获取服务

首先要添加引用：System.ServiceProcess
然后导入命名空间：using System.ServiceProcess;

//获得服务集合
var serviceControllers = ServiceController.GetServices();
//遍历服务集合，打印服务名和服务状态
foreach (var service in serviceControllers)
{
    Console.WriteLine("ServiceName:{0}\t\tServiceStatus:{1}", service.ServiceName, service.Status);
}

启动服务

//获取指定服务，若服务状态不是Runing就Start该服务
var server = serviceControllers.FirstOrDefault(service => service.ServiceName == serviceName);
if (server!=null && server.Status != ServiceControllerStatus.Running)
{
    server.Start();
}

开一个线程定期检测服务状态

static void Main()
{
    ThreadPool.RegisterWaitForSingleObject(new AutoResetEvent(true), new WaitOrTimerCallback(TryStartRServer3), null, 30000, false);
}
private static void TryStartRServer3(object state, bool timedout)
{
    var serviceControllers = ServiceController.GetServices();
    var server = serviceControllers.FirstOrDefault(service => service.ServiceName == "RServer3");
    if (server != null && server.Status != ServiceControllerStatus.Running)
    {
        server.Start();
    }
}

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