diff options
Diffstat (limited to 'miscutils/update.c')
-rw-r--r-- | miscutils/update.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/miscutils/update.c b/miscutils/update.c deleted file mode 100644 index c51f42183..000000000 --- a/miscutils/update.c +++ /dev/null | |||
@@ -1,107 +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 | #include <sys/kdaemon.h> | ||
36 | |||
37 | #include "busybox.h" | ||
38 | |||
39 | static unsigned int sync_duration = 30; | ||
40 | static unsigned int flush_duration = 5; | ||
41 | static int use_sync = 0; | ||
42 | |||
43 | extern int update_main(int argc, char **argv) | ||
44 | { | ||
45 | int pid; | ||
46 | int opt; | ||
47 | |||
48 | while ((opt = getopt(argc, argv, "Ss:f:")) > 0) { | ||
49 | switch (opt) { | ||
50 | case 'S': | ||
51 | use_sync = 1; | ||
52 | break; | ||
53 | case 's': | ||
54 | sync_duration = atoi(optarg); | ||
55 | break; | ||
56 | case 'f': | ||
57 | flush_duration = atoi(optarg); | ||
58 | break; | ||
59 | default: | ||
60 | bb_show_usage(); | ||
61 | } | ||
62 | } | ||
63 | |||
64 | if (daemon(0, 1) < 0) | ||
65 | bb_perror_msg_and_die("daemon"); | ||
66 | |||
67 | #ifdef OPEN_MAX | ||
68 | for (pid = 0; pid < OPEN_MAX; pid++) close(pid); | ||
69 | #else | ||
70 | /* glibc 2.1.92 requires using sysconf(_SC_OPEN_MAX) */ | ||
71 | for (pid = 0; pid < sysconf(_SC_OPEN_MAX); pid++) close(pid); | ||
72 | #endif | ||
73 | |||
74 | /* This is no longer necessary since 1.3.5x, but it will harmlessly | ||
75 | * exit if that is the case. | ||
76 | */ | ||
77 | |||
78 | /* set the program name that will show up in a 'ps' listing */ | ||
79 | argv[0] = "bdflush (update)"; | ||
80 | argv[1] = NULL; | ||
81 | argv[2] = NULL; | ||
82 | for (;;) { | ||
83 | if (use_sync) { | ||
84 | sleep(sync_duration); | ||
85 | sync(); | ||
86 | } else { | ||
87 | sleep(flush_duration); | ||
88 | if (bdflush(1, 0) < 0) { | ||
89 | openlog("update", LOG_CONS, LOG_DAEMON); | ||
90 | syslog(LOG_INFO, | ||
91 | "This kernel does not need update(8). Exiting."); | ||
92 | closelog(); | ||
93 | return EXIT_SUCCESS; | ||
94 | } | ||
95 | } | ||
96 | } | ||
97 | |||
98 | return EXIT_SUCCESS; | ||
99 | } | ||
100 | |||
101 | /* | ||
102 | Local Variables: | ||
103 | c-file-style: "linux" | ||
104 | c-basic-offset: 4 | ||
105 | tab-width: 4 | ||
106 | End: | ||
107 | */ | ||