| | |
| | | public: |
| | | Msg(void *p=0, RefCount *c=0):ptr_(p), count_(c) {} |
| | | void swap(Msg &a) { std::swap(ptr_, a.ptr_); std::swap(count_, a.count_); } |
| | | |
| | | // ~Msg() { RemoveRef(); } |
| | | // Msg(const Msg &a):ptr_(a.ptr_), count_(a.count_) { AddRef(); } |
| | | // Msg(Msg &&a):ptr_(a.ptr_), count_(a.count_) { a.ptr_ = 0; a.count_ = 0; } |
| | | // Msg & operator = (const Msg &a) { Msg(a).swap(*this); } |
| | | // Msg & operator = (Msg &&a) { Msg(std::move(a)).swap(*this); } |
| | | |
| | | template <class T = void> T *get() { return static_cast<T*>(ptr_.get()); } |
| | | |
| | | // AddRef and Release works for both counted and not counted msg. |
| | | int AddRef() const { return IsCounted() ? count_->Inc() : 1; } |
| | | int RemoveRef() const{ return IsCounted() ? count_->Dec() : 0; } |
| | | int Release(SharedMemory &shm) const; |
| | | |
| | | int Count() const{ return IsCounted() ? count_->Get() : 1; } |
| | | bool IsCounted() const { return static_cast<bool>(count_); } |
| | | bool Build(SharedMemory &shm, const MQId &src_id, const void *p, const size_t size, const bool refcount); |
| | | void FreeFrom(SharedMemory &shm); |
| | | }; |
| | | |
| | | inline void swap(Msg &m1, Msg &m2) { m1.swap(m2); } |