so_5::details::actual_lock_holder_t< Lock_Type > Class Template Reference

A class to be used as mixin with actual std::mutex instance inside. More...

#include <sync_helpers.hpp>

Inheritance diagram for so_5::details::actual_lock_holder_t< Lock_Type >:

Public Member Functions
template<typename Lambda >
auto	lock_and_perform (Lambda &&l) const -> decltype(l())
	Do actual lock and perform necessary action.

Private Attributes
Lock_Type	m_lock
	Actual lock.

Detailed Description

template<typename Lock_Type = std::mutex>
class so_5::details::actual_lock_holder_t< Lock_Type >

A class to be used as mixin with actual std::mutex instance inside.

Usage example:

 template< typename Lock_Holder >
class coop_repo_t final : protected Lock_Holder
{
public :
  bool has_live_coop()
    {
      this->lock_and_perform([&]{ return !m_coops.empty(); });
    }
};
 
using mtsafe_coop_repo_t = coop_repo_t< so_5::details::actual_lock_holder_t >;

Template Parameters

Lock_Type

type of lock to be used for object protection. Will be used with std::lock_guard.

Since

v.5.5.19

Definition at line 80 of file sync_helpers.hpp.

Member Function Documentation

lock_and_perform()

template<typename Lock_Type = std::mutex>

template<typename Lambda >

auto so_5::details::actual_lock_holder_t< Lock_Type >::lock_and_perform ( Lambda && l ) const -> decltype(l())

inline

Do actual lock and perform necessary action.

Definition at line 94 of file sync_helpers.hpp.

Member Data Documentation

m_lock

template<typename Lock_Type = std::mutex>

Lock_Type so_5::details::actual_lock_holder_t< Lock_Type >::m_lock

mutableprivate

Actual lock.

Note

This is mutable attibute because locking can be necessary even in const methods of derived classes.

Definition at line 88 of file sync_helpers.hpp.

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

• sync_helpers.hpp