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

int val=0;

void* sakana(void* x){
int c=1000000;
	while(c--){
	int lval;
		//printf("%s\n", "sakana");
		lval=val;
		lval++;
		val=lval;
		//usleep(random()%1010);
	}
}

void* tako(void* x){
int c=1000000;
	while(c--){
	int lval;
		//printf("%s\n", "tako");
		lval=val;
		lval++;
		val=lval;
		//usleep(random()%1000);
	}
}

main(){
pthread_t thre1, thre2;

	pthread_setconcurrency( 2 );
	pthread_create(&thre1, NULL, sakana, NULL);
	pthread_create(&thre2, NULL, tako, NULL);

	pthread_join(thre1, NULL);
	pthread_join(thre2, NULL);

	printf("val %d\n", val);

}