Created
July 16, 2015 15:45
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Demostración del uso de `SpinWait` en C#.
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// OrtizOL - xCSw - http://ortizol.blogspot.com | |
using System; | |
using System.Threading; | |
namespace Receta.Multithreading.R0208 | |
{ | |
public class ModoUsuarioVsModoKernel | |
{ | |
static volatile bool finalizado = false; | |
public static void Main() | |
{ | |
Console.WriteLine(Environment.NewLine); | |
Thread t1 = new Thread(ModoEsperaUsuario); | |
Thread t2 = new Thread(ModoEsperaKernel); | |
Console.WriteLine("Modo espera de usuario en ejecución"); | |
t1.Start(); | |
Thread.Sleep(20); | |
finalizado = true; | |
Thread.Sleep(TimeSpan.FromSeconds(2)); | |
finalizado = false; | |
Console.WriteLine("Modo espera de kernel en ejecución"); | |
t2.Start(); | |
Thread.Sleep(5); | |
finalizado = true; | |
Console.WriteLine(Environment.NewLine); | |
} | |
// Método que simula la espera de usuario: | |
public static void ModoEsperaUsuario() | |
{ | |
while (!finalizado) | |
{ | |
Console.Write("."); | |
} | |
Console.WriteLine(); | |
Console.WriteLine("La espera de usuario ha finalizado."); | |
} | |
// Método que simula la espera de kernel con SpinWait: | |
public static void ModoEsperaKernel() | |
{ | |
SpinWait sw = new SpinWait(); | |
while (!finalizado) | |
{ | |
sw.SpinOnce(); | |
Console.WriteLine(sw.NextSpinWillYield); | |
} | |
Console.WriteLine("La espera de kernel ha finalizado."); | |
} | |
} | |
} |
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