示例#1
0
        /// <summary>
        /// Launches a background thread to listen for POSIX signals.
        /// Exit on two signal 2's or one signal 15.
        /// </summary>
        static void InstallSignalHandler(RCRunner runner)
        {
#if __MonoCS__
            UnixSignal[] signals =
            {
                new UnixSignal(Mono.Unix.Native.Signum.SIGTERM),
                new UnixSignal(Mono.Unix.Native.Signum.SIGINT)
            };
            Thread signalThread = new Thread(delegate()
            {
                while (true)
                {
                    int index = UnixSignal.WaitAny(signals, -1);
                    if (index < 0)
                    {
                        continue;
                    }
                    Mono.Unix.Native.Signum signal = signals[index].Signum;
                    if (signal == Mono.Unix.Native.Signum.SIGTERM)
                    {
                        ThreadPool.QueueUserWorkItem(delegate(object state)
                        {
                            RCSystem.Log.Record(0, 0, "runner", 0, "signal", "SIGTERM");
                            runner.Abort(15);
                        });
                    }
                    else if (signal == Mono.Unix.Native.Signum.SIGINT)
                    {
                        if (!_firstSigint)
                        {
                            _firstSigint = true;
                            ThreadPool.QueueUserWorkItem(delegate(object state)
                            {
                                RCSystem.Log.Record(0, 0, "runner", 0, "signal", "SIGINT");
                                runner.Interupt();
                            });
                        }
                        else
                        {
                            ThreadPool.QueueUserWorkItem(delegate(object state)
                            {
                                RCSystem.Log.Record(0, 0, "runner", 0, "signal", "SIGINT (exiting)");
                                runner.Abort(2);
                            });
                        }
                    }
                }
            });
            signalThread.IsBackground = true;
            signalThread.Start();
#endif
        }