Using a Non-Blocking Versions of Win32 Wait Functions

Environment: VC6, NT4/2000/XP

Current implementations of the Win32 wait functions—such as Sleep(), WaitForSingleObject(), and WaitForMultipleObjects()—will block the message pump when called on a window thread. A special case of this is a thread that calls CoInitialize(), resulting in potentially blocking COM method calls to an object. The attached code is a MS VC++ static library project that caters to this problem by using MsgWaitForMultipleObjects to rewrite the functions such that if there are pending messages in the message queue, they are processed during the wait.

Downloads

Download source - 3.28 Kb


Comments

  • Use CoWaitForMultipleHandles

    Posted by Legacy on 08/01/2002 12:00am

    Originally posted by: Dudi Avramov

    There is a good API,called CoWaitForMultipleHandles, that does what you need.
    Read about it.


    Reply
Leave a Comment
  • Your email address will not be published. All fields are required.

Top White Papers and Webcasts

  • It's time high-level executives and IT compliance officers recognize and acknowledge the danger of malicious insiders, an increased attack surface and the potential for breaches caused by employee error or negligence. See why there is extra emphasis on insider threats.

  • Ever-increasing workloads and the challenge of containing costs leave companies conflicted by the need for increased processing capacity while limiting physical expansion. Migration to HP's new generation of increased-density rack-and-blade servers can address growing demands for compute capacity while reducing costly sprawl. Sponsored by: HP and Intel® Xeon® processors Intel, the Intel logo, and Xeon Inside are trademarks of Intel Corporation in the U.S. and/or other countries. HP is the sponsor …

Most Popular Programming Stories

More for Developers

Latest Developer Headlines

RSS Feeds