diff options
author | Paul Pluzhnikov <ppluzhnikov@google.com> | 2012-05-02 13:58:40 -0700 |
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committer | Paul Pluzhnikov <ppluzhnikov@google.com> | 2012-05-02 13:58:40 -0700 |
commit | b93d565a5117afc5dde458438d5d16621b9c4dd4 (patch) | |
tree | be796188dda31c1aadd08d24d5f254155e7e127e /nptl/sysdeps/i386/pthread_spin_lock.c | |
parent | 0be196addae0e464aa32fcccc9d679c2f83f01b4 (diff) |
Avoid "anonymous" code in pthread_spin_lock.
Diffstat (limited to 'nptl/sysdeps/i386/pthread_spin_lock.c')
-rw-r--r-- | nptl/sysdeps/i386/pthread_spin_lock.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/nptl/sysdeps/i386/pthread_spin_lock.c b/nptl/sysdeps/i386/pthread_spin_lock.c deleted file mode 100644 index c059e0123a..0000000000 --- a/nptl/sysdeps/i386/pthread_spin_lock.c +++ /dev/null @@ -1,48 +0,0 @@ -/* Copyright (C) 2002,2003,2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - 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 "pthreadP.h" - -#ifndef LOCK_PREFIX -# ifdef UP -# define LOCK_PREFIX /* nothing */ -# else -# define LOCK_PREFIX "lock;" -# endif -#endif - - -int -pthread_spin_lock (lock) - pthread_spinlock_t *lock; -{ - asm ("\n" - "1:\t" LOCK_PREFIX "decl %0\n\t" - "jne 2f\n\t" - ".subsection 1\n\t" - ".align 16\n" - "2:\trep; nop\n\t" - "cmpl $0, %0\n\t" - "jg 1b\n\t" - "jmp 2b\n\t" - ".previous" - : "=m" (*lock) - : "m" (*lock)); - - return 0; -} |