Re: Compiling libpq with VisualC

Manfred Spraul wrote:
> Andreas Pflug wrote:
>
> > I don't really think so. That mutex_initialized is a globally static
> > variable, not a thread local one. Thread interruption between testing
> > mutex_initialized and setting it is very unlikely and still wouldn't
> > do much harm if it actually does happen.
> >
> Very unlikely is not a good argument. And you haven't considered
> multiprocessor systems. They aren't that rare: all newer Pentium 4
> systems have two logical cores.
> The harm would be a failed connection attempt - I don't think that this
> is acceptable.

Agreed. My pthread book says pthread_mutex_init() should be called only
once, and we have to guarantee that. If the Windows implentation allows
it to be called multiple times, just create a function to be called only
by Win32 that does that and leave the Unix safe.

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