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In my first ever multi-threaded program, written to run under OS/2 pre-1.0, the only reentrant IO function available was Beep( freq, duration ). So

  1. thread_1 did "beeeb....beeep...beeep";
  2. thread_2 did "beep beep....beep beep";
  3. thread_3 did "bip bip bip....bip bip bip" etc.

You could suspend/resume each of the threads by typing it's thread number on the keyboard.

It wasn't much of a program, but you'd be amazed how many grown men (and women) spent an inordinate amount of time being amused by it:)


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In reply to Re^3: Visualizing bugs by BrowserUk
in thread Visualizing bugs by brian_d_foy

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