run() — netty Function Reference

Architecture documentation for the run() function in LocalIoHandler.java from the netty codebase.

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Dependency Diagram

graph TD
  1b80a13a_54d9_f16b_15cf_d9600d573185["run()"]
  e3950750_3868_3ca4_8f61_b48a1a74312e["LocalIoHandler"]
  1b80a13a_54d9_f16b_15cf_d9600d573185 -->|defined in| e3950750_3868_3ca4_8f61_b48a1a74312e
  93a37c09_c389_c6e8_8557_99810c78bd4a["wakeup()"]
  1b80a13a_54d9_f16b_15cf_d9600d573185 -->|calls| 93a37c09_c389_c6e8_8557_99810c78bd4a
  style 1b80a13a_54d9_f16b_15cf_d9600d573185 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport/src/main/java/io/netty/channel/local/LocalIoHandler.java lines 56–70

    @Override
    public int run(IoHandlerContext context) {
        if (executionThread == null) {
            executionThread = Thread.currentThread();
        }
        if (context.canBlock()) {
            // Just block until there is a task ready to process or wakeup(...) is called.
            LockSupport.parkNanos(this, context.delayNanos(System.nanoTime()));
        }

        if (context.shouldReportActiveIoTime()) {
            context.reportActiveIoTime(0);
        }
        return 0;
    }