add first code example.

Author: forhappy

code/chapter1/hello-world/Makefile

@@ -0,0 +1,17 @@
+all:hello-world
+
+CC=g++
+CPPFLAGS=-Wall -std=c++11 -ggdb
+LDFLAGS=-pthread
+
+hello-world:hello-world.o
+	$(CC) $(LDFLAGS) -o $@ $^
+
+hello-world.o:hello-world.cc
+	$(CC) $(CPPFLAGS) -o $@ -c $^
+
+.PHONY:
+	clean
+
+clean:
+	rm hello-world.o hello-world

code/chapter1/hello-world/hello-world.cc

@@ -0,0 +1,31 @@
+/*
+ * ========================================================================
+ *
+ *       Filename:  hello-world.cc
+ *
+ *    Description:  std::thread hello world example.
+ *
+ *        Created:  09/14/2013 09:41:12 AM
+ *
+ *         Author:  Fu Haiping (forhappy), [email protected]
+ *        Company:  ICT ( Institute Of Computing Technology, CAS )
+ *
+ * ========================================================================
+ */
+
+#include <cstdio>
+#include <cstdlib>
+#include <iostream> // std::cout
+#include <thread>   // std::thread
+
+void thread_task() {
+    std::cout << "hello thread" << std::endl;
+}
+
+int main(int argc, const char *argv[])
+{
+    std::thread t(thread_task);
+    t.join();
+
+    return EXIT_SUCCESS;
+}