mirror of
git://sourceware.org/git/glibc.git
synced 2025-01-12 12:07:12 +08:00
6a84c77c71
Fixes glibc bug 1026. http://sourceware.org/ml/libc-alpha/2005-02/msg00122.html Signed-off-by: Matt Turner <mattst88@gmail.com>
99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
/* Set flags signalling availability of kernel features based on given
|
|
kernel version number.
|
|
Copyright (C) 2010 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
/* alpha switched to a 64-bit timeval sometime before 2.2.0. */
|
|
#if __LINUX_KERNEL_VERSION >= 131584
|
|
# define __ASSUME_TIMEVAL64 1
|
|
#endif
|
|
|
|
/* The tgkill syscall was introduced for alpha 2.6.0-test1 which unfortunately
|
|
cannot be distinguished from 2.6.0. */
|
|
#if __LINUX_KERNEL_VERSION >= 132609
|
|
# define __ASSUME_TGKILL 1
|
|
#endif
|
|
|
|
/* Starting with version 2.6.4, the stat64 syscalls are available. */
|
|
#if __LINUX_KERNEL_VERSION >= 0x020604 && defined __alpha__
|
|
# define __ASSUME_STAT64_SYSCALL 1
|
|
#endif
|
|
|
|
#define __ASSUME_UTIMES 1
|
|
|
|
/* Starting with version 2.6.9, SSI_IEEE_RAISE_EXCEPTION exists. */
|
|
#if __LINUX_KERNEL_VERSION >= 0x020609
|
|
# define __ASSUME_IEEE_RAISE_EXCEPTION 1
|
|
#endif
|
|
|
|
/* Support for the O_CLOEXEC flag was added for alpha in 2.6.23. */
|
|
#if __LINUX_KERNEL_VERSION >= 0x020617
|
|
# define __ASSUME_O_CLOEXEC 1
|
|
#endif
|
|
|
|
/* Support for various CLOEXEC and NONBLOCK flags was added for alpha after
|
|
2.6.33-rc1. */
|
|
#if __LINUX_KERNEL_VERSION >= 0x020621
|
|
# define __ASSUME_SOCK_CLOEXEC 1
|
|
# define __ASSUME_IN_NONBLOCK 1
|
|
#endif
|
|
|
|
/* Support for the pipe2, eventfd2, signalfd4 syscalls was added for alpha
|
|
after 2.6.33-rc1. */
|
|
#if __LINUX_KERNEL_VERSION >= 0x020621
|
|
# define __ASSUME_PIPE2 1
|
|
# define __ASSUME_EVENTFD2 1
|
|
# define __ASSUME_SIGNALFD4 1
|
|
#endif
|
|
|
|
/* Support for accept4 was added for alpha after 2.6.33-rc1. */
|
|
#if __LINUX_KERNEL_VERSION >= 0x020621
|
|
# define __ASSUME_ACCEPT4 1
|
|
#endif
|
|
|
|
#include_next <kernel-features.h>
|
|
|
|
#undef __ASSUME_ST_INO_64_BIT
|
|
|
|
/* pselect/ppoll were introduced on alpha just after 2.6.22-rc1. */
|
|
#if __LINUX_KERNEL_VERSION < 0x020617
|
|
# undef __ASSUME_PSELECT
|
|
# undef __ASSUME_PPOLL
|
|
#endif
|
|
|
|
/* The *at syscalls were introduced on alpha just after 2.6.22-rc1. */
|
|
#if __LINUX_KERNEL_VERSION < 0x020617
|
|
# undef __ASSUME_ATFCTS
|
|
#endif
|
|
|
|
/* Support for inter-process robust mutexes was added on alpha just
|
|
after 2.6.22-rc1. */
|
|
#if __LINUX_KERNEL_VERSION < 0x020617
|
|
# undef __ASSUME_SET_ROBUST_LIST
|
|
#endif
|
|
|
|
/* Support for utimensat was added on alpha after 2.6.22-rc1. */
|
|
#if __LINUX_KERNEL_VERSION < 0x020617
|
|
# undef __ASSUME_UTIMENSAT
|
|
#endif
|
|
|
|
/* Support for fallocate was added for alpha after 2.6.33-rc1. */
|
|
#if __LINUX_KERNEL_VERSION < 0x020621
|
|
# undef __ASSUME_FALLOCATE
|
|
#endif
|