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/* Copyright (C) 2003-2017 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
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