diff options
Diffstat (limited to 'nptl/sysdeps/x86_64/pthread_spin_trylock.S')
| -rw-r--r-- | nptl/sysdeps/x86_64/pthread_spin_trylock.S | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/nptl/sysdeps/x86_64/pthread_spin_trylock.S b/nptl/sysdeps/x86_64/pthread_spin_trylock.S deleted file mode 100644 index ba1e8b51e5..0000000000 --- a/nptl/sysdeps/x86_64/pthread_spin_trylock.S +++ /dev/null @@ -1,39 +0,0 @@ -/* Copyright (C) 2002-2014 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 <pthread-errnos.h> - - -#ifdef UP -# define LOCK -#else -# define LOCK lock -#endif - - .globl pthread_spin_trylock - .type pthread_spin_trylock,@function - .align 16 -pthread_spin_trylock: - movl $1, %eax - xorl %ecx, %ecx - LOCK - cmpxchgl %ecx, (%rdi) - movl $EBUSY, %eax - cmovel %ecx, %eax - retq - .size pthread_spin_trylock,.-pthread_spin_trylock |