2019-01-01 00:11:28 +00:00
|
|
|
/* Copyright (C) 2012-2019 Free Software Foundation, Inc.
|
2003-08-31 18:10:47 +00:00
|
|
|
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
|
2012-02-09 23:18:22 +00:00
|
|
|
License along with the GNU C Library; if not, see
|
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
2003-08-31 18:10:47 +00:00
|
|
|
|
2012-05-03 02:04:54 +00:00
|
|
|
#include <sysdep.h>
|
|
|
|
|
#include <pthread-errnos.h>
|
2003-08-31 18:10:47 +00:00
|
|
|
|
2012-05-03 02:04:54 +00:00
|
|
|
.text
|
|
|
|
|
ENTRY(pthread_spin_trylock)
|
|
|
|
|
ldstub [%o0], %o0
|
|
|
|
|
cmp %o0, 0
|
|
|
|
|
bne,a 1f
|
|
|
|
|
mov EBUSY, %o0
|
|
|
|
|
1: retl
|
|
|
|
|
nop
|
|
|
|
|
END(pthread_spin_trylock)
|
