EventClass.cpp

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//
// EventClass.cpp: implementation file
//
// Copyright (C) Walter E. Capers.  All rights reserved
//
// This source is free to use as you like.  If you make
// any changes please keep me in the loop.  Email them to
// walt.capers@comcast.net.
//
// PURPOSE:
//
//  To implement event signals as a C++ object
//
// REVISIONS
// =======================================================
// Date: 10.25.07        
// Name: Walter E. Capers
// Description: File creation
//
// Date:
// Name:
// Description:
//
//
#include <blort/ThreadObject/Thread.h>

CEventClass::CEventClass(void)
:m_bCreated(TRUE)
{
#ifdef WINDOWS
        m_event = CreateEvent(NULL,FALSE,FALSE,NULL);
        if( !m_event )
        {
                m_bCreated = FALSE;
        }
#else
        pthread_mutexattr_t mattr;
        
        pthread_mutexattr_init(&mattr);
        pthread_mutex_init(&m_lock,&mattr);
        pthread_cond_init(&m_ready,NULL);

#endif  
}

CEventClass::~CEventClass(void)
{
#ifdef WINDOWS
        CloseHandle(m_event);
#else
        pthread_cond_destroy(&m_ready);
        pthread_mutex_destroy(&m_lock);
#endif
}


void
CEventClass::Set()
{
#ifdef WINDOWS
        SetEvent(m_event);
#else
        pthread_mutex_lock(&m_lock);
        pthread_mutex_unlock(&m_lock);
        pthread_cond_signal(&m_ready);
#endif
}

BOOL
CEventClass::Wait()
{
#ifdef WINDOWS
        if( WaitForSingleObject(m_event,INFINITE) != WAIT_OBJECT_0 )
        {
                return FALSE;
        }
        return TRUE;
#else
        pthread_mutex_lock(&m_lock);
        pthread_cond_wait(&m_ready,&m_lock);
        return TRUE;
#endif
}

void
CEventClass::Reset()
{
#ifndef WINDOWS
        pthread_mutex_unlock(&m_lock);
#endif
}