2002-01-23 19:57:51 +03:00
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/* $NetBSD: screenblank.c,v 1.16 2002/01/23 16:57:51 lukem Exp $ */
|
1995-07-12 08:57:47 +04:00
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1996-02-28 04:13:20 +03:00
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/*-
|
2002-01-23 19:57:51 +03:00
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* Copyright (c) 1996-2002 The NetBSD Foundation, Inc.
|
1995-07-12 08:57:47 +04:00
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* All rights reserved.
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*
|
1996-02-28 04:13:20 +03:00
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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*
|
1995-07-12 08:57:47 +04:00
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
|
1996-02-28 04:13:20 +03:00
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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1995-07-12 08:57:47 +04:00
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*
|
1996-02-28 04:13:20 +03:00
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
1997-07-31 02:53:50 +04:00
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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1996-02-28 04:13:20 +03:00
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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1995-07-12 08:57:47 +04:00
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*/
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/*
|
2002-01-23 19:57:51 +03:00
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* Screensaver daemon for the Sun 3 and SPARC, and platforms using WSCONS.
|
1995-07-12 08:57:47 +04:00
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*/
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|
1997-07-24 00:22:48 +04:00
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#include <sys/cdefs.h>
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#ifndef lint
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|
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__COPYRIGHT(
|
2002-01-23 19:57:51 +03:00
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"@(#) Copyright (c) 1996-2002 \
|
1998-12-18 04:15:43 +03:00
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The NetBSD Foundation, Inc. All rights reserved.");
|
2002-01-23 19:57:51 +03:00
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__RCSID("$NetBSD: screenblank.c,v 1.16 2002/01/23 16:57:51 lukem Exp $");
|
1997-07-24 00:22:48 +04:00
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#endif
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|
1995-07-12 08:57:47 +04:00
|
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|
#include <sys/types.h>
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|
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#include <sys/time.h>
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|
|
#include <sys/stat.h>
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|
#include <sys/ioctl.h>
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#include <sys/queue.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <math.h>
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#include <paths.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <signal.h>
|
2001-10-28 04:32:46 +03:00
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#include <syslog.h>
|
1995-07-12 08:57:47 +04:00
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|
#include <unistd.h>
|
1999-06-06 07:27:35 +04:00
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#include <util.h>
|
1995-07-12 08:57:47 +04:00
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|
1998-12-18 04:15:43 +03:00
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|
#include <dev/wscons/wsconsio.h>
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|
#ifdef HAVE_FBIO
|
2001-09-19 20:16:03 +04:00
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#include <dev/sun/fbio.h>
|
1998-12-18 04:15:43 +03:00
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|
#endif
|
1995-07-12 08:57:47 +04:00
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|
#include "pathnames.h"
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|
1998-12-18 04:15:43 +03:00
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|
u_long setvideo = WSDISPLAYIO_SVIDEO; /* "set video" ioctl */
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int videoon = WSDISPLAYIO_VIDEO_ON; /* value for "on" */
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int videooff = WSDISPLAYIO_VIDEO_OFF; /* value for "off" */
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|
1995-07-12 08:57:47 +04:00
|
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|
struct dev_stat {
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|
LIST_ENTRY(dev_stat) ds_link; /* linked list */
|
1998-12-18 04:15:43 +03:00
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const char *ds_path; /* path to device */
|
1995-07-12 08:57:47 +04:00
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|
int ds_isfb; /* boolean; framebuffer? */
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time_t ds_atime; /* time device last accessed */
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|
time_t ds_mtime; /* time device last modified */
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|
};
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|
|
LIST_HEAD(ds_list, dev_stat) ds_list;
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|
2001-10-28 04:32:46 +03:00
|
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|
int main(int, char *[]);
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|
|
static void add_dev(const char *, int);
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|
static void change_state(int);
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|
|
static void cvt_arg(char *, struct timeval *);
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|
static void sighandler(int);
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static void usage(void);
|
1995-07-12 08:57:47 +04:00
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int
|
2001-10-28 04:32:46 +03:00
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main(int argc, char *argv[])
|
1995-07-12 08:57:47 +04:00
|
|
|
{
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|
struct dev_stat *dsp;
|
2001-10-28 04:32:46 +03:00
|
|
|
struct timeval timo_on, timo_off, *tvp, tv;
|
1995-07-12 08:57:47 +04:00
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|
struct sigaction sa;
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|
struct stat st;
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int ch, change, fflag = 0, kflag = 0, mflag = 0, state;
|
1998-12-18 04:15:43 +03:00
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const char *kbd, *mouse, *display;
|
1995-07-12 08:57:47 +04:00
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|
LIST_INIT(&ds_list);
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|
/*
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|
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* Set the default timeouts: 10 minutes on, .25 seconds off.
