Added to TODO:

        o Prevent SSL from sending network packets to avoid interference
          with Win32 signal emulation

          http://archives.postgresql.org/pgsql-hackers/2007-12/msg00455.php


---------------------------------------------------------------------------

Magnus Hagander wrote:
> On Wed, Dec 12, 2007 at 12:30:50AM -0500, Tom Lane wrote:
> > "Trevor Talbot" <[EMAIL PROTECTED]> writes:
> > > On 12/11/07, Tom Lane <[EMAIL PROTECTED]> wrote:
> > >> I dunno anything about how to fix the real problem (what's winsock error
> > >> 10004?),
> > 
> > > WSAEINTR, "A blocking operation was interrupted by a call to
> > > WSACancelBlockingCall."
> > 
> > Oh, then it's exactly the same thing as our bug #2829.
> > 
> > I opined in that thread that OpenSSL was broken because it failed to
> > treat this as a retryable case like EINTR.  But not being much of a
> > Windows person, that might be mere hot air.  Someone with a Windows
> > build environment should try patching OpenSSL to treat WSAEINTR
> > the same as Unix EINTR and see what happens ...
> 
> When I last looked at this (and this was some time ago), I suspected (and
> still do) that the problem is in the interaction between our
> socket-emulation-stuff (for signals) and openssl. I'm not entirely sure,
> but I wanted to rewrite the SSL code so that *our* code is responsible for
> aclling the actuall send()/recv(), and not OpenSSL. This would also fix the
> fact that if an OpenSSL network operation ends up blocking, that process
> can't receive any signals...
> 
> I didn't have time to get this done before feature-freeze though, and I
> beleive the changes are large enough to qualify as such..
> 
> //Magnus
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster

-- 
  Bruce Momjian  <[EMAIL PROTECTED]>        http://momjian.us
  EnterpriseDB                             http://postgres.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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