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> Yes a "semaphore" is very portable (at least within Unix environments).
> You can also use "flock()" on a file. Another trick is just to create
> and destroy a file as a sort of gate condition.
Creating & deleting files are extremely slow ways of synchronisation.
Measure times in tens, maybe hundreds, of milliseconds.
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Cheers
John Summerfield
http://os2.ami.com.au/os2/ for OS/2 support.
Configuration, networking, combined IBM ftpsites index.
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