From b40e40ec3c521518c59dc44d5ed3c255712dd6af Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
Date: Wed, 11 Dec 2002 18:36:02 +0000
Subject: [PATCH] undef CONNECTION_INPUT_LOOP, use DATA_READY_LOOP. Seems to
 help prevent hangs in heavy load situations.

---
 servers/slapd/connection.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/servers/slapd/connection.c b/servers/slapd/connection.c
index 8dbf0e63d7..9a18de7bd1 100644
--- a/servers/slapd/connection.c
+++ b/servers/slapd/connection.c
@@ -1227,17 +1227,21 @@ int connection_read(ber_socket_t s)
 	}
 #endif
 
-#define CONNECTION_INPUT_LOOP 1
+/* #define CONNECTION_INPUT_LOOP 1 */
+#define	DATA_READY_LOOP 1
 
-#ifdef DATA_READY_LOOP
-	while( !rc && ber_sockbuf_ctrl( c->c_sb, LBER_SB_DATA_READY, NULL ) )
-#elif CONNECTION_INPUT_LOOP
-	while(!rc)
-#endif
+	do
 	{
 		/* How do we do this without getting into a busy loop ? */
 		rc = connection_input( c );
 	}
+#ifdef DATA_READY_LOOP
+	while( !rc && ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DATA_READY, NULL ) );
+#elif CONNECTION_INPUT_LOOP
+	while(!rc);
+#else
+	while(0);
+#endif
 
 	if( rc < 0 ) {
 #ifdef NEW_LOGGING
-- 
2.39.5