Method alloc

include/tscore/Allocator.h:401–420

  }

  C *
  alloc()
  {
    void *callstack[3];
    int   frames = backtrace(callstack, 3);
    C    *ptr    = ClassAllocator<C, Destruct_on_free>::alloc();

    const void *symbol = nullptr;
    if (frames == 3 && callstack[2] != nullptr) {
      symbol = callstack[2];
    }

    tracker.increment(symbol, (int64_t)sizeof(C), this->fl->name);
    ink_mutex_acquire(&trackerLock);
    reverse_lookup[ptr] = symbol;
    ++allocations;
    ink_mutex_release(&trackerLock);

    return ptr;
  }

  void
  free(C *ptr)