fesa::Semaphore Class Reference

this class is a c++ wrapper for the sem_t class More...

#include <Semaphore.h>

Public Member Functions
	Semaphore (const std::string &semaphoreName, int32_t value)
	constructor
void	wait ()
	wait in this thread until the value of the semaphore is greater than 0
int32_t	tryWait ()
	perform a non-blocking wait
int32_t	timedWait (const struct timespec *abs_timeout)
void	post ()
	increases the value of the semaphore by 1
int32_t	getValue ()
	this method returns the current value of the semaphore
	~Semaphore ()
	destructor It implements a close and unlink of the semaphore. Allowing any resources that the system has allocated to the calling process for this semaphore to be freed.
Private Attributes
sem_t *	semaphore_
	internal semaphore representation
std::string	semaphoreName_
	name of the semaphore

Detailed Description

this class is a c++ wrapper for the sem_t class

Definition at line 16 of file Semaphore.h.

Constructor & Destructor Documentation

fesa::Semaphore::Semaphore	(	const std::string &	semaphoreName,
		int32_t	value
	)

constructor

Parameters:

	semaphoreName	string to identify the semaphore
	value	to initialize the semaphore

Exceptions:

FesaException

Definition at line 17 of file Semaphore.cpp.

References FesaErrorOpeningSemaphore, semaphore_, semaphoreName_, and fesa::StringUtilities::toString().

fesa::Semaphore::~Semaphore ( )

destructor It implements a close and unlink of the semaphore. Allowing any resources that the system has allocated to the calling process for this semaphore to be freed.

Definition at line 31 of file Semaphore.cpp.

References semaphore_, and semaphoreName_.