120224-kb2676620-x86.msi557,05624-Feb-201219:59
Wincepb60-120224-kb2676620-armv4i.msi569,34424-Feb-201219:59
Wincepb60-120224-kb2676620-mipsii.msi569,34424-Feb-201219:59
Wincepb60-120224-kb2676620-mipsii_fp.msi569,34424-Feb-201219:59
Files that are included in this update package
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File nameFile sizeDateTimePath
Mmacm.lib26,70822-Feb-201206:33Public\Common\Oak\Lib\Armv4i\Debug
Mmacmui.lib7,55022-Feb-201206:33Public\Common\Oak\Lib\Armv4i\Debug
Mmmix.lib13,57822-Feb-201206:33Public\Common\Oak\Lib\Armv4i\Debug
Mmsnd.lib8,83822-Feb-201206:33Public\Common\Oak\Lib\Armv4i\Debug
Mmwave.lib102,26222-Feb-201206:33Public\Common\Oak\Lib\Armv4i\Debug
Mmacm.lib31,29622-Feb-201206:33Public\Common\Oak\Lib\Armv4i\Retail
Mmacmui.lib7,79022-Feb-201206:33Public\Common\Oak\Lib\Armv4i\Retail
Mmmix.lib15,17422-Feb-201206:33Public\Common\Oak\Lib\Armv4i\Retail
Mmsnd.lib9,24222-Feb-201206:33Public\Common\Oak\Lib\Armv4i\Retail
Mmwave.lib90,40822-Feb-201206:33Public\Common\Oak\Lib\Armv4i\Retail
Mmacm.lib28,30022-Feb-201206:34Public\Common\Oak\Lib\Mipsii\Debug
Mmacmui.lib7,65022-Feb-201206:34Public\Common\Oak\Lib\Mipsii\Debug
Mmmix.lib14,12222-Feb-201206:34Public\Common\Oak\Lib\Mipsii\Debug
Mmsnd.lib8,97822-Feb-201206:34Public\Common\Oak\Lib\Mipsii\Debug
Mmwave.lib102,97422-Feb-201206:34Public\Common\Oak\Lib\Mipsii\Debug
Mmacm.lib32,76222-Feb-201206:34Public\Common\Oak\Lib\Mipsii\Retail
Mmacmui.lib7,90622-Feb-201206:34Public\Common\Oak\Lib\Mipsii\Retail
Mmmix.lib15,65622-Feb-201206:34Public\Common\Oak\Lib\Mipsii\Retail
Mmsnd.lib9,23422-Feb-201206:34Public\Common\Oak\Lib\Mipsii\Retail
Mmwave.lib91,99822-Feb-201206:34Public\Common\Oak\Lib\Mipsii\Retail
Mmacm.lib28,30622-Feb-201206:34Public\Common\Oak\Lib\Mipsii_fp\Debug
Mmacmui.lib7,65622-Feb-201206:34Public\Common\Oak\Lib\Mipsii_fp\Debug
Mmmix.lib14,12822-Feb-201206:34Public\Common\Oak\Lib\Mipsii_fp\Debug
Mmsnd.lib8,98422-Feb-201206:34Public\Common\Oak\Lib\Mipsii_fp\Debug
Mmwave.lib102,99622-Feb-201206:34Public\Common\Oak\Lib\Mipsii_fp\Debug
Mmacm.lib32,77022-Feb-201206:34Public\Common\Oak\Lib\Mipsii_fp\Retail
Mmacmui.lib7,91822-Feb-201206:34Public\Common\Oak\Lib\Mipsii_fp\Retail
Mmmix.lib15,66422-Feb-201206:34Public\Common\Oak\Lib\Mipsii_fp\Retail
Mmsnd.lib9,24222-Feb-201206:34Public\Common\Oak\Lib\Mipsii_fp\Retail
Mmwave.lib92,02622-Feb-201206:34Public\Common\Oak\Lib\Mipsii_fp\Retail
Mmacm.lib29,10022-Feb-201206:34Public\Common\Oak\Lib\Mipsiv\Debug
Mmacmui.lib7,69022-Feb-201206:34Public\Common\Oak\Lib\Mipsiv\Debug
Mmmix.lib14,40222-Feb-201206:34Public\Common\Oak\Lib\Mipsiv\Debug
Mmsnd.lib9,05422-Feb-201206:34Public\Common\Oak\Lib\Mipsiv\Debug
Mmwave.lib104,82222-Feb-201206:34Public\Common\Oak\Lib\Mipsiv\Debug
