prepareToDestroy() — netty Function Reference

Architecture documentation for the prepareToDestroy() function in EpollIoHandler.java from the netty codebase.

Function java Buffer Telemetry calls 1

Entity Profile

Buffer→ Telemetry→ prepareToDestroy() — netty Function Reference

Dependency Diagram

graph TD
  2945722a_0956_8b5c_9537_41d244da461b["prepareToDestroy()"]
  e531fecb_b495_8b97_8d1b_49ff2b5ccdbb["EpollIoHandler"]
  2945722a_0956_8b5c_9537_41d244da461b -->|defined in| e531fecb_b495_8b97_8d1b_49ff2b5ccdbb
  f412d798_aeaf_139a_c2f5_ba554cb7493a["close()"]
  2945722a_0956_8b5c_9537_41d244da461b -->|calls| f412d798_aeaf_139a_c2f5_ba554cb7493a
  style 2945722a_0956_8b5c_9537_41d244da461b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/EpollIoHandler.java lines 210–219

    @Override
    public void prepareToDestroy() {
        // Using the intermediate collection to prevent ConcurrentModificationException.
        // In the `close()` method, the channel is deleted from `channels` map.
        DefaultEpollIoRegistration[] copy = registrations.values().toArray(new DefaultEpollIoRegistration[0]);

        for (DefaultEpollIoRegistration reg: copy) {
            reg.close();
        }
    }