--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/async_test/src/atomic_test.rs	Tue Jan 19 18:30:44 2021 +0900
@@ -0,0 +1,19 @@
+use std::sync::Arc;
+use std::sync::atomic::{AtomicUsize, Ordering};
+use std::thread;
+
+pub fn maina() {
+    let spinlock = Arc::new(AtomicUsize::new(1));
+
+    let spinlock_clone = Arc::clone(&spinlock);
+    let thread = thread::spawn(move|| {
+        spinlock_clone.store(0, Ordering::SeqCst);
+    });
+
+    // Wait for the other thread to release the lock
+    while spinlock.load(Ordering::SeqCst) != 0 {}
+
+    if let Err(panic) = thread.join() {
+        println!("Thread had an error: {:?}", panic);
+    }
+}
\ No newline at end of file

--- a/src/async_test/src/fu_test.rs	Mon Jan 18 20:52:32 2021 +0900
+++ b/src/async_test/src/fu_test.rs	Tue Jan 19 18:30:44 2021 +0900
@@ -37,8 +37,9 @@
 }
 
 pub fn fu_test() {
-
     let future = get_future();
+    let future1 = get_future();
     // ThreadPool::new(4).execute(future);
     block_on(future);
+    block_on(future1);
 }
\ No newline at end of file

--- a/src/async_test/src/lib.rs	Mon Jan 18 20:52:32 2021 +0900
+++ b/src/async_test/src/lib.rs	Tue Jan 19 18:30:44 2021 +0900
@@ -1,2 +1,2 @@
 
-pub mod fu_test;
\ No newline at end of file
+pub mod fu_test;

--- a/src/async_test/src/main.rs	Mon Jan 18 20:52:32 2021 +0900
+++ b/src/async_test/src/main.rs	Tue Jan 19 18:30:44 2021 +0900
@@ -1,3 +1,5 @@
+
+// from https://rust-lang.github.io/async-book/01_getting_started/04_async_await_primer.html
 use futures::executor::block_on;
 
 struct Song {
@@ -37,6 +39,7 @@
 fn main() {
     let m = async_main();
     println!("waiting");
+    // m.await;
     block_on(m);
     async_test::fu_test::fu_test();
 }
\ No newline at end of file