Microsoft KB Archive/137193

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BUG: Windows 95 DDEML Faults with Multiple Threads

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Q137193

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The information in this article applies to:


 * Microsoft Win32 Application Programming Interface (API), included with:
 * Microsoft Windows 4.0
 * Microsoft Windows 95

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SYMPTOMS
If an application has multiple threads calling the DDEML APIs simulataneously, warnings may be generated under debug Windows. In cases, the application may fault inside DDEML.

CAUSE
The DDEML library has a bug that can cause re-entrancy problems in certain, high stress conditions.

RESOLUTION
The solution is to have the calling application serialize access to DDEML using a critical section.

STATUS
Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Additional query words: 4.00 win95fest

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Issue type :

Technology : kbAudDeveloper kbWin32sSearch kbWin32API