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IoUringBufferRing() — netty Function Reference

Architecture documentation for the IoUringBufferRing() function in IoUringIoHandler.java from the netty codebase.

Function java Buffer Telemetry

Entity Profile

Dependency Diagram

graph TD
  d8db468b_8a77_90be_b134_4ff923043d64["IoUringBufferRing()"]
  54b1e24c_acd2_7686_4313_2695f1b73de1["IoUringIoHandler"]
  d8db468b_8a77_90be_b134_4ff923043d64 -->|defined in| 54b1e24c_acd2_7686_4313_2695f1b73de1
  style d8db468b_8a77_90be_b134_4ff923043d64 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-io_uring/src/main/java/io/netty/channel/uring/IoUringIoHandler.java lines 225–240

    private static IoUringBufferRing newBufferRing(int ringFd, IoUringBufferRingConfig bufferRingConfig)
            throws Errors.NativeIoException {
        short bufferRingSize = bufferRingConfig.bufferRingSize();
        short bufferGroupId = bufferRingConfig.bufferGroupId();
        int flags = bufferRingConfig.isIncremental() ? Native.IOU_PBUF_RING_INC : 0;
        long ioUringBufRingAddr = Native.ioUringRegisterBufRing(ringFd, bufferRingSize, bufferGroupId, flags);
        if (ioUringBufRingAddr < 0) {
            throw Errors.newIOException("ioUringRegisterBufRing", (int) ioUringBufRingAddr);
        }
        return new IoUringBufferRing(ringFd,
                Buffer.wrapMemoryAddressWithNativeOrder(ioUringBufRingAddr, Native.ioUringBufRingSize(bufferRingSize)),
                bufferRingSize, bufferRingConfig.batchSize(),
                bufferGroupId, bufferRingConfig.isIncremental(), bufferRingConfig.allocator(),
                bufferRingConfig.isBatchAllocation()
        );
    }

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does IoUringBufferRing() do?
IoUringBufferRing() is a function in the netty codebase, defined in transport-classes-io_uring/src/main/java/io/netty/channel/uring/IoUringIoHandler.java.
Where is IoUringBufferRing() defined?
IoUringBufferRing() is defined in transport-classes-io_uring/src/main/java/io/netty/channel/uring/IoUringIoHandler.java at line 225.

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