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#include <assert.h>
#include <pthread.h>
#include <time.h>
#include "queue.h"
const size_t QUEUES = 10;
const size_t QUEUE_VALUES = 10;
const size_t REPETITIONS = 100;
const struct timespec ENQUEUE_DELAY = {.tv_sec = 0, .tv_nsec = 1000000};
queue_t *queues[QUEUES];
void *enqueuer(void *_queue_index) {
size_t queue_index = (size_t) _queue_index;
queue_t *queue = queues[queue_index];
for (size_t i = 0; i < QUEUE_VALUES; i++) {
size_t value = queue_index + i * QUEUES;
queue_enqueue(queue, (void *) value);
int result = nanosleep(&ENQUEUE_DELAY, NULL);
assert(result == 0);
}
return NULL;
}
void *dequeuer(void *_queue_index) {
size_t queue_index = (size_t) _queue_index;
queue_t *queue = queues[queue_index];
for (size_t i = 0; i < QUEUE_VALUES; i++) {
size_t value = (size_t) queue_dequeue(queue);
assert(value == queue_index + i * QUEUES);
}
return NULL;
}
int main() {
for (size_t repetition = 0; repetition < REPETITIONS; repetition++) {
pthread_t enqueue_threads[QUEUES];
pthread_t dequeue_threads[QUEUES];
for (size_t i = 0; i < QUEUES; i++) {
queues[i] = queue_init();
int result = pthread_create(&dequeue_threads[i], NULL, dequeuer, (void *) i);
assert(result == 0);
result = pthread_create(&enqueue_threads[i], NULL, enqueuer, (void *) i);
assert(result == 0);
}
for (size_t i = 0; i < QUEUES; i++) {
int result = pthread_join(enqueue_threads[i], NULL);
assert(result == 0);
result = pthread_join(dequeue_threads[i], NULL);
assert(result == 0);
queue_free(queues[i]);
}
}
}