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

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This commit is contained in:
Andrew Dunstan 2006-07-29 20:14:40 +00:00
parent 96c5389342
commit c33b809765
1 changed files with 11 additions and 1 deletions
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12
src/backend/port/win32/socket.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/port/win32/socket.c,v 1.8 2004/12/31 22:00:37 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/port/win32/socket.c,v 1.8.4.1 2006/07/29 20:14:40 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 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)
{