50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/* Set flags signalling availability of kernel features based on given
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kernel version number.
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Copyright (C) 1999-2015 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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<http://www.gnu.org/licenses/>. */
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#include <sgidefs.h>
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/* Support for the accept4 syscall was added in 2.6.31. */
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#define __ASSUME_ACCEPT4_SYSCALL 1
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/* Support for the recvmmsg syscall was added in 2.6.33. */
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#if __LINUX_KERNEL_VERSION >= 0x020621
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# define __ASSUME_RECVMMSG_SYSCALL 1
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#endif
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/* Support for the sendmmsg syscall was added in 3.1. */
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#if __LINUX_KERNEL_VERSION >= 0x030100
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# define __ASSUME_SENDMMSG_SYSCALL 1
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#endif
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#include_next <kernel-features.h>
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/* The n32 syscall ABI did not have a getdents64 syscall until
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2.6.35. */
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#if _MIPS_SIM == _ABIN32 && __LINUX_KERNEL_VERSION < 0x020623
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# undef __ASSUME_GETDENTS64_SYSCALL
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#endif
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/* The MIPS kernel does not support futex_atomic_cmpxchg_inatomic if
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emulating LL/SC. */
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#if __mips == 1 || defined _MIPS_ARCH_R5900
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# undef __ASSUME_FUTEX_LOCK_PI
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# undef __ASSUME_REQUEUE_PI
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# undef __ASSUME_SET_ROBUST_LIST
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#endif
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