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linux: Consolidate Linux splice syscall

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This patch consolidates the splice Linux syscall generation on
sysdeps/unix/sysv/linux/splice.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.

	* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add splice.
	(CFLAGS-splice.c): New flag.
	* sysdeps/unix/sysv/linux/splice.c: New file.
	* sysdeps/unix/sysv/linux/syscalls.list (splice): Remove from
	auto-generation syscall list.
	* misc/Makefile (CFLAGS-splice.c): New rule.
This commit is contained in:
Adhemerval Zanella 2015-11-02 11:22:30 -02:00
parent ecade1cb0b
commit afbbc18f9e
5 changed files with 36 additions and 2 deletions
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7
ChangeLog
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@ -1,5 +1,12 @@
2017-05-18 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add splice.
(CFLAGS-splice.c): New flag.
* sysdeps/unix/sysv/linux/splice.c: New file.
* sysdeps/unix/sysv/linux/syscalls.list (splice): Remove from
auto-generation syscall list.
* misc/Makefile (CFLAGS-splice.c): New rule.
* sysdeps/unix/sysv/linux/Makefile (CFLAGS-vmsplice.c): New flag.
* sysdeps/unix/sysv/linux/syscalls.list (vmsplice): Remove from
auto-generation syscall list.

1
misc/Makefile
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@ -112,6 +112,7 @@ CFLAGS-msync.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-fdatasync.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-fsync.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-vmsplice.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-splice.c = -fexceptions -fasynchronous-unwind-tables
# Called during static library initialization, so turn stack-protection
# off for non-shared builds.

2
sysdeps/unix/sysv/linux/Makefile
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@ -17,7 +17,7 @@ include $(firstword $(wildcard $(sysdirs:=/sysctl.mk)))
sysdep_routines += clone umount umount2 readahead \
setfsuid setfsgid epoll_pwait signalfd \
eventfd eventfd_read eventfd_write prlimit \
personality epoll_wait tee vmsplice
personality epoll_wait tee vmsplice splice
CFLAGS-gethostid.c = -fexceptions
CFLAGS-tee.c = -fexceptions -fasynchronous-unwind-tables

27
sysdeps/unix/sysv/linux/splice.c Normal file
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@ -0,0 +1,27 @@
/* Splice data to/from a pipe 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 <fcntl.h>
#include <sysdep-cancel.h>
ssize_t
splice (int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len,
unsigned int flags)
{
return SYSCALL_CANCEL (splice, fd_in, off_in, fd_out, off_out, len, flags);
}

1
sysdeps/unix/sysv/linux/syscalls.list
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@ -64,7 +64,6 @@ setfsgid EXTRA setfsgid i:i setfsgid
setfsuid EXTRA setfsuid i:i setfsuid
setpgid - setpgid i:ii __setpgid setpgid
sigaltstack - sigaltstack i:PP __sigaltstack sigaltstack
splice EXTRA splice Ci:iPiPii splice
stime - stime i:p stime
sysinfo EXTRA sysinfo i:p __sysinfo sysinfo
swapon - swapon i:si __swapon swapon