oV1dyi - Online C Compiler & Debugging Tool

// Online C compiler to run C program online
#include <stdio.h>
#include<pthread.h>
#include<stdlib.h>

pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t cond = PTHREAD_COND_INITIALIZER;

const int MAX = 99;
int count = 0;

void* even (void *ptr)
{
	pthread_mutex_lock(&mutex);
	while(count <= MAX)
	{
		if(count%2 != 0)
		{
			pthread_cond_wait(&cond, &mutex);
		}
	printf("%d\n", count++);
	pthread_mutex_unlock(&mutex);
	pthread_cond_signal(&cond);
	}
	pthread_exit(0);
}

void* odd (void *ptr)
{
	pthread_mutex_lock(&mutex);
	while(count <= MAX)
	{
		if(count%2 == 0)
		{
			pthread_cond_wait(&cond, &mutex);
		}
	printf("%d\n", count++);
	pthread_mutex_unlock(&mutex);
	pthread_cond_signal(&cond);
	}
	pthread_exit(0);
}
int main()
{
	pthread_t t1,t2;
	pthread_create(&t1, NULL, even, NULL);
	pthread_create(&t2, NULL, odd, NULL);

	pthread_join(t1, 0);
	pthread_join(t2, 0);
}