latest version v1.9 - last update 24 Nov 2005

lti::semaphore Class Reference

lti semaphore class for inter-thread (not inter-process!) synchronisation More...

#include <ltiSemaphore.h>

Inheritance diagram for lti::semaphore:

[legend]Collaboration diagram for lti::semaphore:

[legend]List of all members.

Public Member Functions
	semaphore (const int initialValue=1)
virtual	~semaphore ()
bool	wait ()
bool	tryWait ()
bool	post ()
int	getValue ()
void	reset ()
virtual const char *	getTypeName () const
Protected Attributes
sem_t	theSemaphore

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Detailed Description

lti semaphore class for inter-thread (not inter-process!) synchronisation

See also:

lti::mutex, lti::thread

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Constructor & Destructor Documentation

lti::semaphore::semaphore (  const int  initialValue = 1  )

default constructor

virtual lti::semaphore::~semaphore (   )  [virtual]

destructor

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Member Function Documentation

virtual const char* lti::semaphore::getTypeName (   )  const [virtual]

returns the name of this type Reimplemented from lti::object.

int lti::semaphore::getValue (   )

get current value

bool lti::semaphore::post (   )

post semaphore, i.e. increase the value Returns: true if successful, false otherwise

void lti::semaphore::reset (   )

reset value to initialValue

bool lti::semaphore::tryWait (   )

Try to wait on semaphore, but do not block. Returns: true if value was decreased.

bool lti::semaphore::wait (   )

wait on semaphore, i.e. decrease the value or wait if counter <= 0 Returns: true if successful, false otherwise

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Member Data Documentation

sem_t lti::semaphore::theSemaphore [protected]

the posix semaphore

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

• ltiSemaphore.h

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