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Add sysctl.mk and bits/sysctl.h

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This commit is contained in:
H.J. Lu
2012-05-22 13:46:29 -07:00
parent 7333835592
commit c900932878
7 changed files with 42 additions and 1 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2012-05-22 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/unix/sysv/linux/Makefile: Include
$(firstword $(wildcard $(sysdirs:=/sysctl.mk))).
(sysdep_routines): Replace sysctl with $(sysctl).
* sysdeps/unix/sysv/linux/bits/sysctl.h: New file.
* sysdeps/unix/sysv/linux/sysctl.mk: Likewise.
* sysdeps/unix/sysv/linux/x86_64/bits/sysctl.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/sysctl.mk: Likewise.
* sysdeps/unix/sysv/linux/sys/sysctl.h: Include <bits/sysctl.h>.
2012-05-22 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S: Rearrange code so

4
sysdeps/unix/sysv/linux/Makefile
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@ -17,7 +17,9 @@ sysdep_routines += internal_accept4 recvmmsg internal_recvmmsg sendmmsg \
endif
ifeq ($(subdir),misc)
sysdep_routines += sysctl clone llseek umount umount2 readahead \
include $(firstword $(wildcard $(sysdirs:=/sysctl.mk)))
sysdep_routines += $(sysctl) clone llseek umount umount2 readahead \
setfsuid setfsgid makedev epoll_pwait signalfd \
eventfd eventfd_read eventfd_write prlimit

1
sysdeps/unix/sysv/linux/bits/sysctl.h Normal file
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@ -0,0 +1 @@
/* Empty file. */

2
sysdeps/unix/sysv/linux/sys/sysctl.h
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@ -60,6 +60,8 @@
# undef __undef__LINUX_COMPILER_H
#endif
#include <bits/sysctl.h>
__BEGIN_DECLS
/* Read or write system parameters. */

3
sysdeps/unix/sysv/linux/sysctl.mk Normal file
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@ -0,0 +1,3 @@
# sysctl system call has been deprecated. It is provided for backward
# compatility. New target should override it (see x86_64/x32/sysctl.mk).
sysctl = sysctl

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sysdeps/unix/sysv/linux/x86_64/bits/sysctl.h Normal file
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@ -0,0 +1,20 @@
/* Copyright (C) 2012 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/>. */
#if defined __x86_64__ && defined __ILP32__
# error "sysctl system call is unsupported in x32 kernel"
#endif

2
sysdeps/unix/sysv/linux/x86_64/x32/sysctl.mk Normal file
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@ -0,0 +1,2 @@
# X32 doesn't support sysctl.
sysctl =