1/* Copyright (C) 2003-2024 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 <errno.h>
19#include <shlib-compat.h>
20
21 .globl __pthread_spin_trylock
22 .type __pthread_spin_trylock,@function
23 .align 5
24__pthread_spin_trylock:
25 tas.b @r4
26 bf/s 1f
27 mov #EBUSY, r0
28 mov #0, r0
291:
30 rts
31 nop
32 .size __pthread_spin_trylock,.-__pthread_spin_trylock
33versioned_symbol (libc, __pthread_spin_trylock, pthread_spin_trylock,
34 GLIBC_2_34)
35
36#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34)
37compat_symbol (libpthread, __pthread_spin_trylock, pthread_spin_trylock,
38 GLIBC_2_2)
39#endif
40

source code of glibc/sysdeps/sh/nptl/pthread_spin_trylock.S