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 1997 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1988 AT&T */
28 /* All Rights Reserved */
29
30 /*
31 * University Copyright- Copyright (c) 1982, 1986, 1988
32 * The Regents of the University of California
33 * All Rights Reserved
34 *
35 * University Acknowledgment- Portions of this document are derived from
36 * software developed by the University of California, Berkeley, and its
37 * contributors.
38 */
39
40 /*LINTLIBRARY*/
41
42 #include <sys/types.h>
43 #include <stdlib.h>
44 #include <signal.h>
45 #include "curses_inc.h"
46
47
48 /* handle stop and start signals */
49
50 #ifdef SIGTSTP
51 void
_tstp(int dummy)52 _tstp(int dummy)
53 {
54 #ifdef DEBUG
55 if (outf)
56 (void) fflush(outf);
57 #endif /* DEBUG */
58 curscr->_attrs = A_ATTRIBUTES;
59 (void) endwin();
60 (void) fflush(stdout);
61 (void) kill(0, SIGTSTP);
62 (void) signal(SIGTSTP, _tstp);
63 (void) fixterm();
64 /* changed ehr3 SP->doclear = 1; */
65 curscr->_clear = TRUE;
66 (void) wrefresh(curscr);
67 }
68 #endif /* SIGTSTP */
69
70 void
_ccleanup(int signo)71 _ccleanup(int signo)
72 {
73 (void) signal(signo, SIG_IGN);
74
75 /*
76 * Fake curses into thinking that all attributes are on so that
77 * endwin will turn them off since the < BREAK > key may have
78 * interrupted the sequence to turn them off.
79 */
80
81 curscr->_attrs = A_ATTRIBUTES;
82 (void) endwin();
83 #ifdef DEBUG
84 fprintf(stderr, "signal %d caught. quitting.\n", signo);
85 #endif /* DEBUG */
86 if (signo == SIGQUIT)
87 (void) abort();
88 else
89 exit(1);
90 }
91