Added HandlerSocket plugin

- Fixed compiler errors
- Modified Makefiles to be part of plugin directory
- Some minor changes in database.cpp to use the new MariaDB handler interface

plugin/handler_socket/libhsclient/fatal.cpp

@@ -0,0 +1,36 @@
+
+// vim:sw=2:ai
+
+/*
+ * Copyright (C) 2010 DeNA Co.,Ltd.. All rights reserved.
+ * See COPYRIGHT.txt for details.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <syslog.h>
+
+#include "fatal.hpp"
+
+namespace dena {
+
+const int opt_syslog = LOG_ERR | LOG_PID | LOG_CONS;
+
+void
+fatal_exit(const std::string& message)
+{
+  fprintf(stderr, "FATAL_EXIT: %s\n", message.c_str());
+  syslog(opt_syslog, "FATAL_EXIT: %s", message.c_str());
+  _exit(1);
+}
+
+void
+fatal_abort(const std::string& message)
+{
+  fprintf(stderr, "FATAL_COREDUMP: %s\n", message.c_str());
+  syslog(opt_syslog, "FATAL_COREDUMP: %s", message.c_str());
+  abort();
+}
+
+};
+