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alpha: drop __ASSUME_FDATASYNC

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Since we require a new enough kernel all the time, the __ASSUME_FDATASYNC
define has been hardcoded to 1.  That means we can delete the alpha file
for fdatasync now and rely on the syscalls list like other ports.
This commit is contained in:
Mike Frysinger 2015-08-18 09:23:44 -04:00
parent a435cc46e6
commit 8a44513e9c
4 changed files with 7 additions and 52 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2015-09-17 Mike Frysinger <vapier@gentoo.org>
* sysdeps/unix/sysv/linux/alpha/Makefile (CFLAGS-fdatasync.c): Delete.
* sysdeps/unix/sysv/linux/alpha/fdatasync.c: Delete.
* sysdeps/unix/sysv/linux/alpha/kernel-features.h
(__ASSUME_FDATASYNC): Delete.
2015-09-17 Joseph Myers <joseph@codesourcery.com>
* conform/linknamespace.pl: Require weak undefined symbols to be

1
sysdeps/unix/sysv/linux/alpha/Makefile
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@ -20,7 +20,6 @@ sysdep_routines += osf_select osf_gettimeofday osf_settimeofday \
# Support old ipc control
sysdep_routines += oldmsgctl oldsemctl oldshmctl
CFLAGS-fdatasync.c = -fexceptions
CFLAGS-ioperm.c = -Wa,-mev6
endif

48
sysdeps/unix/sysv/linux/alpha/fdatasync.c
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@ -1,48 +0,0 @@
/* fdatasync -- synchronize at least the data part of a file with
the underlying media. Linux version.
Copyright (C) 2007-2015 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 <errno.h>
#include <unistd.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#include <kernel-features.h>
int
__fdatasync (int fd)
{
#ifdef __ASSUME_FDATASYNC
return SYSCALL_CANCEL (fdatasync, fd);
#elif defined __NR_fdatasync
static int __have_no_fdatasync;
if (!__builtin_expect (__have_no_fdatasync, 0))
{
int result = SYSCALL_CANCEL (fdatasync, fd);
if (__builtin_expect (result, 0) != -1 || errno != ENOSYS)
return result;
__have_no_fdatasync = 1;
}
#endif
return SYSCALL_CANCEL (fsync, fd);
}
weak_alias (__fdatasync, fdatasync)

3
sysdeps/unix/sysv/linux/alpha/kernel-features.h
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@ -44,9 +44,6 @@
#undef __ASSUME_STATFS64
#define __ASSUME_STATFS64 0
/* Support for fsyncdata was added for alpha after 2.6.21. */
#define __ASSUME_FDATASYNC 1
/* Support for various syscalls was added for alpha in 2.6.33. */
#if __LINUX_KERNEL_VERSION < 0x020621
# undef __ASSUME_PREADV