xref: /titanic_51/usr/src/lib/libxcurses/src/libc/xcurses/wtimeout.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1995, by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * wtimeout.c
31  *
32  * XCurses Library
33  *
34  * Copyright 1990, 1994 by Mortice Kern Systems Inc.  All rights reserved.
35  *
36  */
37 
38 #ifdef M_RCSID
39 #ifndef lint
40 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/wtimeout.c 1.1 1995/06/19 16:12:14 ant Exp $";
41 #endif
42 #endif
43 
44 #include <private.h>
45 
46 /*f
47  * Set blocking or non-blocking read for a specified window.
48  * The delay is in milliseconds.
49  */
50 void
51 wtimeout(w, delay)
52 WINDOW *w;
53 int delay;
54 {
55 #ifdef M_CURSES_TRACE
56 	__m_trace("wtimeout(%p, %d)", w, delay);
57 #endif
58 
59 	if (delay < 0) {
60 		/* Blocking mode */
61 		w->_vmin = 1;
62 		w->_vtime = 0;
63 	} else {
64 		/* Non-Block (0 == delay) and delayed (0 < delay) */
65 		w->_vmin = 0;
66 
67 		/* VTIME is in 1/10 of second */
68 		w->_vtime = (delay+50)/100;
69 	}
70 
71 	__m_return_void("wtimeout");
72 }
73 
74