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authorRob Landley <rob@landley.net>2020-10-21 01:17:35 -0500
committerRob Landley <rob@landley.net>2020-10-21 01:17:35 -0500
commite8ff755cba9e249d0e43212acbc0c3bf38af1622 (patch)
treedabdf08d92f5505b213a15307692ded5c6640cf0 /toys/pending
parent9c8b40514fc3adfe76cc60fe183ad162adbd327e (diff)
downloadtoybox-e8ff755cba9e249d0e43212acbc0c3bf38af1622.tar.gz
Promote watchdog.
Diffstat (limited to 'toys/pending')
-rw-r--r--toys/pending/watchdog.c50
1 files changed, 0 insertions, 50 deletions
diff --git a/toys/pending/watchdog.c b/toys/pending/watchdog.c
deleted file mode 100644
index 86444100..00000000
--- a/toys/pending/watchdog.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/* watchdog - start a watchdog timer with configurable kick frequencies
- *
- * Copyright 2019 Chris Sarra <chrissarra@google.com>
- *
- * See kernel.org/doc/Documentation/watchdog/watchdog-api.txt
-
-USE_WATCHDOG(NEWTOY(watchdog, "<1>1Ft#=4<1T#=60<1", TOYFLAG_NEEDROOT|TOYFLAG_BIN))
-
-config WATCHDOG
- bool "watchdog"
- default n
- depends on TOYBOX_FORK
- help
- usage: watchdog [-F] [-t SW_TIMER_S] [-T HW_TIMER_S] DEV
-
- Start the watchdog timer at DEV with optional timeout parameters.
-
- -F run in the foreground (do not daemonize)
- -t software timer (in seconds)
- -T hardware timer (in seconds)
-*/
-#define FOR_watchdog
-#include "toys.h"
-#include "linux/watchdog.h"
-
-GLOBALS(
- long T, t;
-
- int fd;
-)
-
-void safe_shutdown(int ignored) {
- write(TT.fd, "V", 1);
- close(TT.fd);
- error_exit("safely exited watchdog.");
-}
-
-void watchdog_main(void)
-{
- if (!FLAG(F) && daemon(1, 1)) perror_exit("failed to daemonize");
- xsignal(SIGTERM, safe_shutdown);
- xsignal(SIGINT, safe_shutdown);
- xioctl(TT.fd = xopen(*toys.optargs, O_WRONLY), WDIOC_SETTIMEOUT, &TT.T);
-
- // Now that we've got the watchdog device open, kick it periodically.
- for (;;) {
- write(TT.fd, "\0", 1);
- sleep(TT.t);
- }
-}