From 83531cd3f60289e9be86342ef63a40ac2e1b3bc9 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Mon, 28 Aug 2017 08:00:43 +0000
Subject:  Add nsgetparent sysdep

---
 configure                    |  1 +
 src/sysdeps/trynsgetparent.c | 12 ++++++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 src/sysdeps/trynsgetparent.c

diff --git a/configure b/configure
index 736b068..3481730 100755
--- a/configure
+++ b/configure
@@ -514,6 +514,7 @@ EOF
   choose clr getrandom GETRANDOM 'getrandom()'
   choose cl itimer ITIMER 'setitimer()'
   choose cl namespaces NAMESPACES 'namespaces'
+  choose cl nsgetparent NSGETPARENT 'NS_GET_PARENT'
 
   echo '#endif' >> $sysdeps/sysdeps.h
 fi
diff --git a/src/sysdeps/trynsgetparent.c b/src/sysdeps/trynsgetparent.c
new file mode 100644
index 0000000..393a9a7
--- /dev/null
+++ b/src/sysdeps/trynsgetparent.c
@@ -0,0 +1,12 @@
+/* ISC license. */
+
+#undef _POSIX_C_SOURCE
+#undef _XOPEN_SOURCE
+
+#include <sys/ioctl.h>
+#include <linux/nsfs.h>
+
+int main (void)
+{
+  return ioctl(0, NS_GET_PARENT) ;
+}
-- 
cgit v1.2.3