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Add fallback file for elide.h

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Add the missing fallback file for elide.h to fix non x86 builds.
Sorry about that. This is just a noop macro file that makes
all elision code to be optimized out.
This commit is contained in:
Andi Kleen 2014-06-13 15:50:45 -07:00
parent 38bbbb9f32
commit 0f6901d0a1
2 changed files with 29 additions and 0 deletions
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ChangeLog
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2014-06-14 Andi Kleen <ak@linux.intel.com>
* sysdeps/generic/elide.h: New file.
2014-06-13 Stefan Liebler <stli@linux.vnet.ibm.com>
* Makefile (installed-headers): Adjust path of pthread.h header.

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sysdeps/generic/elide.h Normal file
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/* elide.h: Fallback noop lock elision support.
Copyright (C) 2014 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/>. */
#ifndef ELIDE_H
#define ELIDE_H 1
#define ELIDE_LOCK(adapt_count, is_lock_free) 0
#define ELIDE_TRYLOCK(adapt_count, is_lock_free, write) 0
#define ELIDE_UNLOCK(is_lock_free) 0
#endif