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|
*/
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|
timo_on.tv_sec = 600;
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|
timo_on.tv_usec = 0;
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timo_off.tv_sec = 0;
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|
timo_off.tv_usec = 250000;
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|
|
|
while ((ch = getopt(argc, argv, "d:e:f:km")) != -1) {
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|
|
switch (ch) {
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|
|
case 'd':
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|
|
cvt_arg(optarg, &timo_on);
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|
break;
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|
case 'e':
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|
cvt_arg(optarg, &timo_off);
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|
break;
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case 'f':
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|
fflag = 1;
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|
add_dev(optarg, 1);
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break;
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case 'k':
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|
if (mflag || kflag)
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usage();
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kflag = 1;
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break;
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case 'm':
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if (kflag || mflag)
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usage();
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mflag = 1;
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break;
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default:
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usage();
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|
}
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|
}
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argc -= optind;
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|
if (argc)
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usage();
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|
1998-12-18 04:15:43 +03:00
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/*
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* Default to WSCONS support.
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*/
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kbd = _PATH_WSKBD;
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mouse = _PATH_WSMOUSE;
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display = _PATH_WSDISPLAY;
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#ifdef HAVE_FBIO
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/*
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|
* If a display device wasn't specified, check to see which we
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* have. If we can't open the WSCONS display, fall back to fbio.
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*/
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|
if (!fflag) {
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int fd;
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if ((fd = open(display, O_RDONLY, 0666)) == -1)
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|
setvideo = FBIOSVIDEO;
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else
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|
(void) close(fd);
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|
}
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|
|
/*
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|
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|
* Do this here so that -f ... args above can influence us.
|
|
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|
*/
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|
|
if (setvideo == FBIOSVIDEO) {
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|
videoon = FBVIDEO_ON;
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videooff = FBVIDEO_OFF;
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|
kbd = _PATH_KEYBOARD;
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mouse = _PATH_MOUSE;
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display = _PATH_FB;
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|
}
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|
#endif
|
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|
|
|
1995-07-12 08:57:47 +04:00
|
|
|
/*
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|
|
|
* Add the keyboard, mouse, and default framebuffer devices
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|
|
|
* as necessary. We _always_ check the console device.
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|
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|
*/
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|
add_dev(_PATH_CONSOLE, 0);
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|
|
if (!kflag)
|
1998-12-18 04:15:43 +03:00
|
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|
add_dev(kbd, 0);
|
1995-07-12 08:57:47 +04:00
|
|
|
if (!mflag)
|
1998-12-18 04:15:43 +03:00
|
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|
add_dev(mouse, 0);
|
1995-07-12 08:57:47 +04:00
|
|
|
if (!fflag)
|
1998-12-18 04:15:43 +03:00
|
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|
add_dev(display, 1);
|
1995-07-12 08:57:47 +04:00
|
|
|
|
|
|
|
/* Ensure that the framebuffer is on. */
|
1998-12-18 04:15:43 +03:00
|
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|
state = videoon;
|
1995-07-12 08:57:47 +04:00
|
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|
change_state(state);
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|
tvp = &timo_on;
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|
|
|
|
|
|
/*
|
|
|
|
* Make sure the framebuffer gets turned back on when we're
|
|
|
|
* killed.
