On win32, retry reading when WSARecv returns WSAEWOULDBLOCK. There seem

to be cases when at least Windows 2000 can do this even though select
just indicated that the socket is readable.

Per report and analysis from Cyril VELTER.

diff --git a/src/backend/port/win32/socket.c b/src/backend/port/win32/socket.c
index 328c617c231a7ede4e3c0995a5f9e0b6435bfe2a..4c9d7d27ba370e45bf37fa84fbce3a8e1a488e79 100644 (file)
--- a/src/backend/port/win32/socket.c
+++ b/src/backend/port/win32/socket.c
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/backend/port/win32/socket.c,v 1.10.2.2 2006/10/13 14:00:17 teodor Exp $
+ *       $PostgreSQL: pgsql/src/backend/port/win32/socket.c,v 1.10.2.3 2007/06/04 13:39:34 mha Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -289,6 +289,7 @@ pgwin32_recv(SOCKET s, char *buf, int len, int f)
        int                     r;
        DWORD           b;
        DWORD           flags = f;
+       int             n;
 
        if (pgwin32_poll_signals())
                return -1;