fhicl::detail::per_thread_holder< T > Class Template Reference

#include "per_thread_holder.h"

Public Member Functions
T &	slot_for_current_thread ()

Private Types
using	registry_t = tbb::concurrent_hash_map< std::thread::id, T, thread_hash_compare >
using	accessor = typename registry_t::accessor

Private Member Functions
T &	slot_for (std::thread::id id)

Private Attributes
registry_t	registry_

Detailed Description

template<typename T>
class fhicl::detail::per_thread_holder< T >

Definition at line 23 of file per_thread_holder.h.

Member Typedef Documentation

template<typename T>

using fhicl::detail::per_thread_holder< T >::accessor = typename registry_t::accessor

private

Definition at line 26 of file per_thread_holder.h.

template<typename T>

using fhicl::detail::per_thread_holder< T >::registry_t = tbb::concurrent_hash_map<std::thread::id, T, thread_hash_compare>

private

Definition at line 25 of file per_thread_holder.h.

Member Function Documentation

template<typename T>

T& fhicl::detail::per_thread_holder< T >::slot_for ( std::thread::id  id )

inlineprivate

Definition at line 37 of file per_thread_holder.h.

    {
      // Lock held on key's map entry until the function returns.
      accessor access_token;
      if (not registry_.insert(access_token, id)) {
        // Entry already exists; return cached entry.
        return access_token->second;
      }

      access_token->second = T{};
      return access_token->second;
    }

template<typename T>

T& fhicl::detail::per_thread_holder< T >::slot_for_current_thread ( )

inline

Definition at line 30 of file per_thread_holder.h.

Referenced by fhicl::detail::TableMemberRegistry::instance_(), and fhicl::NameStackRegistry::instance_().

    {
      return slot_for(std::this_thread::get_id());
    }

Member Data Documentation

template<typename T>

registry_t fhicl::detail::per_thread_holder< T >::registry_

private

Definition at line 50 of file per_thread_holder.h.

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The documentation for this class was generated from the following file:

• fhiclcpp/types/detail/per_thread_holder.h