rust/library/std/src/os/mod.rs

//! OS-specific functionality.

#![stable(feature = "os", since = "1.0.0")]
#![allow(missing_docs, nonstandard_style, missing_debug_implementations)]

pub mod raw;

// The code below could be written clearer using `cfg_if!`. However, the items below are
// publicly exported by `std` and external tools can have trouble analysing them because of the use
// of a macro that is not vendored by Rust and included in the toolchain.
// See https://github.com/rust-analyzer/rust-analyzer/issues/6038.

// On certain platforms right now the "main modules" modules that are
// documented don't compile (missing things in `libc` which is empty),
// so just omit them with an empty module and add the "unstable" attribute.

#[cfg(all(target_vendor = "fortanix", target_env = "sgx"))]
pub mod fortanix_sgx;

// Unix, linux, wasi and windows are handled a bit differently.
cfg_if::cfg_if! {
    if #[cfg(all(
            doc,
            any(
                all(target_arch = "wasm32", not(target_os = "wasi")),
                all(target_vendor = "fortanix", target_env = "sgx")
            )
        ))]
    {
        #[unstable(issue = "none", feature = "std_internals")]
        pub mod unix {}
        #[unstable(issue = "none", feature = "std_internals")]
        pub mod linux {}
        #[unstable(issue = "none", feature = "std_internals")]
        pub mod wasi {}
        #[unstable(issue = "none", feature = "std_internals")]
        pub mod windows {}
    } else {
        #[cfg(target_os = "hermit")]
        #[path = "hermit/mod.rs"]
        pub mod unix;

        #[cfg(any(unix, doc))]
        pub mod unix;

        #[cfg(any(target_os = "linux", target_os = "l4re", doc))]
        pub mod linux;

        #[cfg(any(target_os = "wasi", doc))]
        pub mod wasi;

        #[cfg(any(windows, doc))]
        pub mod windows;
    }
}

// Others.
#[cfg(target_os = "android")]
pub mod android;
#[cfg(target_os = "dragonfly")]
pub mod dragonfly;
#[cfg(target_os = "emscripten")]
pub mod emscripten;
#[cfg(target_os = "espidf")]
pub mod espidf;
#[cfg(target_os = "freebsd")]
pub mod freebsd;
#[cfg(target_os = "fuchsia")]
pub mod fuchsia;
#[cfg(target_os = "haiku")]
pub mod haiku;
#[cfg(target_os = "illumos")]
pub mod illumos;
#[cfg(target_os = "ios")]
pub mod ios;
#[cfg(target_os = "macos")]
pub mod macos;
#[cfg(target_os = "netbsd")]
pub mod netbsd;
#[cfg(target_os = "openbsd")]
pub mod openbsd;
#[cfg(target_os = "redox")]
pub mod redox;
#[cfg(target_os = "solaris")]
pub mod solaris;

#[cfg(target_os = "vxworks")]
pub mod vxworks;

#[cfg(any(unix, target_os = "wasi", doc))]
mod fd;