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Try fixing a few issues with the lock-free queue.

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David Reid
2021-08-22 10:20:28 +10:00
parent a08320e828
commit 2ef44507d4
1 changed files with 4 additions and 4 deletions
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miniaudio.h
+4 -4
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@@ -61603,7 +61603,7 @@ MA_API ma_result ma_resource_manager_job_queue_post(ma_resource_manager_job_queu
/* The job is stored in memory so now we need to add it to our linked list. We only ever add items to the end of the list. */ /* The job is stored in memory so now we need to add it to our linked list. We only ever add items to the end of the list. */
for (;;) { for (;;) {
tail = c89atomic_load_64(&pQueue->tail); tail = c89atomic_load_64(&pQueue->tail);
next = pQueue->pJobs[ma_resource_manager_job_extract_slot(tail)].next; next = c89atomic_load_64(&pQueue->pJobs[ma_resource_manager_job_extract_slot(tail)].next);
if (ma_resource_manager_job_toc_to_allocation(tail) == ma_resource_manager_job_toc_to_allocation(c89atomic_load_64(&pQueue->tail))) { if (ma_resource_manager_job_toc_to_allocation(tail) == ma_resource_manager_job_toc_to_allocation(c89atomic_load_64(&pQueue->tail))) {
if (ma_resource_manager_job_extract_slot(next) == 0xFFFF) { if (ma_resource_manager_job_extract_slot(next) == 0xFFFF) {
@@ -61661,17 +61661,17 @@ MA_API ma_result ma_resource_manager_job_queue_next(ma_resource_manager_job_queu
for (;;) { for (;;) {
head = c89atomic_load_64(&pQueue->head); head = c89atomic_load_64(&pQueue->head);
tail = c89atomic_load_64(&pQueue->tail); tail = c89atomic_load_64(&pQueue->tail);
next = pQueue->pJobs[ma_resource_manager_job_extract_slot(head)].next; next = c89atomic_load_64(&pQueue->pJobs[ma_resource_manager_job_extract_slot(head)].next);
if (ma_resource_manager_job_toc_to_allocation(head) == ma_resource_manager_job_toc_to_allocation(c89atomic_load_64(&pQueue->head))) { if (ma_resource_manager_job_toc_to_allocation(head) == ma_resource_manager_job_toc_to_allocation(c89atomic_load_64(&pQueue->head))) {
if (ma_resource_manager_job_extract_slot(head) == ma_resource_manager_job_extract_slot(tail)) { if (ma_resource_manager_job_extract_slot(head) == ma_resource_manager_job_extract_slot(tail)) {
if (ma_resource_manager_job_extract_slot(next) == 0xFFFF) { if (ma_resource_manager_job_extract_slot(next) == 0xFFFF) {
return MA_NO_DATA_AVAILABLE; return MA_NO_DATA_AVAILABLE;
} }
ma_resource_manager_job_queue_cas(&pQueue->tail, tail, next); ma_resource_manager_job_queue_cas(&pQueue->tail, tail, ma_resource_manager_job_extract_slot(next));
} else { } else {
*pJob = pQueue->pJobs[ma_resource_manager_job_extract_slot(next)]; *pJob = pQueue->pJobs[ma_resource_manager_job_extract_slot(next)];
if (ma_resource_manager_job_queue_cas(&pQueue->head, head, next)) { if (ma_resource_manager_job_queue_cas(&pQueue->head, head, ma_resource_manager_job_extract_slot(next))) {
break; break;
} }
} }