1pub mod condvar; 2pub mod mutex; 3pub mod rwlock; 4 5pub fn cvt_nz(error: libc::c_int) -> std::io::Result<()> { 6 if error == 0 { 7 Ok(()) 8 } else { 9 Err(std::io::Error::from_raw_os_error(error)) 10 } 11}