import(life): ...

1 files changed, 28 insertions, 0 deletions

diff --git a/works/life/operating-system-experiment/InterlockedAvoidDataRaceDemo.cpp b/works/life/operating-system-experiment/InterlockedAvoidDataRaceDemo.cpp
new file mode 100644
index 0000000..91d6d50
--- /dev/null
+++ b/works/life/operating-system-experiment/InterlockedAvoidDataRaceDemo.cpp
@@ -0,0 +1,28 @@
+#include "Interlocked.hpp"
+#include "Thread.h"
+
+#include <iostream>
+
+int main() {
+  volatile long long data = 0;
+
+  cru::Thread t1([&data] {
+    for (int i = 0; i < 100000; i++)
+      cru::CruInterlockedAdd(&data, 10);
+  });
+
+  cru::Thread t2([&data] {
+    for (int i = 0; i < 100000; i++)
+      cru::CruInterlockedAdd(&data, 10);
+  });
+
+  std::cout << "Created thread: " << t1.GetNativeID() << '\n';
+  std::cout << "Created thread: " << t2.GetNativeID() << '\n';
+
+  t1.Join();
+  t2.Join();
+  std::cout << "Answer is " << data << ", which is "
+            << (data == 2000000 ? "correct" : "false") << '\n';
+
+  return 0;
+}