1 files changed, 150 insertions, 0 deletions
diff --git a/library/std/src/os/mod.rs b/library/std/src/os/mod.rs
new file mode 100644
index 000000000..6fbaa42c7
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+++ b/library/std/src/os/mod.rs
@@ -0,0 +1,150 @@
+//! 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.
+
+// Unix, linux, wasi and windows are handled a bit differently.
+#[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 {}
+#[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 linux {}
+#[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 wasi {}
+#[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 windows {}
+
+// unix
+#[cfg(not(all(
+    doc,
+    any(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        all(target_vendor = "fortanix", target_env = "sgx")
+    )
+)))]
+#[cfg(target_os = "hermit")]
+#[path = "hermit/mod.rs"]
+pub mod unix;
+#[cfg(not(all(
+    doc,
+    any(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        all(target_vendor = "fortanix", target_env = "sgx")
+    )
+)))]
+#[cfg(all(not(target_os = "hermit"), any(unix, doc)))]
+pub mod unix;
+
+// linux
+#[cfg(not(all(
+    doc,
+    any(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        all(target_vendor = "fortanix", target_env = "sgx")
+    )
+)))]
+#[cfg(any(target_os = "linux", doc))]
+pub mod linux;
+
+// wasi
+#[cfg(not(all(
+    doc,
+    any(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        all(target_vendor = "fortanix", target_env = "sgx")
+    )
+)))]
+#[cfg(any(target_os = "wasi", doc))]
+pub mod wasi;
+
+// windows
+#[cfg(not(all(
+    doc,
+    any(
+        all(target_arch = "wasm32", not(target_os = "wasi")),
+        all(target_vendor = "fortanix", target_env = "sgx")
+    )
+)))]
+#[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(all(target_vendor = "fortanix", target_env = "sgx"))]
+pub mod fortanix_sgx;
+#[cfg(target_os = "freebsd")]
+pub mod freebsd;
+#[cfg(target_os = "fuchsia")]
+pub mod fuchsia;
+#[cfg(target_os = "haiku")]
+pub mod haiku;
+#[cfg(target_os = "horizon")]
+pub mod horizon;
+#[cfg(target_os = "illumos")]
+pub mod illumos;
+#[cfg(target_os = "ios")]
+pub mod ios;
+#[cfg(target_os = "l4re")]
+pub mod l4re;
+#[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 = "solid_asp3")]
+pub mod solid;
+#[cfg(target_os = "vxworks")]
+pub mod vxworks;
+
+#[cfg(any(unix, target_os = "wasi", doc))]
+mod fd;