int i;
int t = get_thread_num();
for (i = 0; i < MAX_FREELIST; i++) {
- unsigned int node = load_32(&free_lists[t][i]);
+ //unsigned int node = load_32(&free_lists[t][i]);
+ unsigned int node = free_lists[t][i];
if (node) {
- store_32(&free_lists[t][i], 0);
+ //store_32(&free_lists[t][i], 0);
+ free_lists[t][i] = 0;
return node;
}
}
/* free_list is empty? */
- MODEL_ASSERT(0);
+ //MODEL_ASSERT(0);
return 0;
}
int t = get_thread_num();
/* Don't reclaim NULL node */
- MODEL_ASSERT(node);
+ //MODEL_ASSERT(node);
for (i = 0; i < MAX_FREELIST; i++) {
/* Should never race with our own thread here */
- unsigned int idx = load_32(&free_lists[t][i]);
+ //unsigned int idx = load_32(&free_lists[t][i]);
+ unsigned int idx = free_lists[t][i];
/* Found empty spot in free list */
if (idx == 0) {
- store_32(&free_lists[t][i], node);
+ //store_32(&free_lists[t][i], node);
+ free_lists[t][i] = node;
return;
}
}
/* free list is full? */
- MODEL_ASSERT(0);
+ //MODEL_ASSERT(0);
}
void init_queue(queue_t *q, int num_threads)
pointer tmp;
node = new_node();
- store_32(&q->nodes[node].value, val);
+ //store_32(&q->nodes[node].value, val);
+ q->nodes[node].value = val;
tmp = atomic_load_explicit(&q->nodes[node].next, relaxed);
set_ptr(&tmp, 0); // NULL
atomic_store_explicit(&q->nodes[node].next, tmp, relaxed);
if (tail == atomic_load_explicit(&q->tail, relaxed)) {
/* Check for uninitialized 'next' */
- MODEL_ASSERT(get_ptr(next) != POISON_IDX);
+ //MODEL_ASSERT(get_ptr(next) != POISON_IDX);
if (get_ptr(next) == 0) { // == NULL
pointer value = MAKE_POINTER(node, get_count(next) + 1);
success = atomic_compare_exchange_strong_explicit(&q->nodes[get_ptr(tail)].next,
&next, value, release, release);
+ /**
+ @Begin
+ @Commit_point_define_check: success == true
+ @Label: Enqueue_Success_Point
+ @End
+ */
}
if (!success) {
unsigned int ptr = get_ptr(atomic_load_explicit(&q->nodes[get_ptr(tail)].next, acquire));
pointer value = MAKE_POINTER(ptr,
get_count(tail) + 1);
- int commit_success = 0;
- commit_success = atomic_compare_exchange_strong_explicit(&q->tail,
+ atomic_compare_exchange_strong_explicit(&q->tail,
&tail, value, release, release);
- /**
- @Begin
- @Commit_point_define_check: commit_success == true
- @Label: Enqueue_Success_Point
- @End
- */
thrd_yield();
}
}
if (get_ptr(head) == get_ptr(tail)) {
/* Check for uninitialized 'next' */
- MODEL_ASSERT(get_ptr(next) != POISON_IDX);
+ //MODEL_ASSERT(get_ptr(next) != POISON_IDX);
if (get_ptr(next) == 0) { // NULL
+ /**
+ @Begin
+ @Commit_point_define_check: true
+ @Label: Dequeue_Empty_Point
+ @End
+ */
return 0; // NULL
}
atomic_compare_exchange_strong_explicit(&q->tail,
release, release);
thrd_yield();
} else {
- value = load_32(&q->nodes[get_ptr(next)].value);
+ //value = load_32(&q->nodes[get_ptr(next)].value);
+ value = q->nodes[get_ptr(next)].value;
success = atomic_compare_exchange_strong_explicit(&q->head,
&head,
MAKE_POINTER(get_ptr(next), get_count(head) + 1),