how to solve PTHDB_CALLBACK (callback failed) signal?

#include"Thread.h"
#include<signal.h>
friend  void* runThread(void*arg){return  ((IThread*)arg)->run();}; //implemented in .h file
IThread::IThread()
{
	   m_tid = 0;
	   m_running = -1;
	  m_detached = 0;
	//  signal(SIGPIPE,SIG_IGN);

}
/*static void*  runThread(void* arg)
{
}*/

IThread::~IThread()
{
	 if (m_running == 1 && m_detached == 0) {
	       printf("\n deaached from thread %lu \n",m_tid);
	        pthread_detach(m_tid);
	    }
	    if (m_running == 1) {
	    	printf("\n cancel from thread %lu \n",m_tid);
	        pthread_cancel(m_tid);
			 pthread_attr_destroy(&attr);  
	    }
}

int IThread::start()
{
    pthread_attr_t attr;
     int g = pthread_attr_init(&attr);
     if(g!=0)
    	 printf("\nfail attr\n");
    pthread_attr_setstacksize(&attr,2000*1000);
	int res = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
    int result = pthread_create(&m_tid, &attr, runThread, this);

    if (result == 0) {
        m_running = 1;
    }
    return result;
}

int IThread::join()
{
    int result = -1;
    if (m_running == 1) {
        result = pthread_join(m_tid, NULL);

        if (result == 0) {
            m_detached = 1;
        }
    }
    return result;
}
int IThread::detach()
{
    int result = -1;
    if (m_running == 1 && m_detached == 0) {
        result = pthread_detach(m_tid);
        if (result == 0) {
            m_detached = 1;
        }
    }
    return result;
}
pthread_t IThread::self() {
    return m_tid;
}
void* IThread::run()
{
	printf("Empty thread");
	return 0;
}