Communicating between a parent and its children

Posted by Betamoo on Stack Overflow See other posts from Stack Overflow or by Betamoo
Published on 2010-05-17T12:52:57Z Indexed on 2010/05/17 13:00 UTC
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Newbie question:

On Unix, in a program with a parent and some children:
- How can the parent alert the children efficiently to do some work.. ?
- Or how can the children wait for parent signal to start doing some work?

Thanks

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