segmentation fault

[killbill689]

# include <pthread.h>

# include <stdio.h>

# include <stdlib.h>

# define NUM_THREADS 10



void *print(void*tid)

{tid; 

 printf("hello from thread  \n");

  int x=32768;



while(x>0)

{	x=x-1;

       

       }



int result;

int check1,check2; 



check1=pthread_attr_getscope(tid,&result);

  printf("scope %d \n",result);



check2=pthread_attr_getstacksize(tid,&result);

  printf("stack size %d \n",result);

     

if((check1!=0)||(check2!=0))

  printf("error getting attributes");



pthread_exit(NULL);   }





void *destruct(void* tth)

{int status;

 status=pthread_attr_destroy(tth);



if(status=0)

   printf("attribute object destroyed sucessfully \n");

else

   printf("error %d destroying attribute object \n",status);



 pthread_t d=(pthread_t)tth;

status=pthread_cancel(d);



if(status=0)

   printf("thread destroyed sucessfully");

else

   printf("error %d destroying thread ",status);





}





int main()

{

   pthread_t threads[NUM_THREADS],destr,vict;

int status,i;



for(i=0;i<NUM_THREADS;i++){

	printf("creation of thread %d \n",i);

	status=pthread_create(&threads[i],NULL,print,(void*)threads[i]);

	

        if(status!=0){

	  printf("error code %d \n",status);

          exit(-1);

           }}

status=pthread_create(&vict,NULL,NULL,NULL);

 if(status!=0){

	 printf("error creating victim thread %d \n",status);

    

    }



status=pthread_create(&destr,NULL,destruct,(void*)vict);

	

      if(status!=0){

	 printf("error creating destroyer thread %d \n",status);

    

    }

    





}

i have the following problem
when i execute it i get sometimes segmentation fault and other times the program finishes without an error but it does not execute the three last lines

[thanostlotr]

hey i got the same excercise... where r u from?