Mmacm.lib32,76622-Feb-201206:34Public\Common\Oak\Lib\Mipsiv\Retail
Mmacmui.lib7,90622-Feb-201206:34Public\Common\Oak\Lib\Mipsiv\Retail
Mmmix.lib15,65622-Feb-201206:34Public\Common\Oak\Lib\Mipsiv\Retail
Mmsnd.lib9,23422-Feb-201206:34Public\Common\Oak\Lib\Mipsiv\Retail
Mmwave.lib93,35022-Feb-201206:34Public\Common\Oak\Lib\Mipsiv\Retail
Mmacm.lib29,10622-Feb-201206:34Public\Common\Oak\Lib\Mipsiv_fp\Debug
Mmacmui.lib7,69622-Feb-201206:34Public\Common\Oak\Lib\Mipsiv_fp\Debug
Mmmix.lib14,40822-Feb-201206:34Public\Common\Oak\Lib\Mipsiv_fp\Debug
Mmsnd.lib9,06022-Feb-201206:34Public\Common\Oak\Lib\Mipsiv_fp\Debug
Mmwave.lib104,84422-Feb-201206:34Public\Common\Oak\Lib\Mipsiv_fp\Debug
Mmacm.lib32,77422-Feb-201206:34Public\Common\Oak\Lib\Mipsiv_fp\Retail
Mmacmui.lib7,91822-Feb-201206:34Public\Common\Oak\Lib\Mipsiv_fp\Retail
Mmmix.lib15,66422-Feb-201206:34Public\Common\Oak\Lib\Mipsiv_fp\Retail
Mmsnd.lib9,24222-Feb-201206:34Public\Common\Oak\Lib\Mipsiv_fp\Retail
Mmwave.lib93,37822-Feb-201206:34Public\Common\Oak\Lib\Mipsiv_fp\Retail
Mmacm.lib25,99422-Feb-201206:34Public\Common\Oak\Lib\Sh4\Debug
Mmacmui.lib7,50422-Feb-201206:34Public\Common\Oak\Lib\Sh4\Debug
Mmmix.lib13,24222-Feb-201206:34Public\Common\Oak\Lib\Sh4\Debug
Mmsnd.lib8,53622-Feb-201206:34Public\Common\Oak\Lib\Sh4\Debug
Mmwave.lib94,44622-Feb-201206:34Public\Common\Oak\Lib\Sh4\Debug
Mmacm.lib30,84022-Feb-201206:34Public\Common\Oak\Lib\Sh4\Retail
Mmacmui.lib7,77822-Feb-201206:34Public\Common\Oak\Lib\Sh4\Retail
Mmmix.lib14,97222-Feb-201206:34Public\Common\Oak\Lib\Sh4\Retail
Mmsnd.lib8,90622-Feb-201206:34Public\Common\Oak\Lib\Sh4\Retail
Mmwave.lib86,12422-Feb-201206:34Public\Common\Oak\Lib\Sh4\Retail
Mmacm.lib22,61622-Feb-201206:33Public\Common\Oak\Lib\X86\Debug
Mmacmui.lib8,35422-Feb-201206:33Public\Common\Oak\Lib\X86\Debug
Mmmix.lib12,79622-Feb-201206:33Public\Common\Oak\Lib\X86\Debug
Mmsnd.lib9,21022-Feb-201206:33Public\Common\Oak\Lib\X86\Debug
Mmwave.lib87,02022-Feb-201206:33Public\Common\Oak\Lib\X86\Debug
Mmacm.lib26,77822-Feb-201206:33Public\Common\Oak\Lib\X86\Retail
Mmacmui.lib8,60022-Feb-201206:33Public\Common\Oak\Lib\X86\Retail
Mmmix.lib14,27222-Feb-201206:33Public\Common\Oak\Lib\X86\Retail
Mmsnd.lib9,51622-Feb-201206:33Public\Common\Oak\Lib\X86\Retail
Mmwave.lib77,72422-Feb-201206:33Public\Common\Oak\Lib\X86\Retail

REFERENCES

For more information about the waveform audio functions, visit the following Microsoft Developer Network (MSDN) website:
Waveform Audio Functions
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 2676620 - Last Review: March 9, 2012 - Revision: 1.0
APPLIES TO
  • Windows Embedded CE 6.0 R3
Keywords: 
kbqfe kbfix kbpubtypekc kbexpertiseinter kbsurveynew KB2676620

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