Global variables for the handler must be volatile

Artiom N. · Artiom N. · commit 3c2554e99398 · 2024-07-19T03:22:20.000+03:00
diff --git a/src/book01/ch06/cpp/oob_example/oob_server_async.cpp b/src/book01/ch06/cpp/oob_example/oob_server_async.cpp
@@ -20,7 +20,7 @@ extern "C"
 
 
 constexpr size_t buffer_size = 255;
-std::atomic<bool> oob_flag = false;
+volatile std::atomic<bool> oob_flag = false;
 
 
 void signal_handler(int signal)
