Worker< CONF > Class Template Reference

#include "vault/gear/work-force.hpp"

Description

template<class CONF>
class vault::gear::work::Worker< CONF >

Individual worker thread: repeatedly pulls the doWork functor.

Definition at line 127 of file work-force.hpp.

Public Attributes
std::atomic< bool >	emergency {false}
	emergency break to trigger cooperative halt

Public Member Functions
	Worker (CONF config)
bool	isDead () const
	this Worker starts out active, but may terminate

Private Member Functions
void	pullWork ()
activity::Proc	idleWait ()
activity::Proc	contentionWait ()
Private Member Functions inherited from NonCopyable
	~NonCopyable ()=default
	NonCopyable ()=default
	NonCopyable (NonCopyable const &)=delete
NonCopyable &	operator= (NonCopyable const &)=delete

Private Attributes
lib::Thread	thread_
size_t	idleCycles_ {0}
size_t	kickLevel_ {0}
size_t	randFact_ {0}

Constructor & Destructor Documentation

Worker()

template<class CONF >

Worker ( CONF  config )

inline

Definition at line 132 of file work-force.hpp.

Member Function Documentation

isDead()

template<class CONF >

bool isDead ( ) const

inline

this Worker starts out active, but may terminate

Definition at line 143 of file work-force.hpp.

References Worker< CONF >::thread_.

pullWork()

template<class CONF >

void pullWork ( )

inlineprivate

Definition at line 150 of file work-force.hpp.

References ASSERT_MEMBER_FUNCTOR, Worker< CONF >::contentionWait(), Worker< CONF >::emergency, ERROR_LOG_AND_IGNORE, Worker< CONF >::idleCycles_, Worker< CONF >::idleWait(), vault::gear::activity::KICK, Worker< CONF >::kickLevel_, vault::gear::activity::PASS, and vault::gear::activity::WAIT.

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idleWait()

template<class CONF >

activity::Proc idleWait ( )

inlineprivate

Definition at line 187 of file work-force.hpp.

References vault::gear::activity::HALT, Worker< CONF >::idleCycles_, and vault::gear::activity::PASS.

Referenced by Worker< CONF >::pullWork().

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contentionWait()

template<class CONF >

activity::Proc contentionWait ( )

inlineprivate

Definition at line 202 of file work-force.hpp.

References Worker< CONF >::kickLevel_, util::min(), vault::gear::activity::PASS, vault::gear::work::performRandomisedSpin(), Worker< CONF >::randFact_, and vault::gear::work::steppedRandDelay().

Referenced by Worker< CONF >::pullWork().

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Member Data Documentation

emergency

template<class CONF >

std::atomic<bool> emergency {false}

emergency break to trigger cooperative halt

Definition at line 140 of file work-force.hpp.

Referenced by Worker< CONF >::pullWork().

thread_

template<class CONF >

lib::Thread thread_

private

Definition at line 147 of file work-force.hpp.

Referenced by Worker< CONF >::isDead().

idleCycles_

template<class CONF >

size_t idleCycles_ {0}

private

Definition at line 198 of file work-force.hpp.

Referenced by Worker< CONF >::idleWait(), and Worker< CONF >::pullWork().

kickLevel_

template<class CONF >

size_t kickLevel_ {0}

private

Definition at line 223 of file work-force.hpp.

Referenced by Worker< CONF >::contentionWait(), and Worker< CONF >::pullWork().

randFact_

template<class CONF >

size_t randFact_ {0}

private

Definition at line 224 of file work-force.hpp.

Referenced by Worker< CONF >::contentionWait().

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

• work-force.hpp