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From: Ludovic Brenta <ludovic@ludovic-brenta.org>
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Subject: Re: Does GNAT support a thread-free RTS?
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Date: 2011-09-12T00:19:00-07:00
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J-P. Rosen wrote on comp.lang.ada:
> Simon Wright a =E9crit :
>> It used to be that you could configure GNAT to use a tasking RTS that
>> didn't use threads; tasks were scheduled entirely within the RTS. I
>> think these may be called 'green threads'[1]. Of course, this meant that
>> blocking on I/O would block the whole program, but for some purposes it
>> might be ideal.
>
> No, it used the FSU threads

The FSU threads library was a kind of green threads.  The GNAT User's
Guide of GCC 3.4 used to say: "The FSU threads package operates with
all Ada tasks
appearing to the system to be a single thread."

--
Ludovic Brenta.
The human resources streamline the executive talents, while the
Quality Research results in a SWOT analysis from the get-go.