ITS#4476 revert connection_write processing back into main thread

servers/slapd/connection.c

@@ -2172,37 +2172,6 @@ static int connection_op_activate( Operation *op )
 	return rc;
 }
 
-#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
-static int connection_write( ber_socket_t s );
-static void *connection_write_thread( void *ctx, void *arg )
-{
-	return (void *)(long)connection_write((long)arg);
-}
-
-int connection_write_activate( ber_socket_t s )
-{
-	int rc;
-
-	/*
-	 * suspend reading on this file descriptor until a connection processing
-	 * thread write data on it. Otherwise the listener thread will repeatedly
-	 * submit the same event on it to the pool.
-	 */
-	slapd_clr_write( s, 0);
-
-	rc = ldap_pvt_thread_pool_submit( &connection_pool,
-		connection_write_thread, (void *)(long)s );
-
-	if( rc != 0 ) {
-		Debug( LDAP_DEBUG_ANY,
-			"connection_write_activate(%d): submit failed (%d)\n",
-			(int) s, rc, 0 );
-	}
-	return rc;
-}
-
-static
-#endif
 int connection_write(ber_socket_t s)
 {
 	Connection *c;
@@ -2210,6 +2179,8 @@ int connection_write(ber_socket_t s)
 
 	assert( connections != NULL );
 
+	slapd_clr_write( s, 0 );
+
 	ldap_pvt_thread_mutex_lock( MCA_GET_CONN_MUTEX( s ) );
 
 	c = connection_get( s );
@@ -2221,9 +2192,6 @@ int connection_write(ber_socket_t s)
 		return -1;
 	}
 
-#ifndef SLAP_LIGHTWEIGHT_DISPATCHER
-	slapd_clr_write( s, 0);
-#endif
 	c->c_n_write++;
 
 	Debug( LDAP_DEBUG_TRACE,

servers/slapd/daemon.c

@@ -1979,9 +1979,6 @@ slapd_daemon_task(
 				"daemon: write active on %d\n",
 				wd, 0, 0 );
 
-#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
-			connection_write_activate( wd );
-#else
 			/*
 			 * NOTE: it is possible that the connection was closed
 			 * and that the stream is now inactive.
@@ -1997,7 +1994,6 @@ slapd_daemon_task(
 					nrfds--;
 				}
 			}
-#endif
 		}
 
 		for ( i = 0; nrfds > 0; i++ ) {
@@ -2105,9 +2101,6 @@ slapd_daemon_task(
 
 					waswrite = 1;
 
-#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
-					connection_write_activate( fd );
-#else
 					/*
 					 * NOTE: it is possible that the connection was closed
 					 * and that the stream is now inactive.
@@ -2117,7 +2110,6 @@ slapd_daemon_task(
 					if ( connection_write( fd ) < 0 ) {
 						continue;
 					}
-#endif
 				}
 				/* If event is a read or an error */
 				if( SLAP_EVENT_IS_READ( i ) || !waswrite ) {

servers/slapd/proto-slap.h

@@ -647,12 +647,11 @@ LDAP_SLAPD_F (const char *) connection_state2str LDAP_P(( int state ))
 	LDAP_GCCATTR((const));
 
 #ifdef SLAP_LIGHTWEIGHT_DISPATCHER
-LDAP_SLAPD_F (int) connection_write_activate LDAP_P((ber_socket_t s));
 LDAP_SLAPD_F (int) connection_read_activate LDAP_P((ber_socket_t s));
 #else
-LDAP_SLAPD_F (int) connection_write LDAP_P((ber_socket_t s));
 LDAP_SLAPD_F (int) connection_read LDAP_P((ber_socket_t s));
 #endif
+LDAP_SLAPD_F (int) connection_write LDAP_P((ber_socket_t s));
 
 LDAP_SLAPD_F (unsigned long) connections_nextid(void);