#include<stdio.h>
#include<pthread.h>
#include <semaphore.h>
struct a{
int a;
int b;
}obj;
pthread_mutex_t mut= PTHREAD_MUTEX_INITIALIZER;
void *threadfun(void *arg)
{
pthread_mutex_lock(&mut);
obj.a = 10;
obj.b = 20;
pthread_mutex_unlock(&mut);
return NULL;
}
void *threadfun1(void *arg)
{
pthread_mutex_lock(&mut);
printf("the a value %d\n",obj.a);
printf("the b value %d\n",obj.b);
pthread_mutex_unlock(&mut);
return NULL;
}
int main()
{
pthread_t t1;
pthread_t t2;
void *res;
pthread_create(&t1,NULL,threadfun,NULL);
pthread_create(&t2,NULL,threadfun1,NULL);
pthread_join(t1,&res);
pthread_join(t2,&res);
return 0;
}
