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

typedef struct {
    atomic_int locked;
} Spinlock;

void spinlock_acquire(Spinlock *lock) {
    while (atomic_exchange(&lock->locked, 1)) {
        // Keep spinning until the lock is free
    }
}

void spinlock_release(Spinlock *lock) {
    atomic_store(&lock->locked, 0);
}

void *worker(void *arg) {
    Spinlock *lock = (Spinlock *)arg;
    spinlock_acquire(lock);
    printf("Thread %ld acquired the lock\n", pthread_self());
    spinlock_release(lock);
    return NULL;
}

int main() {
    pthread_t t1, t2;
    Spinlock lock = {0};

    pthread_create(&t1, NULL, worker, &lock);
    pthread_create(&t2, NULL, worker, &lock);

    pthread_join(t1, NULL);
    pthread_join(t2, NULL);

    return 0;
}