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cancel() — netty Function Reference

Architecture documentation for the cancel() function in IoUringDatagramChannel.java from the netty codebase.

Function java Buffer Search called by 2

Entity Profile

Dependency Diagram

graph TD
  599a4422_7633_8db5_3604_7295daf51f1c["cancel()"]
  15b83cff_6ad6_b58a_64e5_7942764a0d6c["IoUringDatagramChannel"]
  599a4422_7633_8db5_3604_7295daf51f1c -->|defined in| 15b83cff_6ad6_b58a_64e5_7942764a0d6c
  a9ada3f2_7e4f_bf42_22c9_be6a70f1a787["cancelOutstandingReads()"]
  a9ada3f2_7e4f_bf42_22c9_be6a70f1a787 -->|calls| 599a4422_7633_8db5_3604_7295daf51f1c
  56142bf6_6ffa_8e12_e418_6c9bb9b69c9b["cancelOutstandingWrites()"]
  56142bf6_6ffa_8e12_e418_6c9bb9b69c9b -->|calls| 599a4422_7633_8db5_3604_7295daf51f1c
  style 599a4422_7633_8db5_3604_7295daf51f1c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-io_uring/src/main/java/io/netty/channel/uring/IoUringDatagramChannel.java lines 686–700

    private int cancel(IoRegistration registration, byte op, MsgHdrMemoryArray array) {
        int cancelled = 0;
        for (int idx = 0; idx < array.length(); idx++) {
            long id = array.id(idx);
            if (id == MsgHdrMemoryArray.NO_ID) {
                continue;
            }
            // Let's try to cancel outstanding op as these might be submitted and waiting for data
            // (via fastpoll).
            IoUringIoOps ops = IoUringIoOps.newAsyncCancel((byte) 0, id, op);
            registration.submit(ops);
            cancelled++;
        }
        return cancelled;
    }

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does cancel() do?
cancel() is a function in the netty codebase, defined in transport-classes-io_uring/src/main/java/io/netty/channel/uring/IoUringDatagramChannel.java.
Where is cancel() defined?
cancel() is defined in transport-classes-io_uring/src/main/java/io/netty/channel/uring/IoUringDatagramChannel.java at line 686.
What calls cancel()?
cancel() is called by 2 function(s): cancelOutstandingReads, cancelOutstandingWrites.

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