From: Dave Hart <hart@ntp.org>
Date: Tue, 24 Mar 2009 15:14:36 +0000 (+0000)
Subject: ntp_iocompletionport.c:
X-Git-Tag: NTP_4_2_4P7_RC1~5^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=65a164852cc728809a521ccec3ac23514abc6254;p=thirdparty%2Fntp.git

ntp_iocompletionport.c:
  use one receive per socket to avoid Win2000 afd.sys bugcheck 0x76

bk: 49c8f8dc9Iy3ZkOklCm7MOS4oEPZMQ
---

diff --git a/ports/winnt/ntpd/ntp_iocompletionport.c b/ports/winnt/ntpd/ntp_iocompletionport.c
index 7c7ec3b67..7aed7f2b7 100644
--- a/ports/winnt/ntpd/ntp_iocompletionport.c
+++ b/ports/winnt/ntpd/ntp_iocompletionport.c
@@ -645,7 +645,16 @@ io_completion_port_add_socket(SOCKET fd, struct interface *inter)
 		}
 	}
 
-#define WINDOWS_RECVS_PER_SOCKET 4
+	/*
+	 * Windows 2000 bluescreens with bugcheck 0x76
+	 * PROCESS_HAS_LOCKED_PAGES at ntpd process
+	 * termination when using more than one pending
+	 * receive per socket.  A runtime version test
+	 * would allow using more on newer versions
+	 * of Windows.
+	 */
+
+#define WINDOWS_RECVS_PER_SOCKET 1
 
 	for (n = 0; n < WINDOWS_RECVS_PER_SOCKET; n++) {