fix async deadlock

src/async/async.cc

@@ -5,15 +5,6 @@
 // clang-format off
 #include <async++.h>
 
-// clang-format on
-namespace async {
-sled::FiberScheduler &
-default_scheduler()
-{
-    static sled::FiberScheduler scheduler;
-    return scheduler;
-}
-}// namespace async
 
 namespace sled {
 
@@ -25,13 +16,33 @@ SleepWaitHandler(async::task_wait_handle t)
     event.Wait(sled::Event::kForever);
 }
 
+FiberScheduler::FiberScheduler()
+{
+}
+
 void
 FiberScheduler::schedule(async::task_run_handle t)
 {
     static ThreadPool thread_pool;
     auto move_on_copy = sled::MakeMoveOnCopy(t);
-    // thread_pool.PostTask([move_on_copy] { move_on_copy.value.run_with_wait_handler(SleepWaitHandler); });
     thread_pool.submit([move_on_copy] { move_on_copy.value.run_with_wait_handler(SleepWaitHandler); });
+    // thread_pool.submit([move_on_copy] { move_on_copy.value.run(); });
 }
 
 }// namespace sled
+
+// clang-format on
+namespace async {
+sled::FiberScheduler &
+default_scheduler()
+{
+    static sled::FiberScheduler scheduler;
+    return scheduler;
+}
+
+void
+detail::wait_for_task(task_base *wait_task)
+{
+    sled::SleepWaitHandler(task_wait_handle(wait_task));
+}
+}// namespace async

src/async/async_test.cc

@@ -28,3 +28,12 @@ TEST(Async, parallel_for)
     // wg.Wait();
     for (int i = 0; i < count; i++) { EXPECT_TRUE(values[i]) << i; }
 }
+
+TEST(Async, parallel_reduce)
+{
+    auto r = async::parallel_reduce(async::irange(1, 5), 0, [](int x, int y) {
+        LOGD("", "{},{}", x, y);
+        return x + y;
+    });
+    LOGD("", "{}", r);
+}