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Move things around for sanity checking for multithread preparation

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This commit is contained in:
gingerBill
2021-07-10 21:29:49 +01:00
parent 0a61d4bf2b
commit ed8a6f872d
9 changed files with 104 additions and 74 deletions
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5
src/queue.cpp
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@@ -15,6 +15,7 @@ struct MPMCQueue {
isize mask;
Array<MPMCQueueNode<T>> buffer;
gbMutex mutex;
std::atomic<isize> count;
CacheLinePad pad1;
std::atomic<isize> head_idx;
@@ -42,7 +43,7 @@ void mpmc_init(MPMCQueue<T> *q, gbAllocator a, isize size) {
template <typename T>
void mpmc_destroy(MPMCQueue<T> *q) {
gb_mutex_destroy(&q->mutex);
gb_array_free(&q->buffer);
gb_free(q->buffer.allocator, q->buffer.data);
}
@@ -60,6 +61,7 @@ bool mpmc_enqueue(MPMCQueue<T> *q, T const &data) {
if (q->head_idx.compare_exchange_weak(head_idx, next_head_idx)) {
node->data = data;
node->idx.store(next_head_idx, std::memory_order_release);
q->count.fetch_add(1, std::memory_order_release);
return true;
}
} else if (diff < 0) {
@@ -98,6 +100,7 @@ bool mpmc_dequeue(MPMCQueue<T> *q, T *data_) {
if (q->tail_idx.compare_exchange_weak(tail_idx, next_tail_idx)) {
if (data_) *data_ = node->data;
node->idx.store(tail_idx + q->mask + 1, std::memory_order_release);
q->count.fetch_sub(1, std::memory_order_release);
return true;
}
} else if (diff < 0) {