pub(crate) mod entry_impl;
pub(crate) mod host_impl;
pub(crate) mod hostcalls_impl;
cfg_if::cfg_if! {
if #[cfg(target_os = "linux")] {
mod linux;
use self::linux as sys_impl;
} else if #[cfg(target_os = "emscripten")] {
mod emscripten;
use self::emscripten as sys_impl;
} else if #[cfg(any(target_os = "macos",
target_os = "netbsd",
target_os = "freebsd",
target_os = "openbsd",
target_os = "ios",
target_os = "dragonfly"))] {
mod bsd;
use self::bsd as sys_impl;
}
}
use std::fs::{File, OpenOptions};
use std::io::Result;
pub(crate) fn dev_null() -> Result<File> {
OpenOptions::new().read(true).write(true).open("/dev/null")
}