setZero() — netty Function Reference

Architecture documentation for the setZero() function in UnsafeByteBufUtil.java from the netty codebase.

Function java Buffer Telemetry calls 3

Entity Profile

Buffer→ Telemetry→ setZero() — netty Function Reference

Dependency Diagram

graph TD
  3975dfca_839f_b5bf_ef26_98846abdd8ac["setZero()"]
  2f99d7c3_a5a0_5538_ae7e_a825ef1ab37a["UnsafeByteBufUtil"]
  3975dfca_839f_b5bf_ef26_98846abdd8ac -->|defined in| 2f99d7c3_a5a0_5538_ae7e_a825ef1ab37a
  97182ffb_6959_e7fa_ca18_0b0ac8be6f01["batchSetZero()"]
  3975dfca_839f_b5bf_ef26_98846abdd8ac -->|calls| 97182ffb_6959_e7fa_ca18_0b0ac8be6f01
  6a395763_3d36_3ddf_76a8_e261d3eb6d6b["zeroTillAligned()"]
  3975dfca_839f_b5bf_ef26_98846abdd8ac -->|calls| 6a395763_3d36_3ddf_76a8_e261d3eb6d6b
  22192448_9730_8ad3_a9d7_017926c94032["is8BytesAligned()"]
  3975dfca_839f_b5bf_ef26_98846abdd8ac -->|calls| 22192448_9730_8ad3_a9d7_017926c94032
  style 3975dfca_839f_b5bf_ef26_98846abdd8ac fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/main/java/io/netty/buffer/UnsafeByteBufUtil.java lines 440–450

    static void setZero(byte[] array, int index, int length) {
        if (length == 0) {
            return;
        }
        // fast-path for small writes to avoid thread-state change JDK's handling
        if (UNALIGNED && length <= MAX_HAND_ROLLED_SET_ZERO_BYTES) {
            batchSetZero(array, index, length);
        } else {
            PlatformDependent.setMemory(array, index, length, ZERO);
        }
    }