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From: Mats Weber <Mats.Weber@elca-matrix.ch>
Subject: Re: Tasks and C/C++ code.
Date: 1998/11/19
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Date: 1998-11-19T00:00:00+00:00
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Samuel Tardieu wrote:
> 
> >>>>> "David" == dbotton  <dbotton@hotmail.com> writes:
> 
> David> I think it would be practical to create a protected type that
> David> wrapped your C function to insure that it is not be run
> David> concurrently (if it isn't safe). If it's safe then just call it
> David> as you would any other Ada Procedure/Function.
> 
> You can't do that for abitraries C functions: it must not contain any
> potentially blocking code.

Why not ? If the C function is potentially blocking _and_ non-reentrant
(as is gethostbyname for example, which can take some time), then it's
the only option.