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MXS-2547: Do shutdown on main worker

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By stopping the REST API before the workers and moving the shutdown to the
same worker that handles REST API requests, we prevent the hang on
shutdown. This also makes the signal handler signal-safe.
This commit is contained in:
Markus Mäkelä
2019-06-18 11:23:14 +03:00
parent 69b3879357
commit 27fb397041
2 changed files with 16 additions and 7 deletions
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22
server/core/gateway.cc
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@ -2293,9 +2293,6 @@ int main(int argc, char **argv)
/*< Stop all the monitors */
monitorStopAll();
/** Stop administrative interface */
mxs_admin_shutdown();
/*< Stop all the monitors */
monitorStopAll();
@ -2380,6 +2377,19 @@ return_main:
return rc;
} /*< End of main */
class ShutdownTask: public Worker::DisposableTask
{
public:
void execute(mxs::Worker& w)
{
mxs_admin_shutdown();
service_shutdown();
Worker::shutdown_all();
hkshutdown();
log_flush_shutdown();
}
};
/*<
* Shutdown MaxScale server
*/
@ -2391,10 +2401,8 @@ int maxscale_shutdown()
if (n == 0)
{
service_shutdown();
Worker::shutdown_all();
hkshutdown();
log_flush_shutdown();
mxs::Worker* worker = Worker::get(0);
worker->post(std::auto_ptr<ShutdownTask>(new ShutdownTask), mxs::Worker::EXECUTE_QUEUED);
}
return n + 1;