TPZSemaphore Class Reference

Implements semaphore to threads. Utility. More...

#include <TPZSemaphore.h>

Public Member Functions
	TPZSemaphore (void)
	Default constructor. More...
	~TPZSemaphore (void)
	Default destructor. More...
	TPZSemaphore (int initCount)
	Constructor with initial number for the counter. More...
void	Wait ()
void	Post ()

Private Attributes
int	fCounter
	Counter of the times the semaphore is locked. More...
pthread_mutex_t	fMutex
	Mutex for the thread. More...
pthread_cond_t	fCond
	Condition for the thread must to be waiting. More...

Detailed Description

Implements semaphore to threads. Utility.

Definition at line 15 of file TPZSemaphore.h.

Constructor & Destructor Documentation

TPZSemaphore() [1/2]

TPZSemaphore::TPZSemaphore

(

void

)

Default constructor.

Definition at line 16 of file TPZSemaphore.cpp.

References fCond, fCounter, fMutex, PZ_PTHREAD_COND_INIT, and PZ_PTHREAD_MUTEX_INIT.

~TPZSemaphore()

TPZSemaphore::~TPZSemaphore

(

void

)

Default destructor.

Definition at line 23 of file TPZSemaphore.cpp.

References fCond, fMutex, PZ_PTHREAD_COND_DESTROY, and PZ_PTHREAD_MUTEX_DESTROY.

TPZSemaphore() [2/2]

TPZSemaphore::TPZSemaphore

(

int

initCount

)

Constructor with initial number for the counter.

Definition at line 29 of file TPZSemaphore.cpp.

References fCond, fCounter, fMutex, PZ_PTHREAD_COND_INIT, and PZ_PTHREAD_MUTEX_INIT.

Member Function Documentation

Post()

void TPZSemaphore::Post

(

)

Definition at line 82 of file TPZSemaphore.cpp.

References fCond, fCounter, fMutex, LOGPZ_DEBUG, PZ_PTHREAD_COND_SIGNAL, PZ_PTHREAD_MUTEX_LOCK, and PZ_PTHREAD_MUTEX_UNLOCK.

Referenced by TPZDohrAssembleList< TVar >::AddItem(), TPZStructMatrixOR::ThreadData::ComputedElementMatrix(), TPZPairStructMatrix::ThreadData::ComputedElementMatrix(), tht::SemaphorePost(), TPZStructMatrixOR::ThreadData::ThreadWork(), and TPZPairStructMatrix::ThreadData::ThreadWork().

Wait()

void TPZSemaphore::Wait

(

)

Definition at line 36 of file TPZSemaphore.cpp.

References fCond, fCounter, fMutex, LOGPZ_DEBUG, PZ_PTHREAD_COND_WAIT, PZ_PTHREAD_MUTEX_LOCK, and PZ_PTHREAD_MUTEX_UNLOCK.

Referenced by TPZDohrAssembleList< TVar >::Assemble(), tht::SemaphoreWait(), TPZStructMatrixOR::ThreadData::ThreadAssembly(), TPZPairStructMatrix::ThreadData::ThreadAssembly1(), and TPZPairStructMatrix::ThreadData::ThreadAssembly2().

Member Data Documentation

fCond

pthread_cond_t TPZSemaphore::fCond

private

Condition for the thread must to be waiting.

Definition at line 23 of file TPZSemaphore.h.

Referenced by Post(), TPZSemaphore(), Wait(), and ~TPZSemaphore().

fCounter

int TPZSemaphore::fCounter

private

Counter of the times the semaphore is locked.

Definition at line 19 of file TPZSemaphore.h.

Referenced by Post(), TPZSemaphore(), and Wait().

fMutex

pthread_mutex_t TPZSemaphore::fMutex

private

Mutex for the thread.

Definition at line 21 of file TPZSemaphore.h.

Referenced by Post(), TPZSemaphore(), Wait(), and ~TPZSemaphore().

---

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

• Util/TPZSemaphore.h
• Util/TPZSemaphore.cpp