i have problem with this thread...

[mhrt2008]

hi all
i am using thread to print the value of x i though the value will be 10, but i found it 0????? Why , and haw can i adjust this thread to print x=10

#include <stdio.h>
#include <pthread.h>


void *thread1(void *param);
int x;

int main(int argc, char *argv[])
{


pthread_t tid[1]; 
pthread_attr_t attr;  

pthread_attr_init(&attr);

pthread_create(&tid[0],NULL,&thread1, NULL);

pthread_join(tid[0],NULL);

  printf("x = %d\n",  x); 
}
void *thread1(void *param)
{ 

           int x=10;
                
     pthread_exit(0);
}

i am waiting

[Banfa]

In the thread you declare x in the scope of the thread hiding the global declared one which is initialised to 0 and never has its value changed.

[mhrt2008]

OK...any idea can help me to print x=10
i am thinking to do swap with another variable

[JosAH]

OK...any idea can help me to print x=10
i am thinking to do swap with another variable

The answer was already given to you but here it is again in other words: remove line #26.

kind regards,

Jos