1 files changed, 52 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/s390/kernel-features.h b/REORG.TODO/sysdeps/unix/sysv/linux/s390/kernel-features.h
new file mode 100644
index 0000000000..f44d429365
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/s390/kernel-features.h
@@ -0,0 +1,52 @@
+/* Set flags signalling availability of kernel features based on given
+   kernel version number.  S/390 version.
+   Copyright (C) 1999-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* S/390 uses socketcall.  */
+#define __ASSUME_SOCKETCALL		1
+
+/* Direct socketcalls available with kernel 4.3.  */
+#if __LINUX_KERNEL_VERSION >= 0x040300
+# define __ASSUME_SOCKET_SYSCALL             1
+# define __ASSUME_SOCKETPAIR_SYSCALL         1
+# define __ASSUME_BIND_SYSCALL               1
+# define __ASSUME_LISTEN_SYSCALL             1
+# define __ASSUME_GETSOCKOPT_SYSCALL         1
+# define __ASSUME_SETSOCKOPT_SYSCALL         1
+# define __ASSUME_GETSOCKNAME_SYSCALL        1
+# define __ASSUME_GETPEERNAME_SYSCALL        1
+# define __ASSUME_SHUTDOWN_SYSCALL           1
+#endif
+
+#include_next <kernel-features.h>
+
+#undef __ASSUME_ACCEPT_SYSCALL
+
+#if __LINUX_KERNEL_VERSION < 0x040300
+# undef __ASSUME_ACCEPT4_SYSCALL
+# undef __ASSUME_RECVMMSG_SYSCALL
+# undef __ASSUME_SENDMMSG_SYSCALL
+# undef __ASSUME_SENDMSG_SYSCALL
+# undef __ASSUME_RECVMSG_SYSCALL
+# undef __ASSUME_CONNECT_SYSCALL
+# undef __ASSUME_RECVFROM_SYSCALL
+# undef __ASSUME_SENDTO_SYSCALL
+#endif
+
+/* s390 only supports ipc syscall.  */
+#undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS