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testIoUringProbeSupported() — netty Function Reference

Architecture documentation for the testIoUringProbeSupported() function in SubmissionQueueTest.java from the netty codebase.

Function java Buffer Telemetry

Entity Profile

Dependency Diagram

graph TD
  202dd548_211a_4f05_5f60_16aedb0005d6["testIoUringProbeSupported()"]
  fd25db8c_3569_d733_e052_a05bfd7b5f45["SubmissionQueueTest"]
  202dd548_211a_4f05_5f60_16aedb0005d6 -->|defined in| fd25db8c_3569_d733_e052_a05bfd7b5f45
  style 202dd548_211a_4f05_5f60_16aedb0005d6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-native-io_uring/src/test/java/io/netty/channel/uring/SubmissionQueueTest.java lines 171–186

    @Test
    public void testIoUringProbeSupported() {
        RingBuffer ringBuffer = Native.createRingBuffer(8, 0);
        Native.IoUringProbe ioUringProbe = Native.ioUringProbe(ringBuffer.fd());
        assertNotNull(ioUringProbe);
        assertNotEquals(0, ioUringProbe.lastOp);
        assertNotEquals(0, ioUringProbe.opsLen);
        assertNotNull(ioUringProbe.ops);
        assertFalse(Native.ioUringProbe(ioUringProbe, new int[] {Integer.MAX_VALUE}));
        assertDoesNotThrow(() -> Native.checkAllIOSupported(ioUringProbe));

        // Let's mark it as not supported.
        ioUringProbe.ops[Native.IORING_OP_READ] = new Native.IoUringProbeOp(Native.IORING_OP_READ, 0);
        assertFalse(Native.ioUringProbe(ioUringProbe, new int[] {Native.IORING_OP_READ}));
        assertThrows(UnsupportedOperationException.class, () -> Native.checkAllIOSupported(ioUringProbe));
    }

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does testIoUringProbeSupported() do?
testIoUringProbeSupported() is a function in the netty codebase, defined in transport-native-io_uring/src/test/java/io/netty/channel/uring/SubmissionQueueTest.java.
Where is testIoUringProbeSupported() defined?
testIoUringProbeSupported() is defined in transport-native-io_uring/src/test/java/io/netty/channel/uring/SubmissionQueueTest.java at line 171.

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