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1 /* Copyright (C) 2015-2017 Free Software Foundation, Inc.
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2
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3 This file is part of the GNU Atomic Library (libatomic).
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4
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5 Libatomic is free software; you can redistribute it and/or modify it
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6 under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 3 of the License, or
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8 (at your option) any later version.
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9
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10 Libatomic is distributed in the hope that it will be useful, but WITHOUT ANY
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11 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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12 FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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13 more details.
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14
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15 Under Section 7 of GPL version 3, you are granted additional
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16 permissions described in the GCC Runtime Library Exception, version
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17 3.1, as published by the Free Software Foundation.
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18
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19 You should have received a copy of the GNU General Public License and
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20 a copy of the GCC Runtime Library Exception along with this program;
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21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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22 <http://www.gnu.org/licenses/>. */
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23
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24 #include "libatomic_i.h"
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25
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26 #include <stdatomic.h>
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27
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28 /* Out-of-line versions of <stdatomic.h> flag functions. */
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29
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30 /* Atomically set *OBJECT to true, returning the previous value. */
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31
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32 _Bool
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33 (atomic_flag_test_and_set) (volatile atomic_flag *object)
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34 {
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35 return atomic_flag_test_and_set (object);
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36 }
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37
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38 /* Atomically set *OBJECT to true, returning the previous value, with
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39 memory affected according to ORDER. */
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40
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41 _Bool
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42 (atomic_flag_test_and_set_explicit) (volatile atomic_flag *object,
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43 memory_order order)
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44 {
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45 return atomic_flag_test_and_set_explicit (object, order);
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46 }
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47
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48 /* Atomically set *OBJECT to false. */
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49
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50 void
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51 (atomic_flag_clear) (volatile atomic_flag *object)
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52 {
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53 atomic_flag_clear (object);
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54 }
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55
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56 /* Atomically set *OBJECT to false, with memory affected according to
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57 ORDER. */
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58
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59 void
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60 (atomic_flag_clear_explicit) (volatile atomic_flag *object,
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61 memory_order order)
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62 {
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63 return atomic_flag_clear_explicit (object, order);
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64 }
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