|
|
|
|
*/
|
|
|
|
sa.sa_handler = sighandler;
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|
|
|
sa.sa_flags = SA_NOCLDSTOP;
|
1996-06-24 02:08:43 +04:00
|
|
|
if (sigemptyset(&sa.sa_mask))
|
|
|
|
err(1, "sigemptyset");
|
1995-07-12 08:57:47 +04:00
|
|
|
if (sigaction(SIGINT, &sa, NULL) || sigaction(SIGTERM, &sa, NULL) ||
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|
|
|
sigaction(SIGHUP, &sa, NULL))
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|
|
err(1, "sigaction");
|
|
|
|
|
2001-10-28 04:32:46 +03:00
|
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|
openlog("screenblank", LOG_PID, LOG_DAEMON);
|
1995-07-12 08:57:47 +04:00
|
|
|
/* Detach. */
|
|
|
|
if (daemon(0, 0))
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|
|
|
err(1, "daemon");
|
1999-06-06 07:27:35 +04:00
|
|
|
pidfile(NULL);
|
1995-07-12 08:57:47 +04:00
|
|
|
|
|
|
|
/* Start the state machine. */
|
|
|
|
for (;;) {
|
|
|
|
change = 0;
|
|
|
|
for (dsp = ds_list.lh_first; dsp != NULL;
|
|
|
|
dsp = dsp->ds_link.le_next) {
|
2002-01-23 19:57:51 +03:00
|
|
|
#if 0 /* XXXLUKEM - doesn't make sense for wscons framebuffers */
|
1995-07-12 08:57:47 +04:00
|
|
|
/* Don't check framebuffers. */
|
|
|
|
if (dsp->ds_isfb)
|
|
|
|
continue;
|
2002-01-23 19:57:51 +03:00
|
|
|
#endif
|
2001-10-28 04:32:46 +03:00
|
|
|
if (stat(dsp->ds_path, &st) == -1) {
|
|
|
|
syslog(LOG_CRIT,
|
|
|
|
"Can't stat `%s' (%m)", dsp->ds_path);
|
|
|
|
exit(1);
|
|
|
|
}
|
1995-07-12 08:57:47 +04:00
|
|
|
if (st.st_atime > dsp->ds_atime) {
|
|
|
|
change = 1;
|
|
|
|
dsp->ds_atime = st.st_atime;
|
|
|
|
}
|
|
|
|
if (st.st_mtime > dsp->ds_mtime) {
|
|
|
|
change = 1;
|
|
|
|
dsp->ds_mtime = st.st_mtime;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
1998-12-18 04:15:43 +03:00
|
|
|
if (state == videoon) {
|
1995-07-12 08:57:47 +04:00
|
|
|
if (!change) {
|
1998-12-18 04:15:43 +03:00
|
|
|
state = videooff;
|
1995-07-12 08:57:47 +04:00
|
|
|
change_state(state);
|
|
|
|
tvp = &timo_off;
|
|
|
|
}
|
1998-12-18 04:15:43 +03:00
|
|
|
} else {
|
1995-07-12 08:57:47 +04:00
|
|
|
if (change) {
|
1998-12-18 04:15:43 +03:00
|
|
|
state = videoon;
|
1995-07-12 08:57:47 +04:00
|
|
|
change_state(state);
|
|
|
|
tvp = &timo_on;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2001-10-28 04:32:46 +03:00
|
|
|
tv = *tvp;
|
|
|
|
if (select(0, NULL, NULL, NULL, &tv) == -1)
|
1995-07-12 08:57:47 +04:00
|
|
|
err(1, "select");
|
|
|
|
}
|
|
|
|
/* NOTREACHED */
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-10-28 04:32:46 +03:00
|
|
|
add_dev(const char *path, int isfb)
|
1995-07-12 08:57:47 +04:00
|
|
|
{
|
1998-12-18 04:15:43 +03:00
|
|
|
struct dev_stat *dsp;
|
2001-11-01 22:06:08 +03:00
|
|
|
struct stat sb;
|
1998-12-18 04:15:43 +03:00
|
|
|
|
2001-11-07 01:56:02 +03:00
|
|
|
/* Make sure we can stat the device. */
|
2001-11-01 22:06:08 +03:00
|
|
|
if (stat(path, &sb) == -1) {
|
|
|
|
warn("Can't stat `%s'", path);
|
2001-10-28 04:32:46 +03:00
|
|
|
return;
|
|
|
|
}
|
1998-12-18 04:15:43 +03:00
|
|
|
|
|
|
|
#ifdef HAVE_FBIO
|
|
|
|
/*
|
|
|
|
* We default to WSCONS. If this is a frame buffer
|
|
|
|
* device, check to see if it responds to the old
|
|
|
|
* Sun-style fbio ioctls. If so, switch to fbio mode.
