SOAPcoverage/threadmanager.cpp at master · aquaskyline/SOAPcoverage · GitHub

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#include "threadmanager.h"

pthread_mutex_t		mutex_ctrl = PTHREAD_MUTEX_INITIALIZER;

void* __processwork(void* p)
{
	THRPARAM*	param = (THRPARAM*)p;

	while(param->pMgr->m_nindex<param->pMgr->m_nmaxthread)
	{
		int		nindex = 0;
		pthread_mutex_lock(&mutex_ctrl);
		if(param->pMgr->m_nindex<param->pMgr->m_nmaxthread)
		{
			nindex = param->pMgr->m_nindex++;
		}
		else
		{
			pthread_mutex_unlock(&mutex_ctrl);
			break;
		}
		pthread_mutex_unlock(&mutex_ctrl);
		param->pMgr->m_vproc[nindex](param->pMgr->m_vparam[nindex]);
	}
}

CThreadManager::CThreadManager()
{
	m_nindex = 0;
	m_nmaxthread = 0;
	m_ftimer = 0.1;
	m_cpu = 1;
}

CThreadManager::CThreadManager( int cpu ):m_cpu(cpu)
{
	m_nindex = 0;
	m_nmaxthread = 0;
	m_ftimer = 0.5;

	if(m_cpu <= 0)m_cpu = 1;
}

CThreadManager::~CThreadManager()
{
}

void CThreadManager::AddThread( pthreadproc pProc, void* param )
{
	m_vproc.push_back(pProc);
	m_vparam.push_back(param);
	m_nmaxthread++;
}

void CThreadManager::Run()
{
	if(m_cpu >= m_nmaxthread)m_cpu = m_nmaxthread;
	vector<pthread_t>	vid(m_cpu);
	vector<THRPARAM>	vparam(m_cpu);
	for (int i=0; i<m_cpu; i++)
	{
		vparam[i].pMgr = this;
		vparam[i].flag = 0;
		pthread_create(&vid[i], NULL, __processwork, (void*)&vparam[i]);
		usleep(int(m_ftimer*float(1000000)));
	}

	for (int i=0; i<m_cpu; i++)
	{
		pthread_join(vid[i], NULL);
	}
}

void CThreadManager::SetTimer( float t /*= 0.5*/ )
{
	m_ftimer = t;
}

void CThreadManager::Reset()
{
	m_ftimer = 1.0;
	m_cpu = 1;
	m_nmaxthread = 0;
	m_nindex = 0;
	m_vparam.clear();
	m_vproc.clear();
}

void CThreadManager::SetCPU( int count )
{
	m_cpu = count;
	if (m_cpu >= m_nmaxthread) m_cpu = m_nmaxthread;
}