Wed, 27 Nov 2024 23:00:07 +0100
add TODO to use a future ucx feature
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2013 Olaf Wintermann. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #ifndef ATOMIC_H |
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30 | #define ATOMIC_H |
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31 | |
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32 | #ifdef __cplusplus |
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33 | extern "C" { |
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34 | #endif |
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35 | |
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36 | #ifdef __gnu_linux__ |
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37 | |
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38 | #define ws_atomic_inc32(intptr) __sync_fetch_and_add(intptr, 1) |
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39 | #define ws_atomic_dec32(intptr) __sync_fetch_and_sub(intptr, 1) - 1 |
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40 | #define ws_atomic_add32(intptr, val) __sync_fetch_and_add(intptr, val) |
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41 | #define ws_atomic_sub32(intptr, val) __sync_fetch_and_sub(intptr, val) |
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42 | |
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43 | #elif defined(OSX) |
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44 | #include <libkern/OSAtomic.h> |
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45 | |
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46 | #define ws_atomic_inc32(intptr) OSAtomicIncrement32((volatile int32_t *)intptr) |
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47 | #define ws_atomic_dec32(intptr) OSAtomicDecrement32((volatile int32_t *)intptr) |
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48 | |
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49 | #elif defined(BSD) |
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50 | #define ws_atomic_inc32(intptr) __sync_fetch_and_add(intptr, 1) |
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51 | #define ws_atomic_dec32(intptr) __sync_fetch_and_sub(intptr, 1) - 1 |
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52 | #define ws_atomic_add32(intptr, val) __sync_fetch_and_add(intptr, val) |
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53 | #define ws_atomic_sub32(intptr, val) __sync_fetch_and_sub(intptr, va |
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54 | #else |
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55 | // use atomic.h |
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56 | #include <atomic.h> |
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57 | |
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58 | #define ws_atomic_inc32(intptr) atomic_inc_32_nv(intptr) |
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59 | #define ws_atomic_dec32(intptr) atomic_dec_32_nv(intptr) |
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60 | // TODO |
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61 | |
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62 | #endif |
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63 | |
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64 | |
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65 | #ifdef __cplusplus |
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66 | } |
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67 | #endif |
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68 | |
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69 | #endif /* ATOMIC_H */ |
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