Add ch02 C++ threading equivalents

Makefile

@@ -70,6 +70,8 @@ SOURCES_CXX=\
 ch01/alarm_cpp.cpp \
 ch01/alarm_fork_cpp.cpp \
 ch01/alarm_thread_cpp.cpp \
+ch02/hello_cpp.cpp \
+ch02/lifecycle_cpp.cpp \
 ch03/alarm_mutex_cpp.cpp \
 ch04/pipe_cpp.cpp
 

src/ch02/hello_cpp.cpp

@@ -0,0 +1,16 @@
+
+#include <iostream>
+#include <thread>
+
+void
+hello()
+{
+  std::cout << "Hello World\n";
+}
+
+int
+main(int argc, char* argv[])
+{
+  std::thread t(hello);
+  t.join();
+}

src/ch02/lifecycle_cpp.cpp

@@ -0,0 +1,24 @@
+
+#include <chrono>
+#include <iostream>
+#include <thread>
+
+void
+thread_routine()
+{
+  std::cout << "Inside thread" << std::this_thread::get_id() << "\n";
+}
+
+int
+main(int argc, char* argv[])
+{
+  std::cout << "Inside thread" << std::this_thread::get_id() << "\n";
+
+  std::thread t(thread_routine);
+
+  std::this_thread::sleep_for(std::chrono::seconds(1));
+
+  std::cout << "Main thread created thread " << t.get_id() << "\n";
+
+  t.join();
+}