// Queue a new I/O completion item within the thread pool.
// This version is used by the "System" assembly in ECMA_COMPAT
// mode when "WaitCallback" is not defined.
internal static bool QueueCompletionItem
(AsyncCallback callBack, IAsyncResult state)
{
lock (typeof(ThreadPool))
{
if (completionWait == null)
{
completionWait = new Object();
}
}
AddCompletionItem
(new WorkItem(ClrSecurity.GetPermissionsFrom(1),
callBack, state));
return(true);
}
// Register a callback to be invoked when a wait handle is available.
public static RegisteredWaitHandle RegisterWaitForSingleObject
(WaitHandle waitObject, WaitOrTimerCallback callBack,
Object state, int millisecondsTimeOutInterval,
bool executeOnlyOnce)
{
if (waitObject == null)
{
throw new ArgumentNullException("waitObject");
}
if (millisecondsTimeOutInterval < -1)
{
throw new ArgumentOutOfRangeException
("millisecondsTimeOutInterval",
_("ArgRange_NonNegOrNegOne"));
}
WorkItem item = new WorkItem(ClrSecurity.GetPermissionsFrom(1),
waitObject, callBack, state,
millisecondsTimeOutInterval,
executeOnlyOnce);
AddWorkItem(item);
return(new RegisteredWaitHandle(item));
}
// Queue a new work item within the thread pool.
public static bool QueueUserWorkItem(WaitCallback callBack, Object state)
{
AddWorkItem(new WorkItem(ClrSecurity.GetPermissionsFrom(1),
callBack, state));
return(true);
}