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Subject: Re: [boost] Request for interest in the new Synchro library
From: Dmitry Goncharov (dgoncharov_at_[hidden])
Date: 2009-03-10 04:35:58

vicente.botet wrote:
>>> Well all depends, on how the Semaphore::timed_wait is implemented.
>> Exactly. It should be just a call to sem_timedwait() on posix. Other
>> implementations are possible. Anyway, on posix any proper implementation
>> of semaphore::timed_wait() should be more efficient than
>> condition_variable::timed_wait(), because
>> condition_variable::timed_wait() has to lock a mutex in order to return.
> I can use the sem_ family functions where available.
That is, probably, the most correct solution.

> But we need a implementation on the other platforms.
Other platforms should have some implementation of semaphore. On windows
there's CreateSemaphore(), etc.
For some platform which doesn't have semaphores it is possible to
implement one using a pipe.

BR, Dmitry

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