static int do_loop(void) {
cdtime_t interval = cf_get_default_interval();
cdtime_t wait_until = cdtime() + interval;
while (loop == 0) {
#if HAVE_LIBKSTAT
update_kstat();
#endif
/* Issue all plugins */
plugin_read_all();
cdtime_t now = cdtime();
if (now >= wait_until) {
WARNING("Not sleeping because the next interval is "
"%.3f seconds in the past!",
CDTIME_T_TO_DOUBLE(now - wait_until));
wait_until = now + interval;
continue;
}
struct timespec ts_wait = CDTIME_T_TO_TIMESPEC(wait_until - now);
wait_until = wait_until + interval;
while ((loop == 0) && (nanosleep(&ts_wait, &ts_wait) != 0)) {
if (errno != EINTR) {
ERROR("nanosleep failed: %s", STRERRNO);
return -1;
}
}
} /* while (loop == 0) */
return 0;
} /* int do_loop */
static int do_init(void) {
#if HAVE_SETLOCALE
if (setlocale(LC_NUMERIC, COLLECTD_LOCALE) == NULL)
WARNING("setlocale (\"%s\") failed.", COLLECTD_LOCALE);
/* Update the environment, so that libraries that are calling
* setlocale(LC_NUMERIC, "") don't accidentally revert these changes. */
unsetenv("LC_ALL");
setenv("LC_NUMERIC", COLLECTD_LOCALE, /* overwrite = */ 1);
#endif
#if HAVE_LIBKSTAT
kc = NULL;
update_kstat();
#endif
#if HAVE_LIBSTATGRAB
if (sg_init(
#if HAVE_LIBSTATGRAB_0_90
0
#endif
)) {
ERROR("sg_init: %s", sg_str_error(sg_get_error()));
return -1;
}
if (sg_drop_privileges()) {
ERROR("sg_drop_privileges: %s", sg_str_error(sg_get_error()));
return -1;
}
#endif
return plugin_init_all();
} /* int do_init () */
double get_uptime()
{
kstat_t *ksp;
update_kstat();
ksp = kstat_lookup(kstat, "unix", -1, "system_misc");
if (ksp != NULL) {
if (kstat_read(kstat, ksp, NULL) >= 0) {
kstat_named_t *knp;
knp = (kstat_named_t *) kstat_data_lookup(ksp, "boot_time");
if (knp != NULL) {
return get_time() - (double) knp->value.ui32;
}
}
}
}
