private static Channel prepareStdioChannel(Ruby runtime, STDIO stdio, Object stream) {
if (runtime.getPosix().isNative() && stdio.isJVMDefault(stream) && !Platform.IS_WINDOWS) {
// use real native channel for stdio
return new NativeDeviceChannel(stdio.fileno());
} else {
switch (stdio) {
case IN:
return Channels.newChannel((InputStream) stream);
case OUT:
case ERR:
return Channels.newChannel((OutputStream) stream);
default:
throw new RuntimeException("invalid stdio: " + stdio);
}
}
}
private static int handleRaiseException(RaiseException rj) {
RubyException raisedException = rj.getException();
Ruby runtime = raisedException.getRuntime();
if (runtime.getSystemExit().isInstance(raisedException)) {
IRubyObject status = raisedException.callMethod(runtime.getCurrentContext(), "status");
if (status != null && !status.isNil()) {
return RubyNumeric.fix2int(status);
} else {
return 0;
}
} else {
runtime
.getErrorStream()
.print(
runtime
.getInstanceConfig()
.getTraceType()
.printBacktrace(raisedException, runtime.getPosix().isatty(FileDescriptor.err)));
return 1;
}
}
public IRubyObject getValue() {
return pid != null ? pid : (pid = runtime.newFixnum(runtime.getPosix().getpid()));
}
