From a649cd86334e1f8561e85ac3a78a2bb18f763e48 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20M=C3=BCller?= <michael.mueller@uos.de>
Date: Fri, 1 Jul 2022 16:14:04 +0200
Subject: [PATCH] Use native threads.

---
 repos/mml/src/app/thread_test/thread_test.cc | 80 ++++++++++++--------
 1 file changed, 48 insertions(+), 32 deletions(-)

diff --git a/repos/mml/src/app/thread_test/thread_test.cc b/repos/mml/src/app/thread_test/thread_test.cc
index 199c451e2c..af42a4ffe9 100644
--- a/repos/mml/src/app/thread_test/thread_test.cc
+++ b/repos/mml/src/app/thread_test/thread_test.cc
@@ -1,46 +1,62 @@
 #include <base/component.h>
-#include <thread>
-#include <iostream>
-#include <sched.h>
-#include <unistd.h>
-
-namespace ThreadTest {
-    class Test;
+#include <timer_session/connection.h>
+#include <base/heap.h>
+#include <cstdint>
+namespace Thread_test {
+    class Tester;
+    class Test_thread;
 }
 
-class ThreadTest::Test
+using namespace Genode;
+
+class Thread_test::Test_thread : public Thread
 {
+    private:
+        Env &_env;
+        uint16_t _id;
+        Timer::Connection _timer{_env};
 
     public:
+        List_element<Test_thread> _list_element{this};
 
-    void execute() 
+        Test_thread(Env &env, uint16_t id, Location &location) : _env(env), _id(id) : Thread(env, Name("test_", location.xpos(), "x", location.ypos()), 4 * 4096, location, Weight(), env.cpu()) 
+        { }
+
+        void entry() override
+        {
+            while(true) {
+                Genode::log("Pong from thread ", _id);
+                _timer.msleep(_id * 1000);
+            }
+        }
+};
+
+class Thread_test::Tester
+{
+    typedef List<List_element<Thread_test::Test_thread>> Thread_list;
+
+private:
+    Env &_env;
+    Heap _heap{_env.ram(), _env.rm()};
+    Thread_list _threads{};
+
+public:
+    Tester(Env &env) : _env(env)
     {
-        while(true) {
-            Genode::log("Hello world");
-            //std::cout << "Hello world" << std::endl;
-            //std::this_thread::sleep_for(std::chrono::seconds(5));
-            sleep(2);
+        Affinity::Space space = env.cpu().affinity_space();
+
+        for (unsigned i = 0; i < space.total(); i++) {
+            Affinity::Location location = env.cpu().affinity_space().location_of_index(i);
+            Test_thread *thread = new (_heap) Test_thread(env, i, location);
+            thread->start();
+
+            _threads.insert(&thread->_list_element);
         }
     }
 };
 
-int main(void)
+void Component::construct(Genode::Env &env)
 {
-    /* Create test posix thread via std::thread API */
-    ThreadTest::Test test;
-    auto test_thread = std::thread([&] { test.execute(); });
-    
-    /* Print native threads affinity */
-
-    test_thread.join();
-    return 0;
+    static Thread_test::Tester tester(env);
+    Genode::log("Thread tester constructed.");
 }
-
-//void Component::construct(Genode::Env &env)
-//{
-    //static ThreadTest::Test test;
-    //Genode::log("ThreadTest constructed.");
-    //test.execute();
-    ////std::thread([&]
-                ////{ main.execute(); });
-//}