|
|
|
|
*/
|
|
|
|
if (isfb && setvideo != FBIOSVIDEO) {
|
2001-11-01 22:06:08 +03:00
|
|
|
int onoff, fd;
|
1998-12-18 04:15:43 +03:00
|
|
|
|
2001-11-01 22:06:08 +03:00
|
|
|
if ((fd = open(path, O_RDWR, 0666)) == -1) {
|
|
|
|
warn("Can't open `%s'", path);
|
|
|
|
return;
|
|
|
|
}
|
1998-12-18 04:15:43 +03:00
|
|
|
if ((ioctl(fd, FBIOGVIDEO, &onoff)) == 0)
|
|
|
|
setvideo = FBIOSVIDEO;
|
2001-11-01 22:06:08 +03:00
|
|
|
(void)close(fd);
|
1998-12-18 04:15:43 +03:00
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
1995-07-12 08:57:47 +04:00
|
|
|
/* Create the entry... */
|
1998-12-18 04:15:43 +03:00
|
|
|
dsp = malloc(sizeof(struct dev_stat));
|
|
|
|
if (dsp == NULL)
|
2001-10-28 04:32:46 +03:00
|
|
|
err(1, "Can't allocate memory for `%s'", path);
|
|
|
|
(void)memset(dsp, 0, sizeof(struct dev_stat));
|
1998-12-18 04:15:43 +03:00
|
|
|
dsp->ds_path = path;
|
|
|
|
dsp->ds_isfb = isfb;
|
1995-07-12 08:57:47 +04:00
|
|
|
|
|
|
|
/* ...and put it in the list. */
|
1998-12-18 04:15:43 +03:00
|
|
|
LIST_INSERT_HEAD(&ds_list, dsp, ds_link);
|
1995-07-12 08:57:47 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
/* ARGSUSED */
|
|
|
|
static void
|
2001-10-28 04:32:46 +03:00
|
|
|
sighandler(int sig)
|
1995-07-12 08:57:47 +04:00
|
|
|
{
|
|
|
|
|
|
|
|
/* Kill the pid file and re-enable the framebuffer before exit. */
|
1998-12-18 04:15:43 +03:00
|
|
|
change_state(videoon);
|
1995-07-12 08:57:47 +04:00
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-10-28 04:32:46 +03:00
|
|
|
change_state(int state)
|
1995-07-12 08:57:47 +04:00
|
|
|
{
|
|
|
|
struct dev_stat *dsp;
|
|
|
|
int fd;
|
2001-10-28 04:32:46 +03:00
|
|
|
int fail = 1;
|
1995-07-12 08:57:47 +04:00
|
|
|
|
|
|
|
for (dsp = ds_list.lh_first; dsp != NULL; dsp = dsp->ds_link.le_next) {
|
|
|
|
/* Don't change the state of non-framebuffers! */
|
|
|
|
if (dsp->ds_isfb == 0)
|
|
|
|
continue;
|
2001-10-28 04:32:46 +03:00
|
|
|
if ((fd = open(dsp->ds_path, O_RDWR, 0)) == -1) {
|
|
|
|
syslog(LOG_WARNING, "Can't open `%s' (%m)",
|
|
|
|
dsp->ds_path);
|
1995-07-12 08:57:47 +04:00
|
|
|
continue;
