Initial implementation of anonymous_pipe

Co-authored-by: Alphyr <47725341+a1phyr@users.noreply.github.com>
Co-authored-by: Jubilee <46493976+workingjubilee@users.noreply.github.com>
Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/library/std/src/sys/anonymous_pipe/unsupported.rs b/library/std/src/sys/anonymous_pipe/unsupported.rs
new file mode 100644
index 00000000000..5962b69203e
--- /dev/null
+++ b/library/std/src/sys/anonymous_pipe/unsupported.rs
@@ -0,0 +1,26 @@
+use crate::{
+    io,
+    pipe::{PipeReader, PipeWriter},
+    process::Stdio,
+};
+
+pub(crate) use crate::sys::pipe::AnonPipe;
+
+#[inline]
+pub(crate) fn pipe() -> io::Result<(AnonPipe, AnonPipe)> {
+    Err(io::Error::UNSUPPORTED_PLATFORM)
+}
+
+#[unstable(feature = "anonymous_pipe", issue = "127154")]
+impl From<PipeReader> for Stdio {
+    fn from(pipe: PipeReader) -> Self {
+        pipe.0.diverge()
+    }
+}
+
+#[unstable(feature = "anonymous_pipe", issue = "127154")]
+impl From<PipeWriter> for Stdio {
+    fn from(pipe: PipeWriter) -> Self {
+        pipe.0.diverge()
+    }
+}