to_be_deleted_(nullptr), threads_in_pop_(0) {}~LockFreeStack() {while(Pop()) {// Do nothing and wait for all elements are poped.}}LockFreeStack(constLockFreeStack& other) =delete;LockFreeStack&operator=(constLoc
Ashared_ptrmay also own no objects, in which case it is calledempty. shared_ptrmeets the requirements ofCopyConstructibleandCopyAssignable. Member types Member typeDefinition element_typeT Member functions (constructor) constructs newshared_ptr (public member function) (destructor) destructs the owned ...
{ _GLIBCXX_THROW_OR_ABORT(bad_weak_ptr()); }using__gnu_cxx::_Lock_policy;using__gnu_cxx::__default_lock_policy;using__gnu_cxx::_S_single;using__gnu_cxx::_S_mutex;using__gnu_cxx::_S_atomic;//Empty helper class except when the template argument is _S_mutex.template<_Lock_polic...
A shared_ptr may also own no objects, in which case it is called empty (an empty shared_ptr may have a non-null stored pointer if the aliasing constructor was used to create it). All specializations of shared_ptr meet the requirements of CopyConstructible, CopyAssignable, and LessThan...
voidfunc(void) {//Create an empty (ie. NULL) p1 shared_ptrshared_ptr<Xxx> xPtr;if(xPtr)//empty pointer{//impossible}else{//Create a new Xxx object, and give its ownership to the yPtr shared_ptrshared_ptr<Xxx>yPtr(newXxx(1024));if(yPtr)//valid pointer{//Access members functions...
A shared_ptr may also own no objects, in which case it is called empty (an empty shared_ptr may have a non-null stored pointer if the aliasing constructor was used to create it). All specializations of shared_ptr meet the requirements of CopyConstructible, CopyAssignable, and LessThanComp...
10)rshall be empty andr.get()shall equalnullptr, and*thisshall be the old value ofr. 11)use_count()equalsr.use_count(). 12)use_count()equals1andr.get()equalsnullptr. Exceptions 3)std::bad_allocif required additional memory could not be obtained. May throw implementation-defined exception...
empty(); }); p = q.front(); q.erase(q.begin()); } std::size_t size() const { std::unique_lock<std::mutex> lock{guard}; return q.size(); } private: mutable std::mutex guard{}; std::condition_variable cv; std::vector<T> q{}; }; esp_pthread_cfg_t create_config(...
3,4)Move-assigns ashared_ptrfromr. After the assignment,*thiscontains a copy of the previous state ofr, andris empty. Equivalent toshared_ptr<T>(std::move(r)).swap(*this). 5)Transfers the ownership of the object managed byrto*this. Ifrmanages no object,*thismanages no object too. Af...
Ashared_ptrmay also own no objects, in which case it is calledempty(an empty shared_ptr may have a non-null stored pointer if the aliasing constructor was used to create it). All specializations ofshared_ptrmeet the requirements ofCopyConstructible,CopyAssignable, andLessThanComparableand arecon...