newUnpooledChunk() — netty Function Reference

Architecture documentation for the newUnpooledChunk() function in PoolArena.java from the netty codebase.

Function java Buffer Allocators calls 1

Entity Profile

Buffer→ Allocators→ newUnpooledChunk() — netty Function Reference

Dependency Diagram

graph TD
  9668a0e5_b21e_902e_bdb0_357e4fed6606["newUnpooledChunk()"]
  36625935_0489_2b34_5e92_67f0dfdfa3f7["DirectArena"]
  9668a0e5_b21e_902e_bdb0_357e4fed6606 -->|defined in| 36625935_0489_2b34_5e92_67f0dfdfa3f7
  2a49afd8_6e42_30c2_1f59_6c345d97f22e["newUnpooledChunk()"]
  9668a0e5_b21e_902e_bdb0_357e4fed6606 -->|calls| 2a49afd8_6e42_30c2_1f59_6c345d97f22e
  style 9668a0e5_b21e_902e_bdb0_357e4fed6606 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/main/java/io/netty/buffer/PoolArena.java lines 751–764

        @Override
        protected PoolChunk<ByteBuffer> newUnpooledChunk(int capacity) {
            if (sizeClass.directMemoryCacheAlignment == 0) {
                CleanableDirectBuffer cleanableDirectBuffer = allocateDirect(capacity);
                ByteBuffer memory = cleanableDirectBuffer.buffer();
                return new PoolChunk<ByteBuffer>(this, cleanableDirectBuffer, memory, memory, capacity);
            }

            CleanableDirectBuffer cleanableDirectBuffer = allocateDirect(
                    capacity + sizeClass.directMemoryCacheAlignment);
            final ByteBuffer base = cleanableDirectBuffer.buffer();
            final ByteBuffer memory = PlatformDependent.alignDirectBuffer(base, sizeClass.directMemoryCacheAlignment);
            return new PoolChunk<ByteBuffer>(this, cleanableDirectBuffer, base, memory, capacity);
        }