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genericthread.cpp
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genericthread.cpp
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#include "genericthread.h"
#include <unistd.h>
#include <signal.h>
/** \todo kirjoita kommentit :D */
GenThread::GenThread()
{
threadID = 0;
pthread_mutex_init(&this->thread_mutex, NULL);
}
GenThread::~GenThread()
{
Terminate();
usleep(200000);
threadID = 0;
pthread_mutex_destroy(&this->thread_mutex);
}
void GenThread::Start(void)
{
if(IsRunning())
return;
threadID = 0;
Terminated = false;
_threadObj = this;
pthread_create(&threadID, NULL, _threadProc, (void*)_threadObj);
}
bool GenThread::Terminate(void)
{
bool ret = false;
if(IsRunning() == false)
return true;
pthread_mutex_lock(&this->thread_mutex);
Terminated = true;
if(pthread_join(threadID, NULL) == 0)
{
threadID = 0;
ret = true;
}
pthread_mutex_unlock(&this->thread_mutex);
return ret;
}
void *GenThread::_threadProc(void * ptr)
{
((GenThread*)ptr)->Execute();
return ((void*)0);
}
bool GenThread::IsRunning(void)
{
bool running = false;
pthread_mutex_lock(&this->thread_mutex);
running = ((threadID != 0) && (Terminated == false));
pthread_mutex_unlock(&this->thread_mutex);
return running;
}