Function make_block

app/src/ThirdParty/readerwriterqueue.h:737–750

  };

  static Block* make_block(size_t capacity) AE_NO_TSAN
  {
    // Allocate enough memory for the block itself, as well as all the elements
    // it will contain
    auto size         = sizeof(Block) + std::alignment_of<Block>::value - 1;
    size             += sizeof(T) * capacity + std::alignment_of<T>::value - 1;
    auto newBlockRaw  = static_cast<char*>(std::malloc(size));
    if (newBlockRaw == nullptr)
      return nullptr;

    auto newBlockAligned = align_for<Block>(newBlockRaw);
    auto newBlockData    = align_for<T>(newBlockAligned + sizeof(Block));
    return new (newBlockAligned) Block(capacity, newBlockRaw, newBlockData);
  }

private:
  weak_atomic<Block*> frontBlock;  // (Atomic) Elements are dequeued from this block