rust-lang · thaliaarchi · Sep 20, 2025
diff --git a/library/std/src/sys/mod.rs b/library/std/src/sys/mod.rs
@@ -26,6 +26,7 @@ pub mod io;
 pub mod net;
 pub mod os_str;
 pub mod path;
+pub mod pipe;
 pub mod platform_version;
 pub mod process;
 pub mod random;

diff --git a/library/std/src/sys/pal/hermit/mod.rs b/library/std/src/sys/pal/hermit/mod.rs
@@ -23,8 +23,6 @@ use crate::sys::env;
 
 pub mod futex;
 pub mod os;
-#[path = "../unsupported/pipe.rs"]
-pub mod pipe;
 pub mod time;
 
 pub fn unsupported<T>() -> crate::io::Result<T> {

diff --git a/library/std/src/sys/pal/sgx/mod.rs b/library/std/src/sys/pal/sgx/mod.rs
@@ -11,8 +11,6 @@ use crate::sync::atomic::{Atomic, AtomicBool, Ordering};
 pub mod abi;
 mod libunwind_integration;
 pub mod os;
-#[path = "../unsupported/pipe.rs"]
-pub mod pipe;
 pub mod thread_parking;
 pub mod time;
 pub mod waitqueue;

diff --git a/library/std/src/sys/pal/solid/mod.rs b/library/std/src/sys/pal/solid/mod.rs
@@ -18,8 +18,6 @@ pub mod itron {
 // `crate::sys::error`
 pub(crate) mod error;
 pub mod os;
-#[path = "../unsupported/pipe.rs"]
-pub mod pipe;
 pub use self::itron::thread_parking;
 pub mod time;
 

diff --git a/library/std/src/sys/pal/teeos/mod.rs b/library/std/src/sys/pal/teeos/mod.rs
@@ -7,8 +7,6 @@
 #![allow(dead_code)]
 
 pub mod os;
-#[path = "../unsupported/pipe.rs"]
-pub mod pipe;
 #[allow(non_upper_case_globals)]
 #[path = "../unix/time.rs"]
 pub mod time;

diff --git a/library/std/src/sys/pal/trusty/mod.rs b/library/std/src/sys/pal/trusty/mod.rs
@@ -5,8 +5,6 @@
 mod common;
 #[path = "../unsupported/os.rs"]
 pub mod os;
-#[path = "../unsupported/pipe.rs"]
-pub mod pipe;
 #[path = "../unsupported/thread.rs"]
 pub mod thread;
 #[path = "../unsupported/time.rs"]

diff --git a/library/std/src/sys/pal/uefi/mod.rs b/library/std/src/sys/pal/uefi/mod.rs
@@ -15,8 +15,6 @@
 
 pub mod helpers;
 pub mod os;
-#[path = "../unsupported/pipe.rs"]
-pub mod pipe;
 pub mod time;
 
 #[cfg(test)]

diff --git a/library/std/src/sys/pal/unix/mod.rs b/library/std/src/sys/pal/unix/mod.rs
@@ -14,7 +14,6 @@ pub mod kernel_copy;
 #[cfg(target_os = "linux")]
 pub mod linux;
 pub mod os;
-pub mod pipe;
 pub mod stack_overflow;
 pub mod sync;
 pub mod thread_parking;

diff --git a/library/std/src/sys/pal/unsupported/mod.rs b/library/std/src/sys/pal/unsupported/mod.rs
@@ -1,7 +1,6 @@
 #![deny(unsafe_op_in_unsafe_fn)]
 
 pub mod os;
-pub mod pipe;
 pub mod thread;
 pub mod time;
 

diff --git a/library/std/src/sys/pal/wasip1/mod.rs b/library/std/src/sys/pal/wasip1/mod.rs
@@ -18,8 +18,6 @@
 pub mod futex;
 
 pub mod os;
-#[path = "../unsupported/pipe.rs"]
-pub mod pipe;
 pub mod time;
 
