edm::ThreadSafeAddOnlyContainer< T > Class Template Reference

#include <ThreadSafeAddOnlyContainer.h>

Classes
class	Node

Public Member Functions
template<typename... Args>
T *	makeAndHold (Args &&... args)
	ThreadSafeAddOnlyContainer ()
	~ThreadSafeAddOnlyContainer ()

Private Attributes
std::atomic< Node * >	front_

Detailed Description

template<typename T>
class edm::ThreadSafeAddOnlyContainer< T >

Definition at line 31 of file ThreadSafeAddOnlyContainer.h.

Constructor & Destructor Documentation

ThreadSafeAddOnlyContainer()

template<typename T >

edm::ThreadSafeAddOnlyContainer< T >::ThreadSafeAddOnlyContainer

(

)

Definition at line 58 of file ThreadSafeAddOnlyContainer.h.

: front_(nullptr) {}

~ThreadSafeAddOnlyContainer()

template<typename T >

edm::ThreadSafeAddOnlyContainer< T >::~ThreadSafeAddOnlyContainer

(

)

Definition at line 61 of file ThreadSafeAddOnlyContainer.h.

                                                             {
    Node const* node = front_.load();
    while (node) {
      Node const* next = node->next();
      delete node;
      node = next;
    }
  }

References GetRecoTauVFromDQM_MC_cff::next, and edm::ThreadSafeAddOnlyContainer< T >::Node::next().

Member Function Documentation

makeAndHold()

template<typename T >

template<typename... Args>

T * edm::ThreadSafeAddOnlyContainer< T >::makeAndHold

(

Args &&...

args

)

Definition at line 72 of file ThreadSafeAddOnlyContainer.h.

                                                              {
    Node* expected = front_.load();
    Node* newNode = new Node(expected, std::forward<Args>(args)...);
    while (!front_.compare_exchange_strong(expected, newNode)) {
      // another thread changed front_ before us so try again
      newNode->setNext(expected);
    }
    return newNode->address();
  }

References edm::ThreadSafeAddOnlyContainer< T >::Node::address(), writedatasetfile::args, and edm::ThreadSafeAddOnlyContainer< T >::Node::setNext().

Member Data Documentation

front_

template<typename T >

std::atomic<Node*> edm::ThreadSafeAddOnlyContainer< T >::front_

private

Definition at line 54 of file ThreadSafeAddOnlyContainer.h.