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epollRdHupReady() — netty Function Reference

Architecture documentation for the epollRdHupReady() function in AbstractEpollChannel.java from the netty codebase.

Function java Buffer Telemetry calls 4 called by 1

Entity Profile

Dependency Diagram

graph TD
  d090690c_ba63_7842_6536_a467e153f1b2["epollRdHupReady()"]
  48a4b0f2_9a93_c0ec_29eb_423e8fb5ce85["AbstractEpollUnsafe"]
  d090690c_ba63_7842_6536_a467e153f1b2 -->|defined in| 48a4b0f2_9a93_c0ec_29eb_423e8fb5ce85
  2ab93c32_441f_8b46_a20b_b284364fb016["handle()"]
  2ab93c32_441f_8b46_a20b_b284364fb016 -->|calls| d090690c_ba63_7842_6536_a467e153f1b2
  e5df1ea4_b861_4381_789a_3b2851d17fe0["isActive()"]
  d090690c_ba63_7842_6536_a467e153f1b2 -->|calls| e5df1ea4_b861_4381_789a_3b2851d17fe0
  4bcd90db_c084_162b_2a7a_36770794a97d["epollInReady()"]
  d090690c_ba63_7842_6536_a467e153f1b2 -->|calls| 4bcd90db_c084_162b_2a7a_36770794a97d
  0f938c96_9ae0_6ccc_0306_33c0df2458f1["shutdownInput()"]
  d090690c_ba63_7842_6536_a467e153f1b2 -->|calls| 0f938c96_9ae0_6ccc_0306_33c0df2458f1
  58b9aeb2_5343_e611_e004_2c5a523f6624["clearEpollRdHup()"]
  d090690c_ba63_7842_6536_a467e153f1b2 -->|calls| 58b9aeb2_5343_e611_e004_2c5a523f6624
  style d090690c_ba63_7842_6536_a467e153f1b2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollChannel.java lines 511–527

        final void epollRdHupReady() {
            // This must happen before we attempt to read. This will ensure reading continues until an error occurs.
            recvBufAllocHandle().receivedRdHup();

            if (isActive()) {
                // If it is still active, we need to call epollInReady as otherwise we may miss to
                // read pending data from the underlying file descriptor.
                // See https://github.com/netty/netty/issues/3709
                epollInReady();
            } else {
                // Just to be safe make sure the input marked as closed.
                shutdownInput(false);
            }

            // Clear the EPOLLRDHUP flag to prevent continuously getting woken up on this event.
            clearEpollRdHup();
        }

Domain

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Source

Frequently Asked Questions

What does epollRdHupReady() do?
epollRdHupReady() is a function in the netty codebase, defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollChannel.java.
Where is epollRdHupReady() defined?
epollRdHupReady() is defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollChannel.java at line 511.
What does epollRdHupReady() call?
epollRdHupReady() calls 4 function(s): clearEpollRdHup, epollInReady, isActive, shutdownInput.
What calls epollRdHupReady()?
epollRdHupReady() is called by 1 function(s): handle.

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