From a839c7dc3e3d5fc57bd5253661841686cbbfda65 Mon Sep 17 00:00:00 2001
From: Robin Mueller <muellerr@irs.uni-stuttgart.de>
Date: Wed, 5 Oct 2022 11:47:24 +0200
Subject: [PATCH] remove shared counter

---
 main.cpp         | 2 --
 start_main.cpp   | 2 --
 ws-ipc/README.md | 6 ++++++
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/main.cpp b/main.cpp
index 318dcfe..53eac6c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -2,8 +2,6 @@
 
 using namespace std;
 
-static uint32_t SHARED_COUNTER = 0;
-
 int main() {
     cout << "Hello World" << endl;
 }
diff --git a/start_main.cpp b/start_main.cpp
index 318dcfe..53eac6c 100644
--- a/start_main.cpp
+++ b/start_main.cpp
@@ -2,8 +2,6 @@
 
 using namespace std;
 
-static uint32_t SHARED_COUNTER = 0;
-
 int main() {
     cout << "Hello World" << endl;
 }
diff --git a/ws-ipc/README.md b/ws-ipc/README.md
index fdc5399..6ccf759 100644
--- a/ws-ipc/README.md
+++ b/ws-ipc/README.md
@@ -23,3 +23,9 @@ if you are completely new to concurrency in C++.
    is protected by a [`std::mutex`](https://en.cppreference.com/w/cpp/thread/mutex).
    You can also use the [`std::lock_guard`](https://en.cppreference.com/w/cpp/thread/lock_guard)
    which is a [RAII-style](https://en.cppreference.com/w/cpp/language/raii) helper object.
+
+# 2. Using messages
+
+C++ does not really have an built-in message queue implementation.
+We are going to use a `std::queue` in conjunction with a `std::mutex` to
+have something similar to a message queue API.