prevent multiplexing Windows kernel event objects we listen for across various sockets - should fix the occasional stats test regression failures we see.

This commit is contained in:
Andrew Dunstan 2006-07-29 19:55:18 +00:00
parent 6dd2b7728b
commit 497d39d768

View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/port/win32/socket.c,v 1.11 2006/03/05 15:58:35 momjian Exp $
* $PostgreSQL: pgsql/src/backend/port/win32/socket.c,v 1.12 2006/07/29 19:55:18 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -106,6 +106,7 @@ int
pgwin32_waitforsinglesocket(SOCKET s, int what)
{
static HANDLE waitevent = INVALID_HANDLE_VALUE;
static SOCKET current_socket = -1;
HANDLE events[2];
int r;
@ -121,6 +122,15 @@ pgwin32_waitforsinglesocket(SOCKET s, int what)
ereport(ERROR,
(errmsg_internal("Failed to reset socket waiting event: %i", (int) GetLastError())));
/*
* make sure we don't multiplex this kernel event object with a different
* socket from a previous call
*/
if (current_socket != s && current_socket != -1)
WSAEventSelect(current_socket, waitevent, 0);
current_socket = s;
if (WSAEventSelect(s, waitevent, what) == SOCKET_ERROR)
{