Exit immediately if we can't monitor our owning controller process

tor_process_monitor_new can't currently return NULL, but if it ever can,
we want that to be an explicitly fatal error, without relying on the fact
that monitor_owning_controller_process's chain of caller will exit if it
fails.
This commit is contained in:
Robert Ransom 2011-05-16 10:25:59 -07:00
parent 0caa37db4d
commit b3133d1cad
3 changed files with 12 additions and 15 deletions

View File

@ -1232,10 +1232,7 @@ options_act(or_options_t *old_options)
return -1;
}
if (monitor_owning_controller_process(options->OwningControllerProcess)) {
log_warn(LD_CONFIG, "Error monitoring owning controller process");
return -1;
}
monitor_owning_controller_process(options->OwningControllerProcess);
/* reload keys as needed for rendezvous services. */
if (rend_service_load_keys()<0) {

View File

@ -3815,8 +3815,8 @@ owning_controller_procmon_cb(void *unused)
}
/** Set <b>process_spec</b> as Tor's owning controller process.
* Return 0 on success, -1 on failure. */
int
* Exit on failure. */
void
monitor_owning_controller_process(const char *process_spec)
{
const char *msg;
@ -3829,7 +3829,7 @@ monitor_owning_controller_process(const char *process_spec)
owning_controller_process_spec)) {
/* Same process -- return now, instead of disposing of and
* recreating the process-termination monitor. */
return 0;
return;
}
/* We are currently owned by a process, and we should no longer be
@ -3845,7 +3845,7 @@ monitor_owning_controller_process(const char *process_spec)
(owning_controller_process_monitor == NULL));
if (process_spec == NULL)
return 0;
return;
owning_controller_process_spec = tor_strdup(process_spec);
owning_controller_process_monitor =
@ -3856,13 +3856,13 @@ monitor_owning_controller_process(const char *process_spec)
&msg);
if (owning_controller_process_monitor == NULL) {
log_warn(LD_CONTROL, "Couldn't create process-termination monitor for "
"owning controller: %s",
msg);
return -1;
log_err(LD_BUG, "Couldn't create process-termination monitor for "
"owning controller: %s. Exiting.",
msg);
owning_controller_process_spec = NULL;
tor_cleanup();
exit(0);
}
return 0;
}
/** Convert the name of a bootstrapping phase <b>s</b> into strings

View File

@ -70,7 +70,7 @@ smartlist_t *decode_hashed_passwords(config_line_t *passwords);
void disable_control_logging(void);
void enable_control_logging(void);
int monitor_owning_controller_process(const char *process_spec);
void monitor_owning_controller_process(const char *process_spec);
void control_event_bootstrap(bootstrap_status_t status, int progress);
void control_event_bootstrap_problem(const char *warn, int reason);