| /* Copyright (C) 2003-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Richard Henderson <rth@twiddle.net>, 2003. |
| |
| 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/>. */ |
| |
| |
| #define _ERRNO_H 1 |
| #include <bits/errno.h> |
| |
| .text |
| .align 4 |
| |
| .globl pthread_spin_trylock |
| .ent pthread_spin_trylock |
| pthread_spin_trylock: |
| .frame $sp, 0, $26, 0 |
| .prologue 0 |
| |
| 0: ldl_l $1, 0($16) |
| lda $2, 1 |
| lda $0, EBUSY |
| bne $1, 1f |
| |
| stl_c $2, 0($16) |
| beq $2, 2f |
| mb |
| lda $0, 0 |
| |
| 1: ret |
| 2: br 0b |
| |
| .end pthread_spin_trylock |
