void Schedule(Action action, int dueTimeMs)
{
//Contract.Ensures(Contract.ForAll(0, 5, i => action!= null));
WaitHandle handle = null;
handle = RegisterWaitForSingleObject(
_waitHandle,
() =>
{
action();
if (handle != null)
{
handle.GetHashCode();
}
},
dueTimeMs);
}
private static WaitHandle[] Sort(WaitHandle[] hs)
{
int i, jj;
int len = hs.Length;
WaitHandle[] shs = new WaitHandle[len];
//
// Find the first waitable that isn't a notification event
// in order to start the insertion sort.
//
jj = len;
for (i = 0; i < len; i++)
{
WaitHandle h = hs[i];
//
// If the current waitable is a notification event, insert
// it at the end of the ordered array; otherwise, insert it
// in the begining of the array and break the loop.
//
if (h is ManualResetEvent)
{
shs[--jj] = h;
}
else
{
shs[0] = h;
break;
}
}
//
// If all synchronizers are notification events, return.
//
if (i == len)
{
return(shs);
}
//
// Sort the remaining synchronizers using the insertion sort
// algorithm but only with the non-notification event waitables.
//
int k = 1;
for (i++; i < len; i++, k++)
{
WaitHandle h = hs[i];
if (h is ManualResetEvent)
{
shs[--jj] = h;
}
else
{
//
// Find the insertion position for *h*.
//
shs[k] = h;
int j = k - 1;
while (j >= 0 && shs[j].GetHashCode() > h.GetHashCode())
{
shs[j + 1] = shs[j];
j--;
}
//
// Insert at j+1 position.
//
shs[j + 1] = h;
//
// Check for duplicates.
//
if (shs[k - 1] == shs[k])
{
return(null);
}
}
}
return(shs);
}
public static int Main(String [] args)
{
int rValue = 100;
WaitHandle wh = null;
Console.WriteLine("Test AutoResetEvent for expected NullRef Exceptions");
Console.WriteLine( );
// try {
// #pragma warning disable 618
// wh.Handle = new IntPtr(1);
// #pragma warning restore 618
// rValue = 1;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (wh.Handle(new IntPtr(1)))");
// }
// try {
// #pragma warning disable 618
// IntPtr iptr = wh.Handle;
// #pragma warning restore 618
// rValue = 2;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (IntPtr iptr = wh.Handle)");
// }
// try {
// wh.Close();
// rValue = 3;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (wh.Close())");
// }
try {
wh.Equals(new ManualResetEvent(true));
rValue = 4;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.Equals(new ManualResetEvent()))");
}
try {
wh.GetHashCode();
rValue = 5;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.GetHasCode())");
}
// try {
// wh.GetLifetimeService();
// rValue = 6;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (wh.GetLifetimeService())");
// }
try {
wh.GetType();
rValue = 7;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.GetType())");
}
// try {
// wh.InitializeLifetimeService();
// rValue = 8;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (wh.InitializeLifeTimeService())");
// }
try {
wh.ToString();
rValue = 11;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.ToString())");
}
try {
wh.WaitOne();
rValue = 12;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.WaitOne())");
}
try {
wh.WaitOne(1000); //,true);
rValue = 13;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.WaitOne(int))");
}
// try {
// wh.WaitOne(1000,false);
// rValue = 14;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (wh.WaitOne(int,bool))");
// }
try {
wh.WaitOne(new TimeSpan(1000)); //,true);
rValue = 15;
}
catch (NullReferenceException) {
Console.WriteLine("Caught NullReferenceException (wh.WaitOne(TimeSpan,bool))");
}
// try {
// wh.WaitOne(new TimeSpan(1000),false);
// rValue = 16;
// }
// catch (NullReferenceException) {
// Console.WriteLine("Caught NullReferenceException (wh.WaitOne(TimeSpan,bool))");
// }
Console.WriteLine("Return Code == {0}", rValue);
return(rValue);
}
