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| author | Denys Vlasenko | 2017-07-08 18:53:49 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2017-07-08 18:53:49 +0200 |
| commit | 1572f520ccfe9e45d4cb9b18bb7b728eb2bbb571 (patch) | |
| tree | 68440f6f951946ae6c531711157fa1ada022e5e3 /miscutils/watchdog.c | |
| parent | 31c765081dc41f158786545fbea9294be4685bd2 (diff) | |
| download | busybox-1572f520ccfe9e45d4cb9b18bb7b728eb2bbb571.zip busybox-1572f520ccfe9e45d4cb9b18bb7b728eb2bbb571.tar.gz | |
watchdog: do not use argc, other cleanups
function old new delta
watchdog_main 298 291 -7
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/watchdog.c')
| -rw-r--r-- | miscutils/watchdog.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/miscutils/watchdog.c b/miscutils/watchdog.c index 95e2f1a..d379a97 100644 --- a/miscutils/watchdog.c +++ b/miscutils/watchdog.c @@ -35,8 +35,21 @@ //usage: "\nUse 500ms to specify period in milliseconds" #include "libbb.h" -#include "linux/types.h" /* for __u32 */ -#include "linux/watchdog.h" +#include <linux/types.h> /* for __u32 */ +#include <linux/watchdog.h> + +#ifndef WDIOC_SETOPTIONS +# define WDIOC_SETOPTIONS 0x5704 +#endif +#ifndef WDIOC_SETTIMEOUT +# define WDIOC_SETTIMEOUT 0x5706 +#endif +#ifndef WDIOC_GETTIMEOUT +# define WDIOC_GETTIMEOUT 0x5707 +#endif +#ifndef WDIOS_ENABLECARD +# define WDIOS_ENABLECARD 2 +#endif #define OPT_FOREGROUND (1 << 0) #define OPT_STIMER (1 << 1) @@ -73,8 +86,9 @@ static void watchdog_open(const char* device) } int watchdog_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; -int watchdog_main(int argc, char **argv) +int watchdog_main(int argc UNUSED_PARAM, char **argv) { + static const int enable = WDIOS_ENABLECARD; static const struct suffix_mult suffixes[] = { { "ms", 1 }, { "", 1000 }, @@ -99,6 +113,8 @@ int watchdog_main(int argc, char **argv) if (!(opts & OPT_FOREGROUND)) bb_daemonize_or_rexec(DAEMON_CHDIR_ROOT, argv); + /* maybe bb_logenv_override(); here for LOGGING=syslog to work? */ + if (opts & OPT_HTIMER) htimer_duration = xatou_sfx(ht_arg, suffixes); stimer_duration = htimer_duration / 2; @@ -107,22 +123,12 @@ int watchdog_main(int argc, char **argv) bb_signals(BB_FATAL_SIGS, shutdown_on_signal); - watchdog_open(argv[argc - 1]); + watchdog_open(argv[optind]); /* WDIOC_SETTIMEOUT takes seconds, not milliseconds */ htimer_duration = htimer_duration / 1000; -#ifndef WDIOC_SETTIMEOUT -# error WDIOC_SETTIMEOUT is not defined, cannot compile watchdog applet -#else -# if defined WDIOC_SETOPTIONS && defined WDIOS_ENABLECARD - { - static const int enable = WDIOS_ENABLECARD; - ioctl_or_warn(3, WDIOC_SETOPTIONS, (void*) &enable); - } -# endif + ioctl_or_warn(3, WDIOC_SETOPTIONS, (void*) &enable); ioctl_or_warn(3, WDIOC_SETTIMEOUT, &htimer_duration); -#endif - #if 0 ioctl_or_warn(3, WDIOC_GETTIMEOUT, &htimer_duration); printf("watchdog: SW timer is %dms, HW timer is %ds\n", |