diff --git a/ChangeLog b/ChangeLog
index 703d8f2a..043fc184 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+1999-12-22  Martin Baulig  <martin@home-of-linux.org>
+
+	* glibtop.h (glibtop): Added `errno' field.
+
+	* include/glibtop/errors.h
+	(GLIBTOP_ERROR_SERVER_COMM_FAILURE): New error constant.
+	(GLIBTOP_ERROR_NO_SUCH_PROCESS): New error constant.
+
 1999-12-19  Martin Baulig  <martin@home-of-linux.org>
 
 	* include/glibtop/glib-arrays.h: New file.
diff --git a/glibtop.h b/glibtop.h
index 39e5b11f..729780a8 100644
--- a/glibtop.h
+++ b/glibtop.h
@@ -65,6 +65,7 @@ struct _glibtop
 	glibtop_sysdeps required;	/* Required feature list */
 	glibtop_sysdeps wanted;		/* We only want this features */
 	glibtop_server_private *_priv;	/* Private data */
+	unsigned errno;
 };
 
 extern glibtop *glibtop_global_server;
diff --git a/include/glibtop/errors.h b/include/glibtop/errors.h
index 62bd3c6c..048c6086 100644
--- a/include/glibtop/errors.h
+++ b/include/glibtop/errors.h
@@ -37,7 +37,11 @@ BEGIN_LIBGTOP_DECLS
 #define GLIBTOP_ERROR_READONLY_VALUE		4
 #define GLIBTOP_ERROR_SIZE_MISMATCH		5
 
-#define GLIBTOP_MAX_ERROR			6
+#define GLIBTOP_ERROR_SERVER_COMM_FAILURE	6
+
+#define GLIBTOP_ERROR_NO_SUCH_PROCESS		7
+
+#define GLIBTOP_MAX_ERROR			8
 
 char *
 glibtop_get_error_string_l (glibtop *server, unsigned error_number);
diff --git a/lib/errors.c b/lib/errors.c
index 6f73bd0c..ff4d420e 100644
--- a/lib/errors.c
+++ b/lib/errors.c
@@ -31,7 +31,9 @@ const char *glibtop_error_strings[GLIBTOP_MAX_ERROR] = {
     N_("Invalid argument"),
     N_("No such parameter"),
     N_("Attempted to modify a read-only value"),
-    N_("Parameter size mismatch")
+    N_("Parameter size mismatch"),
+    N_("Communication with LibGTop server failed"),
+    N_("No such process")
 };
 
 char *