More examples implemented and moved code around

example/debug_function.cpp

@@ -0,0 +1,32 @@
+// Copyright Antony Polukhin, 2016.
+//
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+//[getting_started_debug_function
+#include <signal.h>     // ::signal
+#include <boost/stacktrace/frame.hpp>
+#include <iostream>     // std::cerr
+
+void print_signal_handler_and_exit() {
+    void* p = reinterpret_cast<void*>(::signal(SIGSEGV, SIG_DFL));
+    boost::stacktrace::frame f(p);
+    std::cout << f << std::endl;
+    std::exit(0);
+}
+//]
+
+
+void my_signal_handler(int signum) {
+    std::exit(1);
+}
+
+int main() {
+    ::signal(SIGSEGV, &my_signal_handler);
+    print_signal_handler_and_exit();
+    
+    return 2;
+}
+
+