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Gracefully fallback when io_uring fails to initialize

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This commit is contained in:
Luke Street 2025-10-07 14:16:23 -06:00
parent 061228c971
commit 430b6bfc9d
1 changed files with 4 additions and 4 deletions
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8
src/async_io.cpp
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@ -6,7 +6,7 @@ namespace {
std::unique_ptr<wibo::AsyncIOBackend> g_backend;
class DummyBackend : public wibo::AsyncIOBackend {
class NoOpBackend : public wibo::AsyncIOBackend {
public:
bool init() override { return true; }
void shutdown() override {}
@ -43,12 +43,12 @@ AsyncIOBackend &asyncIO() {
#if WIBO_ENABLE_LIBURING
g_backend = detail::createIoUringBackend();
#else
g_backend = std::make_unique<DummyBackend>();
g_backend = std::make_unique<NoOpBackend>();
#endif
}
if (!g_backend->init()) {
fprintf(stderr, "asyncIO: failed to initialize backend\n");
abort();
DEBUG_LOG("AsyncIOBackend initialization failed; using no-op backend\n");
g_backend = std::make_unique<NoOpBackend>();
}
return *g_backend;
}