From 04e5fae0e3e0efd3e68a11e2d5b5e3e1a42811ac Mon Sep 17 00:00:00 2001
From: Robert Swiecki <robert@swiecki.net>
Date: Tue, 10 Dec 2019 11:09:14 +0100
Subject: [PATCH] subproc: recognize CLONE_PIDFD

---
 subproc.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/subproc.cc b/subproc.cc
index e1fedf4..983acca 100644
--- a/subproc.cc
+++ b/subproc.cc
@@ -71,6 +71,10 @@ static const std::string cloneFlagsToStr(uintptr_t flags) {
 	    NS_VALSTR_STRUCT(CLONE_FS),
 	    NS_VALSTR_STRUCT(CLONE_FILES),
 	    NS_VALSTR_STRUCT(CLONE_SIGHAND),
+#if !defined(CLONE_PIDFD)
+#define CLONE_PIDFD 0x00001000
+#endif
+	    NS_VALSTR_STRUCT(CLONE_PIDFD),
 	    NS_VALSTR_STRUCT(CLONE_PTRACE),
 	    NS_VALSTR_STRUCT(CLONE_VFORK),
 	    NS_VALSTR_STRUCT(CLONE_PARENT),