|
|
|
|
}
|
2001-10-28 04:32:46 +03:00
|
|
|
if (ioctl(fd, setvideo, &state) == -1)
|
|
|
|
syslog(LOG_WARNING, "Can't set video on `%s' (%m)",
|
|
|
|
dsp->ds_path);
|
|
|
|
else
|
|
|
|
fail = 0;
|
1995-07-12 08:57:47 +04:00
|
|
|
(void)close(fd);
|
|
|
|
}
|
2001-10-28 04:32:46 +03:00
|
|
|
if (fail) {
|
|
|
|
syslog(LOG_CRIT, "No frame buffer devices, exiting\n");
|
|
|
|
exit(1);
|
|
|
|
}
|
1995-07-12 08:57:47 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-10-28 04:32:46 +03:00
|
|
|
cvt_arg(char *arg, struct timeval *tvp)
|
1995-07-12 08:57:47 +04:00
|
|
|
{
|
|
|
|
char *cp;
|
1998-05-15 01:49:13 +04:00
|
|
|
int seconds, microseconds, factor;
|
1995-07-12 08:57:47 +04:00
|
|
|
int period = 0;
|
1998-05-15 01:49:13 +04:00
|
|
|
factor = 1000000;
|
|
|
|
microseconds = 0;
|
|
|
|
seconds = 0;
|
1995-07-12 08:57:47 +04:00
|
|
|
|
|
|
|
for (cp = arg; *cp != '\0'; ++cp) {
|
|
|
|
if (*cp == '.') {
|
|
|
|
if (period)
|
2001-10-28 04:32:46 +03:00
|
|
|
errx(1, "Invalid argument: %s", arg);
|
1995-07-12 08:57:47 +04:00
|
|
|
period = 1;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!isdigit(*cp))
|
2001-10-28 04:32:46 +03:00
|
|
|
errx(1, "Invalid argument: %s", arg);
|
1995-07-12 08:57:47 +04:00
|
|
|
|
|
|
|
if (period) {
|
1998-05-15 01:49:13 +04:00
|
|
|
if (factor > 1) {
|
|
|
|
microseconds = microseconds * 10 + (*cp - '0');
|
|
|
|
factor /= 10;
|
|
|
|
}
|
1995-07-12 08:57:47 +04:00
|
|
|
} else
|
1998-05-15 01:49:13 +04:00
|
|
|
seconds = (seconds * 10) + (*cp - '0');
|
1995-07-12 08:57:47 +04:00
|
|
|
}
|
|
|
|
|
1998-05-15 01:49:13 +04:00
|
|
|
tvp->tv_sec = seconds;
|
|
|
|
if (factor > 1)
|
|
|
|
microseconds *= factor;
|
|
|
|
|
|
|
|
tvp->tv_usec = microseconds;
|
1995-07-12 08:57:47 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-10-28 04:32:46 +03:00
|
|
|
usage(void)
|
1995-07-12 08:57:47 +04:00
|
|
|
{
|
|
|
|
|
2001-10-28 04:32:46 +03:00
|
|
|
(void)fprintf(stderr,
|
|
|
|
"Usage: %s [-k | -m] [-d timeout] [-e timeout] [-f framebuffer]\n",
|
|
|
|
getprogname());
|
1995-07-12 08:57:47 +04:00
|
|
|
exit(1);
|
|
|
|
}
|