(dump_connections): If the rename of the file fails with ENOENT, retry

	it a few times before giving up.  This is an attempt to work
	around an automount problem on the Xenofarm at Lysator.

src/server/connections.c

 /*
- * $Id: connections.c,v 0.126 2003/08/22 08:53:14 ceder Exp $
+ * $Id: connections.c,v 0.127 2003/08/22 09:01:03 ceder Exp $
  * Copyright (C) 1991-2002  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -591,6 +591,8 @@ dump_connections(void)
     Session_no s;
     Connection *conn;
     FILE *fp;
+    int retry;
+    int rv;
 
     if ((fp = i_fopen(param.connection_status_file_tmp, "w")) == NULL)
     {
@@ -619,15 +621,29 @@ dump_connections(void)
 		strerror(errno));
     }
 
-    errno = 0;
-    if (i_rename(param.connection_status_file_tmp,
-		 param.connection_status_file) < 0)
+    for (retry = 0; ; retry++)
     {
-	kom_log("dump_connections(): can't rename %s to %s: %s\n",
-		param.connection_status_file_tmp,
-		param.connection_status_file,
-		strerror(errno));
+	rv = i_rename(param.connection_status_file_tmp,
+		      param.connection_status_file);
+	if (rv == 0)
+	    break;
+
+	if (errno != ENOENT || retry > 5)
+	{
+	    kom_log("dump_connections():"
+		    " can't rename %s to %s: %s (retry=%d)\n",
+		    param.connection_status_file_tmp,
+		    param.connection_status_file,
+		    strerror(errno),
+		    retry);
+	}
+
+	if (retry > 3)
+	    sleep(1);
     }
+
+    if (retry != 0)
+	kom_log("dump_connections(): rename OK on try %d\n", retry);
 }