public static bool SignalAndWait (WaitHandle toSignal, WaitHandle toWaitOn,
int millisecondsTimeout, bool exitContext)
{
if (toSignal == null) {
throw new ArgumentNullException ("toSignal");
}
if (toWaitOn == null) {
throw new ArgumentNullException ("toWaitOn");
}
if (millisecondsTimeout < Timeout.Infinite) {
throw new ArgumentOutOfRangeException ("millisecondsTimeout");
}
toSignal.CheckDisposed ();
toWaitOn.CheckDisposed ();
var tos = toSignal.waitable;
var tow = toWaitOn.waitable;
if (tos == null || tow == null) {
return false;
}
try {
if (exitContext) {
SynchronizationAttribute.ExitContext ();
}
return StWaitable.SignalAndWait (tos, tow, new StCancelArgs (millisecondsTimeout, true));
} finally {
if (exitContext) {
SynchronizationAttribute.EnterContext ();
}
}
}