 #[path = "../unsupported/common.rs"]

diff --git a/library/std/src/sys/pal/wasip2/mod.rs b/library/std/src/sys/pal/wasip2/mod.rs
@@ -12,8 +12,6 @@ pub mod futex;
 
 #[path = "../wasip1/os.rs"]
 pub mod os;
-#[path = "../unsupported/pipe.rs"]
-pub mod pipe;
 pub mod time;
 
 #[path = "../unsupported/common.rs"]

diff --git a/library/std/src/sys/pal/wasm/mod.rs b/library/std/src/sys/pal/wasm/mod.rs
@@ -18,8 +18,6 @@
 
 #[path = "../unsupported/os.rs"]
 pub mod os;
-#[path = "../unsupported/pipe.rs"]
-pub mod pipe;
 #[path = "../unsupported/time.rs"]
 pub mod time;
 

diff --git a/library/std/src/sys/pal/windows/mod.rs b/library/std/src/sys/pal/windows/mod.rs
@@ -19,7 +19,6 @@ pub mod c;
 pub mod futex;
 pub mod handle;
 pub mod os;
-pub mod pipe;
 pub mod time;
 cfg_select! {
     not(target_vendor = "uwp") => {

diff --git a/library/std/src/sys/pal/xous/mod.rs b/library/std/src/sys/pal/xous/mod.rs
@@ -3,8 +3,6 @@
 use crate::os::xous::ffi::exit;
 
 pub mod os;
-#[path = "../unsupported/pipe.rs"]
-pub mod pipe;
 pub mod time;
 
 #[path = "../unsupported/common.rs"]

diff --git a/library/std/src/sys/pal/zkvm/mod.rs b/library/std/src/sys/pal/zkvm/mod.rs
@@ -12,8 +12,6 @@ pub const WORD_SIZE: usize = size_of::<u32>();
 
 pub mod abi;
 pub mod os;
-#[path = "../unsupported/pipe.rs"]
-pub mod pipe;
 #[path = "../unsupported/thread.rs"]
 pub mod thread;
 #[path = "../unsupported/time.rs"]

diff --git a/library/std/src/sys/pipe/mod.rs b/library/std/src/sys/pipe/mod.rs
@@ -0,0 +1,18 @@
+//! Platform-dependent pipe abstraction.
+
+#![forbid(unsafe_op_in_unsafe_fn)]
+
+cfg_select! {
+    unix => {
+        mod unix;
+        pub use self::unix::*;
+    }
+    windows => {
+        mod windows;
+        pub use self::windows::*;
+    }
+    _ => {
+        mod unsupported;
+        pub use self::unsupported::*;
+    }
+}
diff --git a/library/std/src/sys/pal/unix/pipe.rs → library/std/src/sys/pipe/unix.rs b/library/std/src/sys/pal/unix/pipe.rs → library/std/src/sys/pipe/unix.rs
@@ -173,7 +173,7 @@ impl IntoRawFd for AnonPipe {
 
 impl FromRawFd for AnonPipe {
     unsafe fn from_raw_fd(raw_fd: RawFd) -> Self {
-        Self(FromRawFd::from_raw_fd(raw_fd))
+        Self(unsafe { FromRawFd::from_raw_fd(raw_fd) })
     }
 }
 

diff --git a/library/std/src/sys/pal/unsupported/pipe.rs → library/std/src/sys/pipe/unsupported.rs b/library/std/src/sys/pal/unsupported/pipe.rs → library/std/src/sys/pipe/unsupported.rs
diff --git a/library/std/src/sys/pal/windows/pipe.rs → library/std/src/sys/pipe/windows.rs b/library/std/src/sys/pal/windows/pipe.rs → library/std/src/sys/pipe/windows.rs
@@ -1,3 +1,5 @@
+#![allow(nonstandard_style)]
+
 use crate::io::{self, BorrowedCursor, IoSlice, IoSliceMut};
 use crate::ops::Neg;
 use crate::os::windows::prelude::*;