Re: [boost] Request for interest in the new Synchro library

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