Defer creation of poller's event loop interrupt socket pair until start is called, because some SelectConnection users (e.g., BlockingConnection adapter) don't use the event loop, and these sockets would just get reported as resource leaks.
Defer creation of poller's event loop interrupt socket pair until start is called, because some SelectConnection users (e.g., BlockingConnection adapter) don't use the event loop, and these sockets would just get reported as resource leaks.

Unregister and close ioloop-interrupt sockets when exiting ioloop.

shinji-s/pika,reddec/pika,knowsis/pika,Zephor5/pika,jstnlef/pika,Tarsbot/pika,vrtsystems/pika,vitaly-krugl/pika,benjamin9999/pika,skftn/pika,pika/pika,hugoxia/pika,zixiliuyue/pika