public static bool Uninstall(SystemSignalHandler handler)
{
if (handler == null)
{
throw new ArgumentNullException("handler");
}
return(Uninstall(handler.Signal));
}
public static bool Uninstall(Signals signum)
{
SystemSignalHandler handler = installedHandlers[signum] as SystemSignalHandler;
if (handler == null)
{
return(false);
}
handler.Uninstall();
return(true);
}
public static void Install(Type type, params object[] args)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
if (!typeof(SystemSignalHandler).IsAssignableFrom(type))
{
throw new ArgumentException("The specified type '" + type + "' is not assignable from SystemSignalHandler.");
}
SystemSignalHandler handler = (SystemSignalHandler)Activator.CreateInstance(type, args);
Install(handler);
}
public static void Install(SystemSignalHandler handler)
{
if (handler == null)
{
throw new ArgumentNullException("handler");
}
Signals signum = handler.Signal;
if (installedHandlers.ContainsKey(signum))
{
throw new InvalidOperationException("An handler for the system signal " + signum + " is already installed.");
}
handler.Install();
installedHandlers.Add(signum, handler);
}
