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Fix GetOverlappedResult without event & improve overlapped handling

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This commit is contained in:
Luke Street
2025-10-23 01:07:26 -06:00
parent 4d5caf91e1
commit 5597da607a
8 changed files with 459 additions and 281 deletions
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35
src/async_io_uring.cpp
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@@ -201,30 +201,25 @@ void IoUringBackend::handleCompletion(struct io_uring_cqe *cqe) {
return;
}
OVERLAPPED *ov = req->overlapped;
if (ov) {
if (cqe->res >= 0) {
ov->InternalHigh = static_cast<ULONG_PTR>(cqe->res);
if (req->kind == AsyncRequest::Kind::Read && cqe->res == 0) {
ov->Internal = req->isPipe ? STATUS_PIPE_BROKEN : STATUS_END_OF_FILE;
} else {
ov->Internal = STATUS_SUCCESS;
}
NTSTATUS completionStatus = STATUS_SUCCESS;
size_t bytesTransferred = 0;
if (cqe->res >= 0) {
bytesTransferred = static_cast<size_t>(cqe->res);
if (req->kind == AsyncRequest::Kind::Read && cqe->res == 0) {
completionStatus = req->isPipe ? STATUS_PIPE_BROKEN : STATUS_END_OF_FILE;
}
} else {
int err = -cqe->res;
if (err == EPIPE) {
completionStatus = STATUS_PIPE_BROKEN;
} else {
int err = -cqe->res;
ov->InternalHigh = 0;
if (err == EPIPE) {
ov->Internal = STATUS_PIPE_BROKEN;
} else {
NTSTATUS status = wibo::statusFromErrno(err);
if (status == STATUS_SUCCESS) {
status = STATUS_UNEXPECTED_IO_ERROR;
}
ov->Internal = status;
completionStatus = wibo::statusFromErrno(err);
if (completionStatus == STATUS_SUCCESS) {
completionStatus = STATUS_UNEXPECTED_IO_ERROR;
}
}
kernel32::detail::signalOverlappedEvent(ov);
}
kernel32::detail::signalOverlappedEvent(req->file.get(), req->overlapped, completionStatus, bytesTransferred);
delete req;
mPending.fetch_sub(1, std::memory_order_acq_rel);