1 /* Set flags signalling availability of kernel features based on given 2 kernel version number. S/390 version. 3 Copyright (C) 1999-2022 Free Software Foundation, Inc. 4 This file is part of the GNU C Library. 5 6 The GNU C Library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 The GNU C Library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with the GNU C Library; if not, see 18 <https://www.gnu.org/licenses/>. */ 19 20 /* Direct socketcalls available with kernel 4.3. */ 21 #if __LINUX_KERNEL_VERSION >= 0x040300 22 # define __ASSUME_SOCKET_SYSCALL 1 23 # define __ASSUME_SOCKETPAIR_SYSCALL 1 24 # define __ASSUME_BIND_SYSCALL 1 25 # define __ASSUME_LISTEN_SYSCALL 1 26 # define __ASSUME_GETSOCKNAME_SYSCALL 1 27 # define __ASSUME_GETPEERNAME_SYSCALL 1 28 # define __ASSUME_SHUTDOWN_SYSCALL 1 29 #endif 30 31 #include_next <kernel-features.h> 32 33 #undef __ASSUME_ACCEPT_SYSCALL 34 35 #if __LINUX_KERNEL_VERSION < 0x040300 36 # undef __ASSUME_ACCEPT4_SYSCALL 37 # undef __ASSUME_RECVMMSG_SYSCALL 38 # undef __ASSUME_SENDMMSG_SYSCALL 39 # undef __ASSUME_SENDMSG_SYSCALL 40 # undef __ASSUME_RECVMSG_SYSCALL 41 # undef __ASSUME_CONNECT_SYSCALL 42 # undef __ASSUME_RECVFROM_SYSCALL 43 # undef __ASSUME_SENDTO_SYSCALL 44 # undef __ASSUME_GETSOCKOPT_SYSCALL 45 # undef __ASSUME_SETSOCKOPT_SYSCALL 46 #endif 47 48 /* s390 only supports ipc syscall before 5.1. */ 49 #if __LINUX_KERNEL_VERSION < 0x050100 50 # undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS 51 # undef __ASSUME_SYSVIPC_DEFAULT_IPC_64 52 #endif 53 #ifndef __s390x__ 54 # define __ASSUME_SYSVIPC_BROKEN_MODE_T 55 #endif 56 57 #undef __ASSUME_CLONE_DEFAULT 58 #define __ASSUME_CLONE_BACKWARDS2 59