1/* Copyright (C) 2003-2022 Free Software Foundation, Inc.
2   This file is part of the GNU C Library.
3
4   The GNU C Library is free software; you can redistribute it and/or
5   modify it under the terms of the GNU Lesser General Public
6   License as published by the Free Software Foundation; either
7   version 2.1 of the License, or (at your option) any later version.
8
9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library.  If not, see
16   <https://www.gnu.org/licenses/>.  */
17
18#include <shlib-compat.h>
19
20#define _ERRNO_H 1
21#include <bits/errno.h>
22
23	.text
24	.align	4
25
26	.globl	__pthread_spin_trylock
27	.ent	__pthread_spin_trylock
28__pthread_spin_trylock:
29	.frame	$sp, 0, $26, 0
30	.prologue 0
31
320:	ldl_l	$1, 0($16)
33	lda	$2, 1
34	lda	$0, EBUSY
35	bne	$1, 1f
36
37	stl_c	$2, 0($16)
38	beq	$2, 2f
39	mb
40	lda	$0, 0
41
421:	ret
432:	br	0b
44
45	.end	__pthread_spin_trylock
46versioned_symbol (libc, __pthread_spin_trylock, pthread_spin_trylock,
47		  GLIBC_2_34)
48
49#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34)
50compat_symbol (libpthread, __pthread_spin_trylock, pthread_spin_trylock,
51	       GLIBC_2_2)
52#endif
53