CleanableDirectBufferImpl() — netty Function Reference

Architecture documentation for the CleanableDirectBufferImpl() function in CleanerJava24Linker.java from the netty codebase.

Function java CommonUtil Internal calls 2 called by 1

Entity Profile

CommonUtil→ Internal→ CleanableDirectBufferImpl() — netty Function Reference

Dependency Diagram

graph TD
  0ef8ae96_0679_0b3e_6dd3_5e3f708bc569["CleanableDirectBufferImpl()"]
  6fa1ae34_46bc_90dc_c677_0a968a080654["CleanableDirectBufferImpl"]
  0ef8ae96_0679_0b3e_6dd3_5e3f708bc569 -->|defined in| 6fa1ae34_46bc_90dc_c677_0a968a080654
  65531363_523d_b5dd_924f_8397afa410b0["CleanableDirectBuffer()"]
  65531363_523d_b5dd_924f_8397afa410b0 -->|calls| 0ef8ae96_0679_0b3e_6dd3_5e3f708bc569
  add871eb_c3ef_e875_fa27_a4789f284655["malloc()"]
  0ef8ae96_0679_0b3e_6dd3_5e3f708bc569 -->|calls| add871eb_c3ef_e875_fa27_a4789f284655
  3017c0a9_56e5_6be2_057b_82f345655d57["free()"]
  0ef8ae96_0679_0b3e_6dd3_5e3f708bc569 -->|calls| 3017c0a9_56e5_6be2_057b_82f345655d57
  style 0ef8ae96_0679_0b3e_6dd3_5e3f708bc569 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/internal/CleanerJava24Linker.java lines 233–247

        private CleanableDirectBufferImpl(int capacity) {
            long addr = malloc(capacity);
            try {
                memoryAddress = addr;
                buffer = (ByteBuffer) INVOKE_CREATE_BYTEBUFFER.invokeExact(addr, (long) capacity);
            } catch (Throwable throwable) {
                Error error = new Error(throwable);
                try {
                    free(addr);
                } catch (Throwable e) {
                    error.addSuppressed(e);
                }
                throw error;
            }
        }