Synchronization object allowing to sleep for given timespan. More...

#include <sync/bell.h>

Inheritance diagram for Bell:

Collaboration diagram for Bell:

Public Member Functions
	Bell ()
	Constructor. More...

void	ring ()
	Ring the bell. More...

unsigned int	residual ()
	Returns the residual waiting time. More...

void	set (unsigned int ms)
	Set the bell's waiting time. More...

void	sleep ()
	Sleep until the bell rings. More...

Public Member Functions inherited from Waitingroom
	Waitingroom ()
	Constructor. More...

virtual	~Waitingroom ()
	Destructor. More...

virtual void	remove (Thread *customer)
	Remove a given thread prematurely from the Waitingroom. More...

Public Member Functions inherited from Queue< Thread >
	Queue ()
	Default constructor; initialized the queue as empty.

void	enqueue (Thread *item)
	Enqueues the provided item at the end of the queue. More...

Thread *	dequeue ()
	Removes the first element in the queue and returns it. More...

Iterator	begin ()

Iterator	end ()

Thread *	remove (Thread item, bool(cmp)(Thread , Thread )=[](Thread a, Thread b) {return a==b;})
	Removes and returns a single element from the queue. More...

void	insertFirst (Thread *item)
	Adds `item` to the beginning of the queue. More...

void	insertAfter (Thread old_item, Thread new_item)
	Inserts the element `new_item` directly after `old_item`. More...

Thread *	first ()
	Returns the first element in the queue without removing it. More...

Thread *	next (Thread *o)
	Returns the next element in the queue for a given element.

Static Public Member Functions
static void	sleep (unsigned int ms)
	Creates a temporary bell object and sleep for the given timespan. More...

Friends
class	Bellringer

Detailed Description

Synchronization object allowing to sleep for given timespan.

A bell is a synchronization object enabling one or more threads to sleep for a particular timespan.

Constructor & Destructor Documentation

◆ Bell()

Bell::Bell ( )

inline

Constructor.

Constructs a new bell; the newly created bell is, at first, disabled.

Member Function Documentation

◆ ring()

void Bell::ring ( )

Ring the bell.

Method called by the Bellringer once the waiting time passed. Wakes up the sleeping thread(s).

◆ residual()

unsigned int Bell::residual ( )

Returns the residual waiting time.

Will use Bellringer::residual().

Returns: Time in milliseconds until the bell rings

Optional:: Implement Method

◆ set()

void Bell::set ( unsigned int ms )

Set the bell's waiting time.

This method can be used to set the desired waiting time.

Parameters

ms	Time in milliseconds; will be passed to Bellringer::job()

Optional:: Implement Method

◆ sleep() [1/2]

void Bell::sleep ( )

Sleep until the bell rings.

The bell needs to be configured via Bell::set() prior to calling this method and should not have rung already. (see Bell::residual()).

Optional:: Implement Method

◆ sleep() [2/2]

void Bell::sleep ( unsigned int ms )

static

Creates a temporary bell object and sleep for the given timespan.