diff options
Diffstat (limited to 'networking/ntpd.c')
| -rw-r--r-- | networking/ntpd.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/networking/ntpd.c b/networking/ntpd.c index 95dfdb1..04df3fa 100644 --- a/networking/ntpd.c +++ b/networking/ntpd.c @@ -735,6 +735,13 @@ send_query_to_peer(peer_t *p) } +/* Note that there is no provision to prevent several run_scripts + * to be done in quick succession. In fact, it happens rather often + * if initial syncronization results in a step. + * You will see "step" and then "stratum" script runs, sometimes + * as close as only 0.002 seconds apart. + * Script should be ready to deal with this. + */ static void run_script(const char *action, double offset) { char *argv[3]; @@ -1185,8 +1192,8 @@ update_local_clock(peer_t *p) abs_offset = fabs(offset); #if 0 - /* If needed, -S script can detect this by looking at $offset - * env var and kill parent */ + /* If needed, -S script can do it by looking at $offset + * env var and killing parent */ /* If the offset is too large, give up and go home */ if (abs_offset > PANIC_THRESHOLD) { bb_error_msg_and_die("offset %f far too big, exiting", offset); @@ -2007,7 +2014,7 @@ int ntpd_main(int argc UNUSED_PARAM, char **argv) nfds = poll(pfd, i, timeout * 1000); gettime1900d(); /* sets G.cur_time */ if (nfds <= 0) { - if (G.cur_time - G.last_script_run > 11*60) { + if (G.script_name && G.cur_time - G.last_script_run > 11*60) { /* Useful for updating battery-backed RTC and such */ run_script("periodic", G.last_update_offset); gettime1900d(); /* sets G.cur_time */ |