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688903eb | 1 | /* Copyright (C) 2002-2018 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
5a03acfe | 18 | |
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19 | #include <sysdep.h> |
20 | ||
21 | ENTRY(pthread_spin_unlock) | |
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22 | movl $1, (%rdi) |
23 | xorl %eax, %eax | |
24 | retq | |
b2741302 | 25 | END(pthread_spin_unlock) |
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26 | |
27 | /* The implementation of pthread_spin_init is identical. */ | |
28 | .globl pthread_spin_init | |
29 | pthread_spin_init = pthread_spin_unlock |