add FromOwnedFd/FromOwnedHandle for ChildStdin/out/err

2 files changed, 14 insertions, 2 deletions

diff --git a/library/std/src/sys/unix/pipe.rs b/library/std/src/sys/unix/pipe.rs
index 938a46bfdd8..a9c783b4623 100644
--- a/library/std/src/sys/unix/pipe.rs
+++ b/library/std/src/sys/unix/pipe.rs
@@ -3,7 +3,7 @@ use crate::mem;
 use crate::os::unix::io::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, RawFd};
 use crate::sys::fd::FileDesc;
 use crate::sys::{cvt, cvt_r};
-use crate::sys_common::IntoInner;
+use crate::sys_common::{FromInner, IntoInner};
 
 ////////////////////////////////////////////////////////////////////////////////
 // Anonymous pipes
@@ -158,3 +158,9 @@ impl FromRawFd for AnonPipe {
         Self(FromRawFd::from_raw_fd(raw_fd))
     }
 }
+
+impl FromInner<FileDesc> for AnonPipe {
+    fn from_inner(fd: FileDesc) -> Self {
+        Self(fd)
+    }
+}
diff --git a/library/std/src/sys/windows/pipe.rs b/library/std/src/sys/windows/pipe.rs
index d07147eccc1..7624e746f5c 100644
--- a/library/std/src/sys/windows/pipe.rs
+++ b/library/std/src/sys/windows/pipe.rs
@@ -12,7 +12,7 @@ use crate::sys::c;
 use crate::sys::fs::{File, OpenOptions};
 use crate::sys::handle::Handle;
 use crate::sys::hashmap_random_keys;
-use crate::sys_common::IntoInner;
+use crate::sys_common::{FromInner, IntoInner};
 
 ////////////////////////////////////////////////////////////////////////////////
 // Anonymous pipes
@@ -28,6 +28,12 @@ impl IntoInner<Handle> for AnonPipe {
     }
 }
 
+impl FromInner<Handle> for AnonPipe {
+    fn from_inner(inner: Handle) -> AnonPipe {
+        Self { inner }
+    }
+}
+
 pub struct Pipes {
     pub ours: AnonPipe,
     pub theirs: AnonPipe,