getUnsafeOffset() — netty Function Reference

Architecture documentation for the getUnsafeOffset() function in RefCnt.java from the netty codebase.

Function java CommonUtil Internal

Entity Profile

CommonUtil→ Internal→ getUnsafeOffset() — netty Function Reference

Dependency Diagram

graph TD
  5866299d_59b9_7020_58ee_4e9e800e1a98["getUnsafeOffset()"]
  a43fdad8_805c_4b48_edc8_5658c1df4216["UnsafeRefCnt"]
  5866299d_59b9_7020_58ee_4e9e800e1a98 -->|defined in| a43fdad8_805c_4b48_edc8_5658c1df4216
  style 5866299d_59b9_7020_58ee_4e9e800e1a98 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/internal/RefCnt.java lines 397–406

        private static long getUnsafeOffset(Class<?> clz, String fieldName) {
            try {
                if (PlatformDependent.hasUnsafe()) {
                    return PlatformDependent.objectFieldOffset(clz.getDeclaredField(fieldName));
                }
            } catch (Throwable ignore) {
                // fall-back
            }
            return -1;
        }