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 |
29 | 1: |
30 | rts |
31 | nop |
32 | .size __pthread_spin_trylock,.-__pthread_spin_trylock |
33 | versioned_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) |
37 | compat_symbol (libpthread, __pthread_spin_trylock, pthread_spin_trylock, |
38 | GLIBC_2_2) |
39 | #endif |
40 | |