From d982ea6eee77c173231f55fea852d9d61788c38a Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Mon, 6 Dec 2021 07:55:21 +0000
Subject: [PATCH] linux add pidfd_open syscall mode

---
 libc-test/build.rs                   | 3 +++
 src/unix/linux_like/linux/gnu/mod.rs | 1 +
 2 files changed, 4 insertions(+)

diff --git a/libc-test/build.rs b/libc-test/build.rs
index 38ca7d0d76122..ad023fbd849a2 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -3150,6 +3150,9 @@ fn test_linux(target: &str) {
             | "UDP_SEGMENT"
                 if uclibc => true,
 
+            // headers conflicts with linux/pidfd.h
+            "PIDFD_NONBLOCK" => true,
+
             _ => false,
         }
     });
diff --git a/src/unix/linux_like/linux/gnu/mod.rs b/src/unix/linux_like/linux/gnu/mod.rs
index f1d4a109164e6..d9e273ab62624 100644
--- a/src/unix/linux_like/linux/gnu/mod.rs
+++ b/src/unix/linux_like/linux/gnu/mod.rs
@@ -597,6 +597,7 @@ pub const RTLD_DI_TLS_MODID: ::c_int = 9;
 pub const RTLD_DI_TLS_DATA: ::c_int = 10;
 
 pub const SOCK_NONBLOCK: ::c_int = O_NONBLOCK;
+pub const PIDFD_NONBLOCK: ::c_uint = O_NONBLOCK as ::c_uint;
 
 pub const SOL_RXRPC: ::c_int = 272;
 pub const SOL_PPPOL2TP: ::c_int = 273;