edm::serviceregistry::BlockingWrapper< Func > Class Template Reference

#include <connect_but_block_self.h>

Public Member Functions
	BlockingWrapper (Func iFunc)
template<typename... Args>
void	operator() (Args &&...args)

Private Member Functions
bool	startBlocking ()
void	unblock ()

Private Attributes
Func	func_
int	numBlocks_

Detailed Description

template<typename Func>
class edm::serviceregistry::BlockingWrapper< Func >

Definition at line 32 of file connect_but_block_self.h.

Constructor & Destructor Documentation

template<typename Func >

edm::serviceregistry::BlockingWrapper< Func >::BlockingWrapper ( Func  iFunc )

inline

Definition at line 34 of file connect_but_block_self.h.

: func_(iFunc), numBlocks_(0) {}

Member Function Documentation

template<typename Func >

template<typename... Args>

void edm::serviceregistry::BlockingWrapper< Func >::operator() ( Args &&...  args )

inline

Definition at line 39 of file connect_but_block_self.h.

References writedatasetfile::args, edm::serviceregistry::BlockingWrapper< Func >::func_, edm::serviceregistry::BlockingWrapper< Func >::startBlocking(), and edm::serviceregistry::BlockingWrapper< Func >::unblock().

                                      {
        std::shared_ptr<void> guard(static_cast<void*>(nullptr), std::bind(&BlockingWrapper::unblock, this));
        if (startBlocking()) {
          func_(std::forward<Args>(args)...);
        }
      }

template<typename Func >

bool edm::serviceregistry::BlockingWrapper< Func >::startBlocking ( )

inlineprivate

Definition at line 52 of file connect_but_block_self.h.

References edm::serviceregistry::BlockingWrapper< Func >::numBlocks_.

Referenced by edm::serviceregistry::BlockingWrapper< Func >::operator()().

{ return 1 == ++numBlocks_; }

template<typename Func >

void edm::serviceregistry::BlockingWrapper< Func >::unblock ( )

inlineprivate

Definition at line 53 of file connect_but_block_self.h.

References edm::serviceregistry::BlockingWrapper< Func >::numBlocks_.

Referenced by edm::serviceregistry::BlockingWrapper< Func >::operator()().

{ --numBlocks_; }

Member Data Documentation

template<typename Func >

Func edm::serviceregistry::BlockingWrapper< Func >::func_

private

Definition at line 54 of file connect_but_block_self.h.

Referenced by edm::serviceregistry::BlockingWrapper< Func >::operator()().

template<typename Func >

int edm::serviceregistry::BlockingWrapper< Func >::numBlocks_

private

Definition at line 55 of file connect_but_block_self.h.

Referenced by edm::serviceregistry::BlockingWrapper< Func >::startBlocking(), and edm::serviceregistry::BlockingWrapper< Func >::unblock().