11     type IoDriver = crate::io::driver::Driver;
13     pub(crate) type IoHandle = Option<crate::io::driver::Handle>;
22             let io_driver = crate::io::driver::Driver::new()?;
56     type SignalDriver = crate::signal::unix::driver::Driver;
57     pub(crate) type SignalHandle = Option<crate::signal::unix::driver::Handle>;
60         let driver = crate::signal::unix::driver::Driver::new(io_driver)?;  localVariable
61         let handle = driver.handle();
62         Ok((driver, Some(handle)))
81     type ProcessDriver = crate::process::unix::driver::Driver;
84         crate::process::unix::driver::Driver::new(signal_driver)
101     type TimeDriver = crate::park::either::Either<crate::time::driver::Driver<IoStack>, IoStack>;
104     pub(crate) type TimeHandle = Option<crate::time::driver::Handle>;
118             let driver = crate::time::driver::Driver::new(io_stack, clock);  localVariable
119             let handle = driver.handle();
121             (Either::A(driver), Some(handle))