private void Application_Startup(object sender, StartupEventArgs e)
{
instanceLock = new SingleGlobalInstance(TimeSpan.FromSeconds(1), "9b8e7757-9368-4034-9ecd-7892e7f730f7");
if (!instanceLock.GetMutex())
{
MessageBox.Show("System Info is already running");
Shutdown();
}
// Create a default configuration
var configuration = new ConfigurationBuilder()
.SetFileLoadExceptionHandler(x => x.Ignore = true)
.AddJsonFile(SettingsHelper.GetSettingsFilePath(), true, true)
.Build();
var serviceProvider = new ServiceCollection()
.AddAssemblyResolver()
.AddRegisteredTypes()
.AddOptions()
.AddSingleton <IConfiguration>(configuration)
.Configure <WindowSettings>(configuration.GetSection(typeof(WindowSettings).Name))
.AddNonGenericLoggerError()
.AddFromAssemblies(new[] { "SystemInfo.Core" })
.AddWindows(Array.Empty <string>())
.BuildServiceProvider();
notifyIcon = (TaskbarIcon)FindResource("NotifyIcon");
notifyIcon.DataContext = serviceProvider.GetRequiredService <INotifyIconViewModel>();
window = serviceProvider.GetView <MainWindow, IMainWindowViewModel>();
window.Show();
}
public void OnlyOneInstanceAllowed()
{
var gui = Guid.NewGuid().ToString();
using var instance = new SingleGlobalInstance(gui);
var hasInstance = instance.GetMutex();
var taskNotCancelled = Task.Run(() =>
{
using var instance = new SingleGlobalInstance(gui);
var hasInstance = instance.GetMutex();
}).Wait(TimeSpan.FromSeconds(1));
Assert.IsTrue(hasInstance);
Assert.IsFalse(taskNotCancelled);
}
public void DisposeReleasesMutex()
{
var gui = Guid.NewGuid().ToString();
var instance = new SingleGlobalInstance(gui);
var hasInstance = instance.GetMutex();
Assert.IsTrue(hasInstance);
var task = Task.Run(() =>
{
using var instance = new SingleGlobalInstance(gui);
var hasInstance = instance.GetMutex();
Assert.IsTrue(hasInstance);
});
instance.Dispose();
var taskNotCancelled = task.Wait(TimeSpan.FromSeconds(5));
Assert.IsTrue(taskNotCancelled);
}
public void GetMutexWhenThreadExits()
{
var gui = Guid.NewGuid().ToString();
void Action()
{
var instance = new SingleGlobalInstance(gui);
var hasInstance = instance.GetMutex();
Assert.IsTrue(hasInstance);
Task.Delay(200).Wait();
}
var thread1 = new Thread(new ThreadStart(Action));
var thread2 = new Thread(new ThreadStart(Action));
thread1.Start();
thread2.Start();
var taskNotCancelled1 = thread1.Join(TimeSpan.FromSeconds(1));
var taskNotCancelled2 = thread2.Join(TimeSpan.FromSeconds(1));
Assert.IsTrue(taskNotCancelled1);
Assert.IsTrue(taskNotCancelled2);
}
