findNextAvail0() — netty Function Reference

Architecture documentation for the findNextAvail0() function in PoolSubpage.java from the netty codebase.

Function java Buffer Telemetry called by 1

Entity Profile

Buffer→ Telemetry→ findNextAvail0() — netty Function Reference

Dependency Diagram

graph TD
  391a2edf_8e57_4225_0fef_8f7afedb4997["findNextAvail0()"]
  a6a571ea_fcf9_6eda_c073_f8d61fa999a3["PoolSubpage"]
  391a2edf_8e57_4225_0fef_8f7afedb4997 -->|defined in| a6a571ea_fcf9_6eda_c073_f8d61fa999a3
  7ba71002_dc60_923d_b085_8336a9b1e977["findNextAvail()"]
  7ba71002_dc60_923d_b085_8336a9b1e977 -->|calls| 391a2edf_8e57_4225_0fef_8f7afedb4997
  style 391a2edf_8e57_4225_0fef_8f7afedb4997 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/main/java/io/netty/buffer/PoolSubpage.java lines 192–206

    private int findNextAvail0(int i, long bits) {
        final int baseVal = i << 6;
        for (int j = 0; j < 64; j ++) {
            if ((bits & 1) == 0) {
                int val = baseVal | j;
                if (val < maxNumElems) {
                    return val;
                } else {
                    break;
                }
            }
            bits >>>= 1;
        }
        return -1;
    }