You need to make all variable access (including libpq, I think) in the
handler threadsafe. The control handler will execute on a different
thread from the main one (see
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc
/base/handlerroutine.asp).
One way to do this could be to have the handler just set an event or a
variable, and then poll this one in the main thread. For more
information about these issues, see recent threads on signal handling on
pgsql-hackers-win32 (which deals with the server, but much the same
issues).
//Magnus
> -----Original Message-----
> From: Ludek Finstrle [mailto:luf@pzkagis.cz]
> Sent: Wednesday, January 14, 2004 1:03 PM
> To: pgsql-patches@postgresql.org
> Subject: [PATCHES] WIN32 psql Ctrl+C support
>
>
> Hello,
>
> I write Ctrl+C support for Win32 psql client. I create diff
> againist CVS snapshoted today.
>
> Comments are welcome
>
> Luf
>
