Re: libpq WSACleanup is not needed - Mailing list pgsql-hackers

From Magnus Hagander
Subject Re: libpq WSACleanup is not needed
Date
Msg-id 49709B6A.5010308@hagander.net
Whole thread Raw
In response to Re: libpq WSACleanup is not needed  (Alvaro Herrera <alvherre@commandprompt.com>)
List pgsql-hackers
Alvaro Herrera wrote:
> Magnus Hagander wrote:
>> Andrew Chernow wrote:
>>> WSACleanup is not really needed during a PQfinish.  Its horribly slow if
>>>  the library ref count is 0 and it actually unloads the winsock library,
>>> adds 225ms to PQfinish.
>>>
>>> Solution:
>>> A) Call WSAStartup once and never clean it up.  When the app dies, so do
>>> the ref counts and winsock is automatically unloaded.
> 
>> If you want to override this behavior today, you can just call
>> WSAStartup() in your application, and it should never happen. Right?
> 
> Or perhaps use _init() and _fini() or the Win32 equivalents?

You are not allowed to call WSAStartup() and WSACleanup() from these,
since they may load/unload DLLs...

I think you can find traces of that in the cvs history if you're
interested :-D

//Magnus



pgsql-hackers by date:

Previous
From: Heikki Linnakangas
Date:
Subject: Re: Hot Standby dev build (v8)
Next
From: Teodor Sigaev
Date:
Subject: Re: Review: B-Tree emulation for GIN