lunchbox::Condition Class Reference

A condition variable and associated lock. More...

#include <condition.h>

Inheritance diagram for lunchbox::Condition:

Collaboration diagram for lunchbox::Condition:

Public Member Functions
	Condition ()
	Construct a new condition variable. More...
	~Condition ()
	Destruct this condition variable. More...
void	lock ()
	Lock the mutex. More...
void	unlock ()
	Unlock the mutex. More...
void	signal ()
	Signal the condition. More...
void	broadcast ()
	Broadcast the condition. More...
void	wait ()
	Atomically unlock the mutex, wait for a signal and relock the mutex. More...
bool	timedWait (const uint32_t timeout)
	Atomically unlock the mutex, wait for a signal and relock the mutex. More...

Detailed Description

A condition variable and associated lock.

Semantics follow closely pthread_condition and mutex.

Definition at line 33 of file condition.h.

Constructor & Destructor Documentation

lunchbox::Condition::Condition

(

)

Construct a new condition variable.

Version

1.0

lunchbox::Condition::~Condition

(

)

Destruct this condition variable.

Version

1.0

Member Function Documentation

void lunchbox::Condition::broadcast

(

)

Broadcast the condition.

Version

1.0

Referenced by lunchbox::Monitor< T >::operator&=(), lunchbox::Monitor< T >::operator++(), lunchbox::Monitor< T >::operator--(), lunchbox::operator<<(), lunchbox::Monitor< T >::operator|=(), lunchbox::MTQueue< T, S >::popBarrier(), and lunchbox::Monitor< T >::set().

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void lunchbox::Condition::lock

(

)

Lock the mutex.

Version

1.0

Referenced by lunchbox::MTQueue< T, S >::getBack(), lunchbox::MTQueue< T, S >::getFront(), lunchbox::MTQueue< T, S >::operator=(), lunchbox::MTQueue< T, S >::popBarrier(), lunchbox::MTQueue< T, S >::push(), and lunchbox::MTQueue< T, S >::pushFront().

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void lunchbox::Condition::signal

(

)

Signal the condition.

Version

1.0

Referenced by lunchbox::MTQueue< T, S >::popBarrier(), lunchbox::MTQueue< T, S >::push(), and lunchbox::MTQueue< T, S >::pushFront().

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bool lunchbox::Condition::timedWait

(

const uint32_t

timeout

)

Atomically unlock the mutex, wait for a signal and relock the mutex.

The operation is aborted after the given timeout and false is returned.

Parameters

timeout

the timeout in milliseconds to wait for the signal.

Returns

true on success, false on timeout.

Version

1.0

Referenced by lunchbox::Monitor< T >::operator&().

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void lunchbox::Condition::unlock

(

)

Unlock the mutex.

Version

1.0

Referenced by lunchbox::MTQueue< T, S >::getBack(), lunchbox::MTQueue< T, S >::getFront(), lunchbox::MTQueue< T, S >::operator=(), lunchbox::MTQueue< T, S >::popBarrier(), lunchbox::MTQueue< T, S >::push(), and lunchbox::MTQueue< T, S >::pushFront().

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void lunchbox::Condition::wait

(

)

Atomically unlock the mutex, wait for a signal and relock the mutex.

Version

1.0

Referenced by lunchbox::Monitor< T >::operator&(), lunchbox::MTQueue< T, S >::popBarrier(), lunchbox::MTQueue< T, S >::push(), lunchbox::MTQueue< T, S >::pushFront(), and lunchbox::Monitor< T >::waitNE().

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

• condition.h