===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/io/tcpf.c,v
retrieving revision 1.39
retrieving revision 1.41
diff -u -p -r1.39 -r1.41
--- OpenXM_contrib2/asir2000/io/tcpf.c	2003/03/07 06:39:57	1.39
+++ OpenXM_contrib2/asir2000/io/tcpf.c	2003/05/23 00:11:58	1.41
@@ -44,7 +44,7 @@
  * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
- * $OpenXM: OpenXM_contrib2/asir2000/io/tcpf.c,v 1.38 2003/03/07 03:12:28 noro Exp $ 
+ * $OpenXM: OpenXM_contrib2/asir2000/io/tcpf.c,v 1.40 2003/03/12 07:56:23 noro Exp $ 
 */
 #include "ca.h"
 #include "parse.h"
@@ -425,17 +425,23 @@ void ox_launch_generic(char *host,char *launcher,char 
 		generate_port(use_unix,server_port_str);
 		if ( !conn_to_serv ) {
 			cs = try_bind_listen(use_unix,control_port_str);
+			if ( cs < 0 ) continue;
 			ss = try_bind_listen(use_unix,server_port_str);
+			if ( ss < 0 ) continue;
 		}
 		spawn_server(host,launcher,server,
 			use_unix,use_ssh,use_x,conn_to_serv,
 				control_port_str,server_port_str);
 		if ( conn_to_serv ) {
 			cs = try_connect(use_unix,host,control_port_str);
+			if ( cs < 0 ) continue;
 			ss = try_connect(use_unix,host,server_port_str);
+			if ( ss < 0 ) continue;
 		} else {
 			cs = try_accept(use_unix,cs);
+			if ( cs < 0 ) continue;
 			ss = try_accept(use_unix,ss);
+			if ( ss < 0 ) continue;
 		}
 	} while ( cs < 0 || ss < 0 );
 
@@ -884,8 +890,11 @@ void Pox_push_local(NODE arg,Obj *rp)
 	int s;
 	struct oLIST dummy;
 	VL vl;
-	int index = QTOS((Q)ARG0(arg));
+	int index;
 
+	if ( !arg )
+		error("ox_push_local : too few arguments.");
+	index = QTOS((Q)ARG0(arg));
 	valid_mctab_index(index);
 	s = m_c_tab[index].c; arg = NEXT(arg);
 
@@ -901,8 +910,11 @@ void Pox_push_local(NODE arg,Obj *rp)
 void Pox_push_cmo(NODE arg,Obj *rp)
 {
 	int s;
-	int index = QTOS((Q)ARG0(arg));
+	int index;
 
+	if ( !arg )
+		error("ox_push_cmo : too few arguments.");
+	index = QTOS((Q)ARG0(arg));
 	valid_mctab_index(index);
 	s = m_c_tab[index].c; arg = NEXT(arg);
 	for ( ; arg; arg = NEXT(arg) )