public void Signal()
{
SignalTest st = new SignalTest();
// Insert handler
SignalHandler oh = Stdlib.signal(Signum.SIGURG,
new SignalHandler(st.Handler));
st.signalReceived = ~NativeConvert.FromSignum(Signum.SIGURG);
// Send signal
Stdlib.raise(Signum.SIGURG);
Assert.IsTrue(
NativeConvert.ToSignum(st.signalReceived) == Signum.SIGURG,
"#IH: Signal handler not invoked for SIGURG");
// Reset old signal
Stdlib.signal(Signum.SIGURG, oh);
st.signalReceived = NativeConvert.FromSignum(Signum.SIGUSR1);
Stdlib.raise(Signum.SIGURG);
Assert.IsFalse(NativeConvert.ToSignum(st.signalReceived) == Signum.SIGURG,
"#IH: Signal Handler invoked when it should have been removed!");
}
public UnixSignal(Signum signum)
{
this.signum = NativeConvert.FromSignum(signum);
this.signal_info = install(this.signum);
if (this.signal_info == IntPtr.Zero)
{
throw new ArgumentException("Unable to handle signal", "signum");
}
}