mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/* Set flags signalling availability of kernel features based on given
|
|
kernel version number.
|
|
Copyright (C) 1999-2015 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/>. */
|
|
|
|
#include <sgidefs.h>
|
|
|
|
/* Support for the accept4 syscall was added in 2.6.31. */
|
|
#define __ASSUME_ACCEPT4_SYSCALL 1
|
|
|
|
/* Support for the recvmmsg syscall was added in 2.6.33. */
|
|
#if __LINUX_KERNEL_VERSION >= 0x020621
|
|
# define __ASSUME_RECVMMSG_SYSCALL 1
|
|
#endif
|
|
|
|
/* Support for the sendmmsg syscall was added in 3.1. */
|
|
#if __LINUX_KERNEL_VERSION >= 0x030100
|
|
# define __ASSUME_SENDMMSG_SYSCALL 1
|
|
#endif
|
|
|
|
#include_next <kernel-features.h>
|
|
|
|
/* The n32 syscall ABI did not have a getdents64 syscall until
|
|
2.6.35. */
|
|
#if _MIPS_SIM == _ABIN32 && __LINUX_KERNEL_VERSION < 0x020623
|
|
# undef __ASSUME_GETDENTS64_SYSCALL
|
|
#endif
|
|
|
|
/* The MIPS kernel does not support futex_atomic_cmpxchg_inatomic if
|
|
emulating LL/SC. */
|
|
#if __mips == 1 || defined _MIPS_ARCH_R5900
|
|
# undef __ASSUME_FUTEX_LOCK_PI
|
|
# undef __ASSUME_REQUEUE_PI
|
|
# undef __ASSUME_SET_ROBUST_LIST
|
|
#endif
|