Subj : Re: Question : usage of conditional variables.
To   : comp.programming.threads
From : Markus Elfring
Date : Fri Jun 10 2005 09:03 pm

> My program runs well for a while without predicate(not using a loop),
> but it stops and wait a signal forever at some point.. After adding a
> predicate and checking it before calling pthread_cond_wait(), it runs
> well. But I can't understand why sometimes it works well without
> predicate and sometimes not.. What does the spurious wakeups really
> mean?

Did you read any discussions with the following subjects, for example?
- spurious wakeup
  http://groups.google.de/groups?threadm=40ed1d8f.0411191313.4dff837c@posting.google.com

- Real cause of spurious wakeups
  http://groups.google.de/group/comp.programming.threads/browse_frm/thread/87abe02ffe91004d/9704618a0d9ce43d

Regards,
Markus

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