| /* Copyright (C) 2003-2014 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/>. */ |
| |
| #include <pthread-errnos.h> |
| |
| .globl pthread_spin_trylock |
| .type pthread_spin_trylock,@function |
| .align 5 |
| pthread_spin_trylock: |
| tas.b @r4 |
| bf/s 1f |
| mov #EBUSY, r0 |
| mov #0, r0 |
| 1: |
| rts |
| nop |
| .size pthread_spin_trylock,.-pthread_spin_trylock |
