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posix: Consolidate Linux fdatasync syscall

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This patch consolidates the fdatasync Linux syscall generation on
sysdeps/unix/sysv/linux/fdatasync.c.  It basically removes it from
architectures auto-generation list.

Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32,
arch64-linux-gnu, arm-linux-gnueabihf, powerpc64le-linux-gnu,
sparc64-linux-gnu, and sparcv9-linux-gnu.

	* misc/makefile (CFLAGS-datasync.c): New flag.
	* nptl/makefile (CFLAGS-datasync.c): Likewise.
	* sysdeps/unix/sysv/linux/syscalls.list (fdatasync): Remove from
	auto-generation syscall list.
	* sysdeps/unix/sysv/linux/fdatasync.c: New file.
This commit is contained in:
Adhemerval Zanella 2015-11-02 11:00:39 -02:00
parent 3c9399f507
commit 51209cbf51
5 changed files with 37 additions and 1 deletions
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6
ChangeLog
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@ -1,5 +1,11 @@
2017-05-18 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* misc/Makefile (CFLAGS-fdatasync.c): New rule.
* nptl/Makefile (CFLAGS-fdatasync.c): Likewise.
* sysdeps/unix/syscalls.list: Remove fdatasync from auto-generation
list.
* sysdeps/unix/sysv/linux/fdatasync.c: New file.
* misc/Makefile (CFLAGS-msync.c): New rule.
* nptl/Makefile (CFLAGS-msync.c): Likewise.
* sysdeps/unix/syscalls.list: Remove msync from auto-generation list.

1
misc/Makefile
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@ -109,6 +109,7 @@ CFLAGS-getusershell.c = -fexceptions
CFLAGS-err.c = -fexceptions
CFLAGS-tst-tsearch.c = $(stack-align-test-flags)
CFLAGS-msync.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-fdatasync.c = -fexceptions -fasynchronous-unwind-tables
# Called during static library initialization, so turn stack-protection
# off for non-shared builds.

1
nptl/Makefile
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@ -219,6 +219,7 @@ CFLAGS-write.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-nanosleep.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-sigsuspend.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-msync.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-fdatasync.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-pt-system.c = -fexceptions

29
sysdeps/unix/sysv/linux/fdatasync.c Normal file
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@ -0,0 +1,29 @@
/* Synchronize a file's in-core state with storage device Linux
implementation.
Copyright (C) 2017 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 <unistd.h>
#include <sysdep-cancel.h>
/* Synchronize at least the data part of a file with the underlying
media. */
int
fdatasync (int fd)
{
return SYSCALL_CANCEL (fdatasync, fd);
}

1
sysdeps/unix/sysv/linux/syscalls.list
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@ -13,7 +13,6 @@ epoll_create1 EXTRA epoll_create1 i:i epoll_create1
epoll_ctl EXTRA epoll_ctl i:iiip epoll_ctl
eventfd EXTRA eventfd2 i:ii eventfd
execve - execve i:spp __execve execve
fdatasync - fdatasync Ci:i fdatasync
flock - flock i:ii __flock flock
get_kernel_syms EXTRA get_kernel_syms i:p __compat_get_kernel_syms get_kernel_syms@GLIBC_2.0:GLIBC_2.23
getpid - getpid Ei: __getpid getpid