Обсуждение: Win32 libpq and ecpg thread safety

Hi,

Is there a paragraph in the document talking about this? I've tried to look
into it, but can't find it. Can anybody point me to it?

Thanks,
Qingqing

Qingqing Zhou wrote:
> Hi,
>
> Is there a paragraph in the document talking about this? I've tried to look
> into it, but can't find it. Can anybody point me to it?

Well, libpq has a section:

    http://candle.pha.pa.us/main/writings/pgsql/sgml/libpq-threading.html

I don't see a thread section for ecpg, but I see several mentions of
threading in ecpg.sgml.

If you are asking about Win32-specific threading, there is no
documentation about it because it works just like Unix threading.  At
least, that is what I am told.

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

On Wed, 26 Oct 2005, Bruce Momjian wrote:
>
> If you are asking about Win32-specific threading, there is no
> documentation about it because it works just like Unix threading.  At
> least, that is what I am told.
>

So both libpq and ecpg are thread-safe in Win32? I look into the code,
seems at least ecpg is not, and there is some possible improvements of
libpq (esp. PTHREAD_MUTEX_INITIALIZER).

Regards,
Qingqing

Qingqing Zhou wrote:
>
>
>
> On Wed, 26 Oct 2005, Bruce Momjian wrote:
> >
> > If you are asking about Win32-specific threading, there is no
> > documentation about it because it works just like Unix threading.  At
> > least, that is what I am told.
> >
>
> So both libpq and ecpg are thread-safe in Win32? I look into the code,
> seems at least ecpg is not, and there is some possible improvements of
> libpq (esp. PTHREAD_MUTEX_INITIALIZER).

As far as I know, both are thread safe, except you have to read the
documention limitations for both of them.  If you have improvements, we
would love to see them.

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073