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authorEric Andersen <andersen@codepoet.org>2001-10-24 05:00:29 +0000
committerEric Andersen <andersen@codepoet.org>2001-10-24 05:00:29 +0000
commitbdfd0d78bc44e73d693510e70087857785b3b521 (patch)
tree153a573095afac8d8d0ea857759ecabd77fb28b7 /update.c
parent9260fc5552a3ee52eb95823aa6689d52a1ffd33c (diff)
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Major rework of the directory structure and the entire build system.
-Erik
Diffstat (limited to 'update.c')
-rw-r--r--update.c112
1 files changed, 0 insertions, 112 deletions
diff --git a/update.c b/update.c
deleted file mode 100644
index 27a04ddee..000000000
--- a/update.c
+++ /dev/null
@@ -1,112 +0,0 @@
1/* vi: set sw=4 ts=4: */
2/*
3 * Mini update implementation for busybox; much pasted from update-2.11
4 *
5 *
6 * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
7 * Copyright (c) 1996, 1997, 1999 Torsten Poulin.
8 * Copyright (c) 2000 by Karl M. Hegbloom <karlheg@debian.org>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25
26/*
27 * Note: This program is only necessary if you are running a 2.0.x (or
28 * earlier) kernel. 2.2.x and higher flush filesystem buffers automatically.
29 */
30
31#include <sys/param.h>
32#include <sys/syslog.h>
33#include <unistd.h> /* for getopt() */
34#include <stdlib.h>
35
36#if __GNU_LIBRARY__ > 5
37 #include <sys/kdaemon.h>
38#else
39 extern int bdflush (int func, long int data);
40#endif
41
42#include "busybox.h"
43
44static unsigned int sync_duration = 30;
45static unsigned int flush_duration = 5;
46static int use_sync = 0;
47
48extern int update_main(int argc, char **argv)
49{
50 int pid;
51 int opt;
52
53 while ((opt = getopt(argc, argv, "Ss:f:")) > 0) {
54 switch (opt) {
55 case 'S':
56 use_sync = 1;
57 break;
58 case 's':
59 sync_duration = atoi(optarg);
60 break;
61 case 'f':
62 flush_duration = atoi(optarg);
63 break;
64 default:
65 show_usage();
66 }
67 }
68
69 if (daemon(0, 1) < 0)
70 perror_msg_and_die("daemon");
71
72#ifdef OPEN_MAX
73 for (pid = 0; pid < OPEN_MAX; pid++) close(pid);
74#else
75 /* glibc 2.1.92 requires using sysconf(_SC_OPEN_MAX) */
76 for (pid = 0; pid < sysconf(_SC_OPEN_MAX); pid++) close(pid);
77#endif
78
79 /* This is no longer necessary since 1.3.5x, but it will harmlessly
80 * exit if that is the case.
81 */
82
83 /* set the program name that will show up in a 'ps' listing */
84 argv[0] = "bdflush (update)";
85 argv[1] = NULL;
86 argv[2] = NULL;
87 for (;;) {
88 if (use_sync) {
89 sleep(sync_duration);
90 sync();
91 } else {
92 sleep(flush_duration);
93 if (bdflush(1, 0) < 0) {
94 openlog("update", LOG_CONS, LOG_DAEMON);
95 syslog(LOG_INFO,
96 "This kernel does not need update(8). Exiting.");
97 closelog();
98 return EXIT_SUCCESS;
99 }
100 }
101 }
102
103 return EXIT_SUCCESS;
104}
105
106/*
107Local Variables:
108c-file-style: "linux"
109c-basic-offset: 4
110tab-width: 4
111End:
112*/