From 03e8fdb34610c498e8c7fbe0ae18b53fe28cfbd1 Mon Sep 17 00:00:00 2001
From: David Herrmann <dh.herrmann@gmail.com>
Date: Thu, 4 Dec 2014 16:45:00 +0100
Subject: missing: apparently, there's a world beyond x86..

..so make them cry and print a warning if __NR_memfd_create is not
defined. This should make syscall() fail with -ENOSYS, thus trigger a
suitable runtime error-path.
---
 src/shared/missing.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/shared/missing.h b/src/shared/missing.h
index 4faff89b6c..a56d265500 100644
--- a/src/shared/missing.h
+++ b/src/shared/missing.h
@@ -135,8 +135,11 @@ static inline int pivot_root(const char *new_root, const char *put_old) {
 #    if _MIPS_SIM == _MIPS_SIM_ABI64
 #      define __NR_memfd_create 5314
 #    endif
-#  else
+#  elif defined __i386__
 #    define __NR_memfd_create 356
+#  else
+#    warning "__NR_memfd_create unknown for your architecture"
+#    define __NR_memfd_create 0xffffffff
 #  endif
 #endif
 
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