1 files changed, 100 insertions, 0 deletions
diff --git a/usr/src/cmd/lp/model/drain.output.c b/usr/src/cmd/lp/model/drain.output.c
new file mode 100644
index 0000000000..6a11c4713c
--- /dev/null
+++ b/usr/src/cmd/lp/model/drain.output.c
@@ -0,0 +1,100 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include "termio.h"
+
+/*
+ * The following macro computes the number of seconds to sleep
+ * AFTER waiting for the system buffers to be drained.
+ *
+ * Various choices:
+ *
+ *	- A percentage (perhaps even >100%) of the time it would
+ *	  take to print the printer's buffer. Use this if it appears
+ *	  the printers are affected if the port is closed before they
+ *	  finish printing.
+ *
+ *	- 0. Use this to avoid any extra sleep after waiting for the
+ *	  system buffers to be flushed.
+ *
+ *	- N > 0. Use this to have a fixed sleep after flushing the
+ *	  system buffers.
+ *
+ * The sleep period can be overridden by a single command line argument.
+ */
+			/* 25% of the print-full-buffer time, plus 1 */
+#define LONG_ENOUGH(BUFSZ,CPS)	 (1 + ((250 * BUFSZ) / CPS) / 1000)
+
+extern int		tidbit();
+
+/**
+ ** main()
+ **/
+
+int
+main(int argc, char *argv[])
+{
+	extern char		*getenv();
+
+	short			bufsz	= -1,
+				cps	= -1;
+
+	char			*TERM;
+
+	int			sleep_time	= 0;
+
+
+	/*
+	 * Wait for the output to drain.
+	 */
+	ioctl (1, TCSBRK, (struct termio *)1);
+
+	/*
+	 * Decide how long to sleep.
+	 */
+	if (argc != 2 || (sleep_time = atoi(argv[1])) < 0)
+		if ((TERM = getenv("TERM"))) {
+			tidbit (TERM, "bufsz", &bufsz);
+			tidbit (TERM, "cps", &cps);
+			if (cps > 0 && bufsz > 0)
+				sleep_time = LONG_ENOUGH(bufsz, cps);
+		} else
+			sleep_time = 2;
+
+	/*
+	 * Wait ``long enough'' for the printer to finish
+	 * printing what's in its buffer.
+	 */
+	if (sleep_time)
+		sleep (sleep_time);
+
+	return (0);
+}