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| author | Eric Andersen <andersen@codepoet.org> | 2001-01-25 23:40:32 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2001-01-25 23:40:32 +0000 |
| commit | ffde8673fe8b2c32076aa3e01eab1fefc5f08e86 (patch) | |
| tree | ca0bf058a242ffb3d2f10d8f862d47a6557cd8eb /miscutils/watchdog.c | |
| parent | 8ba1b1120ee08b281f8bae2837c8f3307d166872 (diff) | |
| download | busybox-w32-ffde8673fe8b2c32076aa3e01eab1fefc5f08e86.tar.gz busybox-w32-ffde8673fe8b2c32076aa3e01eab1fefc5f08e86.tar.bz2 busybox-w32-ffde8673fe8b2c32076aa3e01eab1fefc5f08e86.zip | |
Add in spoon's watchdog timer app.
-Erik
Diffstat (limited to 'miscutils/watchdog.c')
| -rw-r--r-- | miscutils/watchdog.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/miscutils/watchdog.c b/miscutils/watchdog.c new file mode 100644 index 000000000..d297afa02 --- /dev/null +++ b/miscutils/watchdog.c | |||
| @@ -0,0 +1,45 @@ | |||
| 1 | /* vi: set sw=4 ts=4: */ | ||
| 2 | /* | ||
| 3 | * Mini watchdog implementation for busybox | ||
| 4 | * | ||
| 5 | * Copyright (C) 2000 spoon <spoon@ix.netcom.com>. | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or modify | ||
| 8 | * it under the terms of the GNU General Public License as published by | ||
| 9 | * the Free Software Foundation; either version 2 of the License, or | ||
| 10 | * (at your option) any later version. | ||
| 11 | * | ||
| 12 | * This program is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License | ||
| 18 | * along with this program; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 20 | * | ||
| 21 | */ | ||
| 22 | |||
| 23 | #include "busybox.h" | ||
| 24 | #include <stdio.h> | ||
| 25 | #include <fcntl.h> | ||
| 26 | |||
| 27 | extern int watchdog_main(int argc, char **argv) | ||
| 28 | { | ||
| 29 | int fd; | ||
| 30 | |||
| 31 | if (argc != 2) { | ||
| 32 | usage(watchdog_usage); | ||
| 33 | } | ||
| 34 | |||
| 35 | if ((fd=open(argv[1], O_WRONLY)) == -1) { | ||
| 36 | perror_msg_and_die(argv[1]); | ||
| 37 | } | ||
| 38 | |||
| 39 | while (1) { | ||
| 40 | sleep(30); | ||
| 41 | write(fd, "\0", 1); | ||
| 42 | } | ||
| 43 | |||
| 44 | return EXIT_FAILURE; | ||
| 45 | } | ||