diff options
Diffstat (limited to 'zebra/main.c')
| -rw-r--r-- | zebra/main.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/zebra/main.c b/zebra/main.c index 7d895799..2f966523 100644 --- a/zebra/main.c +++ b/zebra/main.c @@ -346,11 +346,13 @@ main (int argc, char **argv) zebra_snmp_init (); #endif /* HAVE_SNMP */ - /* Clean up self inserted route. */ - if (! keep_kernel_mode) - rib_sweep_route (); - - /* Configuration file read*/ + /* Process the configuration file. Among other configuration + * directives we can meet those installing static routes. Such + * requests will not be executed immediately, but queued in + * zebra->ribq structure until we enter the main execution loop. + * The notifications from kernel will show originating PID equal + * to that after daemon() completes (if ever called). + */ vty_read_config (config_file, config_default); /* Don't start execution if we are in dry-run mode */ @@ -374,6 +376,17 @@ main (int argc, char **argv) /* Output pid of zebra. */ pid_output (pid_file); + /* After we have successfully acquired the pidfile, we can be sure + * about being the only copy of zebra process, which is submitting + * changes to the FIB. + * Clean up zebra-originated routes. The requests will be sent to OS + * immediately, so originating PID in notifications from kernel + * will be equal to the current getpid(). To know about such routes, + * we have to have route_read() called before. + */ + if (! keep_kernel_mode) + rib_sweep_route (); + /* Needed for BSD routing socket. */ pid = getpid (); |