From: | Tomas Berndtsson <tomas(at)nocrew(dot)org> |
---|---|
To: | Lee Kindness <lkindness(at)csl(dot)co(dot)uk> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: big text field -> message type 0x44 |
Date: | 2002-12-05 16:22:18 |
Message-ID: | 80ptsgbflx.fsf@junk.nocrew.org |
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Lee Kindness <lkindness(at)csl(dot)co(dot)uk> writes:
> Tom Lane writes:
> > Okay, so it seems -D_REENTRANT is the appropriate fix.
> >
> > We could either add that to the template/solaris file, or just add a
> > note to FAQ_Solaris advising that it be added to the configure switches
> > if people intend to use libpq in threaded programs. Is there any
> > cost or downside to just adding it always in template/solaris?
>
> However, _REENTRANT is not a Solarisism... On all (recent) UNIX
> systems it toggles on correct handling for thread specific instances
> of historically global variables (eg errno). It should be considered
> for all platforms if libpq is intended to be used from threaded
> programs.
>
> You'll probably find Tomas's code breaks on Linux too...
Actually, I've tried it in Linux, and it works there. Might be that
the recv() doesn't return -1 when trying again in Linux. In that case,
for this particular problem, it wouldn't matter if it's reentrant or
not.
Tomas
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