public void Refresh(DeadLock deadlock)
{
List <DeadLockItem> deadLockItems = deadlock.Items;
TreeNodeCollection deadLockItemNodes = r_deadlockNode.Nodes;
int countNew = deadLockItems.Count;
int countOld = deadLockItemNodes.Count;
int to = countNew;
if (countNew < countOld)
{
for (int i = countNew; i < countOld; ++i)
{
r_deadLockItemNodes[countNew].Remove();
r_deadLockItemNodes.RemoveAt(countNew);
}
}
else if (countOld < countNew)
{
to = countOld;
for (int i = 0; i < (countNew - countOld); ++i)
{
DeadLockItemNode deadLockItemNode = new DeadLockItemNode(r_manager, r_deadlockNode, deadLockItems[countOld + i]);
r_deadLockItemNodes.Add(deadLockItemNode);
}
}
for (int i = 0; i < to; ++i)
{
r_deadLockItemNodes[i].Refresh(deadLockItems[i]);
}
}
public void Refresh(DeadLock deadlock)
{
List<DeadLockItem> deadLockItems = deadlock.Items;
TreeNodeCollection deadLockItemNodes = r_deadlockNode.Nodes;
int countNew = deadLockItems.Count;
int countOld = deadLockItemNodes.Count;
int to = countNew;
if (countNew < countOld)
{
for (int i = countNew; i < countOld; ++i)
{
r_deadLockItemNodes[countNew].Remove();
r_deadLockItemNodes.RemoveAt(countNew);
}
}
else if (countOld < countNew)
{
to = countOld;
for (int i = 0; i < (countNew - countOld); ++i)
{
DeadLockItemNode deadLockItemNode = new DeadLockItemNode(r_manager, r_deadlockNode, deadLockItems[countOld + i]);
r_deadLockItemNodes.Add(deadLockItemNode);
}
}
for (int i = 0; i < to; ++i)
{
r_deadLockItemNodes[i].Refresh(deadLockItems[i]);
}
}
static void TryDeadLock()
{
DeadLock dead = new DeadLock();
var t1 = new Thread(() => dead.F1());
var t2 = new Thread(() => dead.F2());
t1.Name = "T1";
t2.Name = "T2";
t1.Start();
t2.Start();
}
public static void ThreadSafeAccess()
{
DeadLock deadLock = new DeadLock();
lock (deadLock)
{
Thread thread = new Thread(deadLock.Method1);
thread.Start();
// Do some time consuming task here
}
int num = 0;
if (Monitor.TryEnter(MonitorMethodAccess.SyncRoot, 250))
{
MonitorMethodAccess.ModifyNumericField(10);
num = MonitorMethodAccess.ReadNumericField();
Monitor.Exit(MonitorMethodAccess.SyncRoot);
}
Console.WriteLine(num);
}
/// <summary>
/// Vai para o promixo passo se possivel
/// </summary>
/// <param name="sender">object</param>
/// <param name="e">event</param>
private void BtnProximoPasso_Click(object sender, EventArgs e)
{
try
{
Parametros.QtdLinha = decimal.Parse(numeroDeLinha);
Parametros.QtdColuna = decimal.Parse(numeroDeColuna);
if (Parametros == null)
{
throw new Exception("O estado não é seguro e os processos foram finalizados!");
}
var objDeadLock = new DeadLock(Parametros);
Parametros = objDeadLock.Execute();
if (Parametros == null)
{
throw new Exception("Erro - DeadLock - A quantidade necessaria para a execução do processo é maior que a quantidade disponivel!");
}
MessageBox.Show(objDeadLock.DescricaoExecucao,
Program.TitleProgram, MessageBoxButtons.OK, MessageBoxIcon.Information);
PopuleGrids();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message,
Program.TitleProgram,
MessageBoxButtons.OK,
ex.Message.Contains("DeadLock")
?MessageBoxIcon.Error
:MessageBoxIcon.Warning);
btnProximoPasso.Visible = false;
btnIniciar.Visible = true;
btnLimpar.Visible = true;
btnGerarVetorDAutomaticamente.Visible = true;
BloqueiGrids();
}
}
public void Multithreading_DeadLockExample_Should_Result_InDeadLock()
{
var m = new DeadLock();
m.DeadlockExample();
}
