]>
Commit | Line | Data |
---|---|---|
f3c13160 RM |
1 | /* pthread_spin_unlock -- unlock a spin lock. Generic version. |
2 | Copyright (C) 2003 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
17 | License along with the GNU C Library; if not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
19 | 02111-1307 USA. */ | |
20 | ||
21 | #include "pthreadP.h" | |
22 | #include <atomic.h> | |
23 | ||
24 | int | |
25 | pthread_spin_unlock (pthread_spinlock_t *lock) | |
26 | { | |
27 | atomic_full_barrier (); | |
28 | *lock = 0; | |
29 | return 0; | |
30 | } |