internal object trap(object sig, object arg)
{
int signal = 0;
switch (((String)sig).value)
{
case "SIGINT":
signal = 2;
break;
case "SIGILL":
signal = 4;
break;
case "SIGFPE":
signal = 8;
break;
case "SIGSEGV":
signal = 11;
break;
case "SIGTERM":
signal = 15;
break;
case "SIGBREAK":
signal = 21;
break;
case "SIGABRT":
signal = 22;
break;
}
sighandler handler;
if (arg is Proc)
handler = new sighandler(new Handler((Proc)arg).HandleSignal);
else if (arg is sighandler)
handler = (sighandler)arg;
else
handler = null;
handlers.Add(handler); // (avoid garbage collection of unmanaged handlers)
return Stdlib.signal(signal, handler).ToInt32();
}
internal static extern System.IntPtr signal(int signum, sighandler handler);