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d00783653a
And disable if kernel does not support it. Checked on x86_64-linux-gnu and i686-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
/* Set flags signalling availability of kernel features based on given
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kernel version number. S/390 version.
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Copyright (C) 1999-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/* Direct socketcalls available with kernel 4.3. */
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#if __LINUX_KERNEL_VERSION >= 0x040300
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# define __ASSUME_LISTEN_SYSCALL 1
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# define __ASSUME_GETSOCKNAME_SYSCALL 1
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# define __ASSUME_GETPEERNAME_SYSCALL 1
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# define __ASSUME_SHUTDOWN_SYSCALL 1
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#endif
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#include_next <kernel-features.h>
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#undef __ASSUME_ACCEPT_SYSCALL
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#if __LINUX_KERNEL_VERSION < 0x040300
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# undef __ASSUME_ACCEPT4_SYSCALL
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# undef __ASSUME_RECVMMSG_SYSCALL
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# undef __ASSUME_SENDMMSG_SYSCALL
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# undef __ASSUME_SENDMSG_SYSCALL
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# undef __ASSUME_RECVMSG_SYSCALL
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# undef __ASSUME_CONNECT_SYSCALL
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# undef __ASSUME_RECVFROM_SYSCALL
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# undef __ASSUME_SENDTO_SYSCALL
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# undef __ASSUME_GETSOCKOPT_SYSCALL
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# undef __ASSUME_SETSOCKOPT_SYSCALL
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# undef __ASSUME_BIND_SYSCALL
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# undef __ASSUME_SOCKET_SYSCALL
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# undef __ASSUME_SOCKETPAIR_SYSCALL
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#endif
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/* s390 only supports ipc syscall before 5.1. */
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#if __LINUX_KERNEL_VERSION < 0x050100
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# undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
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# undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
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#endif
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#ifndef __s390x__
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# define __ASSUME_SYSVIPC_BROKEN_MODE_T
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#endif
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#undef __ASSUME_CLONE_DEFAULT
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#define __ASSUME_CLONE_BACKWARDS2
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