int main(int argc, char **argv)
{
(void)argc;
(void)argv;
int num_producers = NUM_THREADS-1;
pthread_t producers[num_producers];
pthread_t consumer;
struct timespec start, end;
for(int i=0; i<NUM_THREADS; i++) {
for(int j=0; j<NUM_ITEMS; j++) {
items[i][j].sent = 0;
items[i][j].recv = 0;
}
}
int cap = atoi(argv[1]);
queue = mpscq_create(NULL, cap);
pthread_create(&consumer, NULL, consumer_main, NULL);
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &start);
for(long i=0; i<num_producers; i++) {
pthread_create(&producers[i], NULL, producer_main, (void *)i);
}
for(int i=0; i<num_producers; i++) {
pthread_join(producers[i], NULL);
}
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &end);
done = true;
pthread_join(consumer, NULL);
atomic_thread_fence(memory_order_seq_cst);
for(int i=0; i<num_producers; i++) {
for(int j=0; j<NUM_ITEMS; j++) {
if(items[i][j].sent != 2) {
printf(":(%d %d): %d %d, %d %d\n", i, j, items[i][j].sent,
items[i][j].recv, amount_produced, amount_consumed);
}
assert(items[i][j].sent == 2);
assert(items[i][j].recv == 1);
}
}
long ms = (end.tv_sec - start.tv_sec) * 1000;
ms += (end.tv_nsec - start.tv_nsec) / 1000000;
fprintf(stdout, "\t%d\t%ld\t%ld\n",
retries, ms, (long)(total / amount_produced));
assert(amount_produced == amount_consumed);
exit(amount_produced != amount_consumed);
}
int blockdev_register(struct inode *node, struct blockctl *ctl)
{
struct blockdev *bd = kmalloc(sizeof(struct blockdev));
mutex_create(&ctl->cachelock, 0);
hash_create(&ctl->cache, 0, 0x4000);
mpscq_create(&ctl->queue, 1000);
bd->ctl = ctl;
int num = atomic_fetch_add(&next_minor, 1);
node->devdata = bd;
node->phys_dev = GETDEV(block_major, num);
node->kdev = dm_device_get(block_major);
kthread_create(&ctl->elevator, "[kelevator]", 0, block_elevator_main, node);
char name[64];
snprintf(name, 64, "/dev/bcache-%d", num);
kerfs_register_parameter(name, ctl, 0, 0, kerfs_block_cache_report);
return num;
}