From e357d60cde1c3cf04ac4c17d33e5056c15028459 Mon Sep 17 00:00:00 2001
From: Felix Obenhuber <felix@obenhuber.de>
Date: Mon, 25 Jul 2022 08:56:48 +0200
Subject: [PATCH] Add memfd for target_os = "android"

Memory fds (`memfd`) are implemented and exported by Androids bionic.
Export the `memfd` module if the target os is `android`.

https://cs.android.com/android/platform/superproject/+/master:bionic/libc/include/sys/mman.h;drc=23c7543b8e608ebcbb38b952761b54bb56065577;bpv=1;bpt=1;l=182
---
 CHANGELOG.md   | 2 ++
 src/sys/mod.rs | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9e7f6dcd6..6609e11428 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## [Unreleased] - ReleaseDate
 ### Added
 
+- Added `memfd` on Android.
+  (#[1773](https://github.com/nix-rust/nix/pull/1773))
 - Added ETH_P_ALL to SockProtocol enum
   (#[1768](https://github.com/nix-rust/nix/pull/1768))
 - Added four non-standard Linux `SysconfVar` variants
diff --git a/src/sys/mod.rs b/src/sys/mod.rs
index ddd4fdfc3b..80c75e1fb9 100644
--- a/src/sys/mod.rs
+++ b/src/sys/mod.rs
@@ -50,7 +50,7 @@ feature! {
 #[macro_use]
 pub mod ioctl;
 
-#[cfg(target_os = "linux")]
+#[cfg(any(target_is = "android", target_os = "linux"))]
 feature! {
     #![feature = "fs"]
     pub mod memfd;