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

struct structArg {
    pthread_mutex_t* mutex;
};

void* func1(void* arg){
    struct structArg* args = arg;
    pthread_mutex_lock(args->mutex);
    for(int i =1;i<1500;i++){
        printf("OK - 1 - %d\n",i);
    }
    pthread_mutex_unlock(args->mutex);
    pthread_exit(NULL);
}

void* func2(void* arg){
    struct structArg* args = arg;
    pthread_mutex_lock(args->mutex);
    for(int i =1;i<1000;i++){
        printf("OK - 2 - %d\n",i);
    }
    pthread_mutex_unlock(args->mutex);
    pthread_exit(NULL);
}

int main(void){
    pthread_t p1,p2; 
    pthread_mutex_t mutex;
    pthread_mutex_init(&mutex,NULL);

    struct structArg args;
    args.mutex = &mutex;


    pthread_create(&p1,NULL,func1,&args);
    pthread_create(&p2,NULL,func2,&args);
    pthread_join(p1,NULL);
    pthread_join(p2,NULL);
    pthread_mutex_destroy(&mutex);

    return 0;
}