wakeup() — netty Function Reference

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

Function java Buffer Search called by 1

Entity Profile

Buffer→ Search→ wakeup() — netty Function Reference

Dependency Diagram

graph TD
  4e253f99_0b70_4990_9891_90c4147a53a9["wakeup()"]
  e531fecb_b495_8b97_8d1b_49ff2b5ccdbb["EpollIoHandler"]
  4e253f99_0b70_4990_9891_90c4147a53a9 -->|defined in| e531fecb_b495_8b97_8d1b_49ff2b5ccdbb
  243595e7_7d39_0bf2_9688_f649d92dd080["run()"]
  243595e7_7d39_0bf2_9688_f649d92dd080 -->|calls| 4e253f99_0b70_4990_9891_90c4147a53a9
  style 4e253f99_0b70_4990_9891_90c4147a53a9 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/EpollIoHandler.java lines 202–208

    @Override
    public void wakeup() {
        if (!executor.isExecutorThread(Thread.currentThread()) && nextWakeupNanos.getAndSet(AWAKE) != AWAKE) {
            // write to the evfd which will then wake-up epoll_wait(...)
            Native.eventFdWrite(eventFd.intValue(), 1L);
        }
    }