1. Counters typedef struct __counter_t { int value; pthread_mutex_t lock; } counter_t; void init(counter_t *c) { c->value = 0; pthread_mutex_init(&c->lock, NULL); } void increment(counter_t *c) { pthread_mutex_lock(&c->lock); c->value++; pthread_mutex_unlock(&c->lock); } void decrement(counter_t *c) { pthread_mutex_lock(&c->lock); c->value--; pthread_mutex_unlock(&c->lock); } int get(counter_t *..
