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CONFIG_PID_FILE_PATH: new configuration option for pidfile paths

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We set a default path for the directory where pidfiles are create
when FEATURE_PIDFILE is selected.  The default has no effect on
applets which must specify a pidfile path on the command line to
run, and it can be overridden by applets which optionally allow
the user to specify the pidfile path.

We also add pidfile write/remove support for klogd, ntpd and watchdog.
For syslogd, we add a missing remove_pidfile() for better cleanup
on daemon exit.

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Anthony G. Basile
2012-12-10 14:49:39 -05:00
committed by Mike Frysinger
parent 393c395ca5
commit 12677acf0a
9 changed files with 30 additions and 9 deletions
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3
miscutils/watchdog.c
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@ -31,6 +31,7 @@ static void watchdog_shutdown(int sig UNUSED_PARAM)
{
static const char V = 'V';
remove_pidfile(CONFIG_PID_FILE_PATH "/watchdog.pid");
write(3, &V, 1); /* Magic, see watchdog-api.txt in kernel */
if (ENABLE_FEATURE_CLEAN_UP)
close(3);
@ -95,6 +96,8 @@ int watchdog_main(int argc, char **argv)
stimer_duration, htimer_duration * 1000);
#endif
write_pidfile(CONFIG_PID_FILE_PATH "/watchdog.pid");
while (1) {
/*
* Make sure we clear the counter before sleeping,