numActiveAllocations() — netty Function Reference

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

Function java Buffer Search calls 2

Entity Profile

Buffer→ Search→ numActiveAllocations() — netty Function Reference

Dependency Diagram

graph TD
  2fd73bbb_a3f5_7654_ce3b_b77b81a035b3["numActiveAllocations()"]
  de926ba9_75e3_c416_27fc_3623234991a8["PoolArena"]
  2fd73bbb_a3f5_7654_ce3b_b77b81a035b3 -->|defined in| de926ba9_75e3_c416_27fc_3623234991a8
  a9955d3f_a5f7_e9ad_827d_87d47e26b575["lock()"]
  2fd73bbb_a3f5_7654_ce3b_b77b81a035b3 -->|calls| a9955d3f_a5f7_e9ad_827d_87d47e26b575
  c24c38bc_94a5_6dd7_1e0a_4abbf00b61e7["unlock()"]
  2fd73bbb_a3f5_7654_ce3b_b77b81a035b3 -->|calls| c24c38bc_94a5_6dd7_1e0a_4abbf00b61e7
  style 2fd73bbb_a3f5_7654_ce3b_b77b81a035b3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/main/java/io/netty/buffer/PoolArena.java lines 493–504

    @Override
    public  long numActiveAllocations() {
        long val = allocationsSmall.sum() + allocationsHuge.sum()
                - deallocationsHuge.sum();
        lock();
        try {
            val += allocationsNormal - (deallocationsSmall + deallocationsNormal);
        } finally {
            unlock();
        }
        return max(val, 0);
    }