void *admin_thread(void *UnusedArg)
{
SetNameFunction("admin_thr");
while(1)
{
P(mutex_admin_condvar);
while(reload_exports == FALSE)
pthread_cond_wait(&(admin_condvar), &(mutex_admin_condvar));
reload_exports = FALSE;
V(mutex_admin_condvar);
if (rebuild_export_list() <= 0)
{
LogCrit(COMPONENT_MAIN, "Could not reload the exports list.");
continue;
}
if(pause_threads(PAUSE_RELOAD_EXPORTS) == PAUSE_EXIT)
{
LogDebug(COMPONENT_MAIN,
"Export reload interrupted by shutdown while pausing threads");
/* Be helpfull and exit
* (other termination will just blow us away, and that's ok...
*/
break;
}
/* Clear the id mapping cache for gss principals to uid/gid.
* The id mapping may have changed.
*/
#ifdef _HAVE_GSSAPI
#ifdef _USE_NFSIDMAP
uidgidmap_clear();
idmap_clear();
namemap_clear();
#endif /* _USE_NFSIDMAP */
#endif /* _HAVE_GSSAPI */
if (ChangeoverExports())
{
LogCrit(COMPONENT_MAIN, "ChangeoverExports failed.");
continue;
}
LogEvent(COMPONENT_MAIN,
"Exports reloaded and active");
/* wake_workers could return PAUSE_PAUSE, but we don't have to do
* anything special in that case.
*/
if(wake_threads(AWAKEN_RELOAD_EXPORTS) == PAUSE_EXIT)
{
LogDebug(COMPONENT_MAIN,
"Export reload interrupted by shutdown while waking threads");
/* Be helpfull and exit
* (other termination will just blow us away, and that's ok...
*/
break;
}
}
return NULL;
} /* admin_thread */
static void redo_exports(void)
{
/**
* @todo If we make this accessible by DBUS we should have a good
* way of indicating error.
*/
int rc = 0;
if (rebuild_export_list() <= 0)
{
return;
}
rc = state_async_pause();
if (rc != STATE_SUCCESS)
{
LogMajor(COMPONENT_THREAD,
"Error pausing async state thread: %d",
rc);
return;
}
if (worker_pause() != 0)
{
LogMajor(COMPONENT_MAIN,
"Unable to pause workers.");
return;
}
/* Clear the id mapping cache for gss principals to uid/gid. The id
* mapping may have changed.
*/
#ifdef _HAVE_GSSAPI
#ifdef USE_NFSIDMAP
idmapper_clear_cache();
#endif /* USE_NFSIDMAP */
#endif /* _HAVE_GSSAPI */
if (ChangeoverExports())
{
LogCrit(COMPONENT_MAIN, "ChangeoverExports failed.");
return;
}
if (worker_resume() != 0)
{
/* It's not as if there's anything you can do if this
happens... */
LogFatal(COMPONENT_MAIN,
"Unable to resume workers.");
return;
}
rc = state_async_resume();
if (rc != STATE_SUCCESS)
{
LogFatal(COMPONENT_THREAD,
"Error resumeing down upcall system: %d",
rc);
}
LogEvent(COMPONENT_MAIN,
"Exports reloaded and active");
}
