Init

usr.lib/libcore/batch.c

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 1986, 1987, 1988, 1989 by Sun Microsystems, Inc.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice are retained, and that the name
+ * of Sun Microsystems, Inc., not be used in advertising or publicity
+ * pertaining to this software without specific, written prior permission.
+ * Sun Microsystems, Inc., makes no representations about the suitability
+ * of this software or the interface defined in this software for any
+ * purpose. It is provided "as is" without express or implied warranty.
+ */
+#ifndef lint
+static char sccsid[] = "@(#)batch.c 1.1 94/10/31 Copyr 1986 Sun Micro";
+#endif
+
+/*
+ * Copyright (c) 1986 by Sun Microsystems, Inc.
+ */
+
+#include "coretypes.h"
+#include "corevars.h"
+
+/*
+ * Denote the beginning of a batch of changes to the picture.
+ */
+begin_batch_of_updates()
+{
+    char *funcname;
+    int errnum;
+
+    funcname = "begin_batch_of_updates";
+
+    if (_core_batchupd) {
+	errnum = 17;
+	_core_errhand(funcname, errnum);
+	return (1);
+    }
+    _core_batchupd = TRUE;
+
+    return (0);
+}
+
+/*
+ * Denote the end of a batch of changes to the picture.
+ */
+end_batch_of_updates()
+{
+    char *funcname;
+    int errnum;
+
+    funcname = "end_batch_of_updates";
+
+    if (!_core_batchupd) {
+	errnum = 18;
+	_core_errhand(funcname, errnum);
+	return (1);
+    }
+    _core_repaint(FALSE); /* newframe() all appropriate surfaces */
+
+
+ /* Eventually should add a drain buffer command to DD when no batch. */
+
+    _core_batchupd = FALSE;
+    return (0);
+}