PTL::Task< RetT, Args > Class Template Reference

The task class is supplied to thread_pool. More...

#include <Task.hh>

Inheritance diagram for PTL::Task< RetT, Args >:

Public Types
typedef Task< RetT, Args... >	this_type
typedef std::promise< RetT >	promise_type
typedef std::future< RetT >	future_type
typedef std::packaged_task< RetT(Args...)>	packaged_task_type
typedef RetT	result_type
typedef std::tuple< Args... >	tuple_type
Public Types inherited from PTL::VTask
typedef std::thread::id	tid_type
typedef size_t	size_type
typedef VTask	this_type
typedef std::atomic_uintmax_t	count_t
typedef VTask *	iterator
typedef const VTask *	const_iterator
typedef std::function< void()>	void_func_t

Public Member Functions
template<typename FuncT >
	Task (FuncT &&func, Args... args)
template<typename FuncT >
	Task (VTaskGroup *tg, FuncT &&func, Args... args)
template<typename FuncT >
	Task (ThreadPool *tp, FuncT &&func, Args... args)
virtual	~Task ()
virtual void	operator() () final
virtual bool	is_native_task () const override
future_type	get_future ()
Public Member Functions inherited from PTL::VTask
	VTask ()
	VTask (VTaskGroup *task_group)
	VTask (ThreadPool *pool)
virtual	~VTask ()
virtual void	operator() ()=0
void	operator-- ()
virtual bool	is_native_task () const
virtual ThreadPool *	pool () const
VTaskGroup *	group () const
iterator	begin ()
iterator	end ()
const_iterator	begin () const
const_iterator	end () const
const_iterator	cbegin () const
const_iterator	cend () const
intmax_t &	depth ()
const intmax_t &	depth () const

Additional Inherited Members
Static Protected Member Functions inherited from PTL::VTask
static tid_type	this_tid ()
Protected Attributes inherited from PTL::VTask
intmax_t	m_depth
VTaskGroup *	m_group
ThreadPool *	m_pool
void_func_t	m_func = []() {}

Detailed Description

template<typename RetT, typename... Args>
class PTL::Task< RetT, Args >

The task class is supplied to thread_pool.

Definition at line 103 of file Task.hh.

Member Typedef Documentation

future_type

template<typename RetT , typename... Args>

typedef std::future<RetT> PTL::Task< RetT, Args >::future_type

Definition at line 108 of file Task.hh.

packaged_task_type

template<typename RetT , typename... Args>

typedef std::packaged_task<RetT(Args...)> PTL::Task< RetT, Args >::packaged_task_type

Definition at line 109 of file Task.hh.

promise_type

template<typename RetT , typename... Args>

typedef std::promise<RetT> PTL::Task< RetT, Args >::promise_type

Definition at line 107 of file Task.hh.

result_type

template<typename RetT , typename... Args>

typedef RetT PTL::Task< RetT, Args >::result_type

Definition at line 110 of file Task.hh.

this_type

template<typename RetT , typename... Args>

typedef Task<RetT, Args...> PTL::Task< RetT, Args >::this_type

Definition at line 106 of file Task.hh.

tuple_type

template<typename RetT , typename... Args>

typedef std::tuple<Args...> PTL::Task< RetT, Args >::tuple_type

Definition at line 111 of file Task.hh.

Constructor & Destructor Documentation

Task() [1/3]

template<typename RetT , typename... Args>

template<typename FuncT >

PTL::Task< RetT, Args >::Task ( FuncT &&  func, Args...  args  )

inline

Definition at line 115 of file Task.hh.

    : VTask()
    , m_ptask(std::forward<FuncT>(func))
    , m_args(args...)
    {}

Task() [2/3]

template<typename RetT , typename... Args>

template<typename FuncT >

PTL::Task< RetT, Args >::Task ( VTaskGroup *  tg, FuncT &&  func, Args...  args  )

inline

Definition at line 122 of file Task.hh.

    : VTask(tg)
    , m_ptask(std::forward<FuncT>(func))
    , m_args(args...)
    {}

Task() [3/3]

template<typename RetT , typename... Args>

template<typename FuncT >

PTL::Task< RetT, Args >::Task ( ThreadPool *  tp, FuncT &&  func, Args...  args  )

inline

Definition at line 129 of file Task.hh.

    : VTask(tp)
    , m_ptask(std::forward<FuncT>(func))
    , m_args(args...)
    {}

~Task()

template<typename RetT , typename... Args>

virtual PTL::Task< RetT, Args >::~Task ( )

inlinevirtual

Definition at line 135 of file Task.hh.

{}

Member Function Documentation

get_future()

template<typename RetT , typename... Args>

future_type PTL::Task< RetT, Args >::get_future ( )

inline

Definition at line 151 of file Task.hh.

{ return m_ptask.get_future(); }

is_native_task()

template<typename RetT , typename... Args>

virtual bool PTL::Task< RetT, Args >::is_native_task ( ) const

inlineoverridevirtual

Reimplemented from PTL::VTask.

Definition at line 150 of file Task.hh.

{ return true; }

operator()()

template<typename RetT , typename... Args>

virtual void PTL::Task< RetT, Args >::operator() ( )

inlinefinalvirtual

Implements PTL::VTask.

Definition at line 139 of file Task.hh.

    {
        mpl::apply(std::move(m_ptask), std::move(m_args));
        // decrements the task-group counter on active tasks
        // when the counter is < 2, if the thread owning the task group is
        // sleeping at the TaskGroup::wait(), it signals the thread to wake
        // up and check if all tasks are finished, proceeding if this
        // check returns as true
        this_type::operator--();
    }

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

• Task.hh