From 80df41a887d2c9a8314c5833a4e93ed4b598a1bd Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Thu, 25 Nov 2021 10:34:33 +0100
Subject: [PATCH] proxmox-sys: import pipe() function from pbs-toos/src/io.rs

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
---
 proxmox-sys/src/lib.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/proxmox-sys/src/lib.rs b/proxmox-sys/src/lib.rs
index dcbb1aca..c974fc58 100644
--- a/proxmox-sys/src/lib.rs
+++ b/proxmox-sys/src/lib.rs
@@ -24,6 +24,8 @@ macro_rules! identity {
 #[cfg(feature = "sortable-macro")]
 pub use proxmox_sortable_macro::sortable;
 
+use fd::Fd;
+
 /// Returns the hosts node name (UTS node name)
 pub fn nodename() -> &'static str {
     lazy_static::lazy_static! {
@@ -39,3 +41,10 @@ pub fn nodename() -> &'static str {
 
     &NODENAME
 }
+
+/// Safe wrapper for `nix::unistd::pipe2` defaulting to `O_CLOEXEC`
+/// and guarding the file descriptors.
+pub fn pipe() -> Result<(Fd, Fd), nix::Error> {
+    let (pin, pout) = nix::unistd::pipe2(nix::fcntl::OFlag::O_CLOEXEC)?;
+    Ok((Fd(pin), Fd(pout)))
+}