F_DUPFD_CLOEXEC is not universally available
The same issue (and the same patch to the byte) was experienced/proposed
by Vince Weaver.
Signed-off-by: malc <av1474@comtv.ru>
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 25b95ea..b42567c 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -3685,8 +3685,10 @@
return F_SETLEASE;
case TARGET_F_GETLEASE:
return F_GETLEASE;
+#ifdef F_DUPFD_CLOEXEC
case TARGET_F_DUPFD_CLOEXEC:
return F_DUPFD_CLOEXEC;
+#endif
case TARGET_F_NOTIFY:
return F_NOTIFY;
default: