simply copy signal handling code from gameserver project

+#ifndef __SIGNAL_HANDLING_H__
+#define __SIGNAL_HANDLING_H__
+
+extern volatile int doShutdown;
+
+void terminate(int signum);
+void init_signals(void);
+
+#endif // __SIGNAL_HANDLING_H__
+

+#include <signal.h>     /* for signal() and signal names */
+
+#include "include/monitor.h"
+
+volatile int doShutdown;
+
+void terminate(int signum)
+{
+    signal(signum, SIG_IGN);
+    syslogMonitor(LOG_INFO, MON_CRITICAL, "signals",
+                  "caugth deadly signal %d", signum);
+    syslogMonitor(LOG_INFO, MON_FAILURE, "signals",
+                  "caugth deadly signal %d - service terminated", signum);
+    doShutdown = 1;
+}
+
+void init_signals(void)
+{
+    signal(SIGTERM, terminate);
+    signal(SIGHUP, SIG_IGN);
+    signal(SIGINT, terminate);
+    signal(SIGQUIT, terminate);
+    signal(SIGABRT, terminate);
+    signal(SIGALRM, SIG_IGN);
+    signal(SIGURG, SIG_IGN);
+
+    signal(SIGPIPE, SIG_IGN);
+}