Example for a cell that voluntarily terminates after a period of time.

repos/mml/src/app/volatile_cell/target.mk

@@ -0,0 +1,3 @@
+TARGET = volatile_cell
+SRC_CC = volatile_cell.cc
+LIBS += base 

repos/mml/src/app/volatile_cell/volatile_cell.cc

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+#include <base/component.h>
+#include <base/env.h>
+#include <timer_session/connection.h>
+#include <base/log.h>
+
+namespace Hoitaja_test {
+    class Volatile_cell;
+}
+
+
+class Hoitaja_test::Volatile_cell
+{
+    private:
+        Genode::Env &_env;
+        Timer::Connection _timer{_env};
+
+        void _handle_timeout()
+        {
+            Genode::log("My time has come. Exiting ...");
+            _env.parent().exit(0);
+        }
+
+        Genode::Signal_handler<Volatile_cell> _timeout_handler{
+            _env.ep(), *this, &Volatile_cell::_handle_timeout};
+
+    public:
+        Volatile_cell(Genode::Env &env) : _env(env) 
+        {
+            Genode::log("My affinity space is ", _env.cpu().affinity_space());
+            _timer.sigh(_timeout_handler);
+            _timer.trigger_once(30 * 1000 * 1000);
+        }
+};
+
+void Component::construct(Genode::Env &env) { static Hoitaja_test::Volatile_cell cell(env); }