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annotate test/testatomic.c @ 3258:e786366ea23b

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This doesn't actually build on other platforms, I'll have to check with Martin
author Sam Lantinga <slouken@libsdl.org>
date Mon, 07 Sep 2009 05:01:01 +0000
parents 916f396fe65d
children 72b542f34739
rev   line source
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1 #include "SDL.h"
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2
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3 /*
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4 Absolutely basic tests just to see if we get the expected value
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5 after calling each function.
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6 */
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7
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8 char *
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9 tf(SDL_bool tf)
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10 {
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11 static char *t = "true";
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12 static char *f = "false";
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13
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14 if (tf)
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15 {
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16 return t;
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17 }
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18
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19 return f;
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20 }
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21
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22 int
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23 main(int argc, char **argv)
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24 {
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25
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26 volatile Uint32 val32 = 0;
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27 Uint32 ret32 = 0;
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28
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29 volatile Uint64 val64 = 0;
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30 Uint64 ret64 = 0;
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31
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32 SDL_bool tfret = SDL_FALSE;
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33
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34 printf("32 bit -----------------------------------------\n\n");
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35
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36 ret32 = SDL_AtomicExchange32(&val32, 10);
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37 printf("Exchange32 ret=%d val=%d\n", ret32, val32);
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38 ret32 = SDL_AtomicExchange32(&val32, 0);
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39 printf("Exchange32 ret=%d val=%d\n", ret32, val32);
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40
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41 val32 = 10;
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42 tfret = SDL_AtomicCompareThenSet32(&val32, 10, 20);
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43 printf("CompareThenSet32 tfret=%s val=%d\n", tf(tfret), val32);
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44 val32 = 10;
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45 tfret = SDL_AtomicCompareThenSet32(&val32, 0, 20);
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46 printf("CompareThenSet32 tfret=%s val=%d\n", tf(tfret), val32);
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47
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48 val32 = 0;
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49 tfret = SDL_AtomicTestThenSet32(&val32);
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50 printf("TestThenSet32 tfret=%s val=%d\n", tf(tfret), val32);
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51 tfret = SDL_AtomicTestThenSet32(&val32);
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52 printf("TestThenSet32 tfret=%s val=%d\n", tf(tfret), val32);
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53
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54 SDL_AtomicClear32(&val32);
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55 printf("Clear32 val=%d\n", val32);
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56
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57 ret32 = SDL_AtomicFetchThenIncrement32(&val32);
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58 printf("FetchThenIncrement32 ret=%d val=%d\n", ret32, val32);
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59
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60 ret32 = SDL_AtomicFetchThenDecrement32(&val32);
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61 printf("FetchThenDecrement32 ret=%d val=%d\n", ret32, val32);
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62
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63 ret32 = SDL_AtomicFetchThenAdd32(&val32, 10);
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64 printf("FetchThenAdd32 ret=%d val=%d\n", ret32, val32);
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65
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66 ret32 = SDL_AtomicFetchThenSubtract32(&val32, 10);
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67 printf("FetchThenSubtract32 ret=%d val=%d\n", ret32, val32);
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69 ret32 = SDL_AtomicIncrementThenFetch32(&val32);
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70 printf("IncrementThenFetch32 ret=%d val=%d\n", ret32, val32);
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72 ret32 = SDL_AtomicDecrementThenFetch32(&val32);
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73 printf("DecrementThenFetch32 ret=%d val=%d\n", ret32, val32);
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75 ret32 = SDL_AtomicAddThenFetch32(&val32, 10);
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76 printf("AddThenFetch32 ret=%d val=%d\n", ret32, val32);
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78 ret32 = SDL_AtomicSubtractThenFetch32(&val32, 10);
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79 printf("SubtractThenFetch32 ret=%d val=%d\n", ret32, val32);
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80
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81 #ifdef SDL_HAS_64BIT_TYPE
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82 printf("64 bit -----------------------------------------\n\n");
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83
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84 ret64 = SDL_AtomicExchange64(&val64, 10);
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85 printf("Exchange64 ret=%lld val=%lld\n", ret64, val64);
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86 ret64 = SDL_AtomicExchange64(&val64, 0);
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87 printf("Exchange64 ret=%lld val=%lld\n", ret64, val64);
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88
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89 val64 = 10;
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90 tfret = SDL_AtomicCompareThenSet64(&val64, 10, 20);
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91 printf("CompareThenSet64 tfret=%s val=%lld\n", tf(tfret), val64);
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92 val64 = 10;
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93 tfret = SDL_AtomicCompareThenSet64(&val64, 0, 20);
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94 printf("CompareThenSet64 tfret=%s val=%lld\n", tf(tfret), val64);
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95
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96 val64 = 0;
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97 tfret = SDL_AtomicTestThenSet64(&val64);
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98 printf("TestThenSet64 tfret=%s val=%lld\n", tf(tfret), val64);
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99 tfret = SDL_AtomicTestThenSet64(&val64);
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100 printf("TestThenSet64 tfret=%s val=%lld\n", tf(tfret), val64);
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102 SDL_AtomicClear64(&val64);
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103 printf("Clear64 val=%lld\n", val64);
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105 ret64 = SDL_AtomicFetchThenIncrement64(&val64);
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106 printf("FetchThenIncrement64 ret=%lld val=%lld\n", ret64, val64);
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108 ret64 = SDL_AtomicFetchThenDecrement64(&val64);
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109 printf("FetchThenDecrement64 ret=%lld val=%lld\n", ret64, val64);
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111 ret64 = SDL_AtomicFetchThenAdd64(&val64, 10);
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112 printf("FetchThenAdd64 ret=%lld val=%lld\n", ret64, val64);
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114 ret64 = SDL_AtomicFetchThenSubtract64(&val64, 10);
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115 printf("FetchThenSubtract64 ret=%lld val=%lld\n", ret64, val64);
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116
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117 ret64 = SDL_AtomicIncrementThenFetch64(&val64);
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118 printf("IncrementThenFetch64 ret=%lld val=%lld\n", ret64, val64);
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119
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120 ret64 = SDL_AtomicDecrementThenFetch64(&val64);
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121 printf("DecrementThenFetch64 ret=%lld val=%lld\n", ret64, val64);
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122
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c297230efc75 Disabling 64 bit atomics operations until I figure out why they do not link.
Bob Pendleton <bob@pendleton.com>
parents: 3199
diff changeset
123 ret64 = SDL_AtomicAddThenFetch64(&val64, 10);
3202
3aa519a5c676 I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents: 3201
diff changeset
124 printf("AddThenFetch64 ret=%lld val=%lld\n", ret64, val64);
3aa519a5c676 I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents: 3201
diff changeset
125
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c297230efc75 Disabling 64 bit atomics operations until I figure out why they do not link.
Bob Pendleton <bob@pendleton.com>
parents: 3199
diff changeset
126 ret64 = SDL_AtomicSubtractThenFetch64(&val64, 10);
3202
3aa519a5c676 I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents: 3201
diff changeset
127 printf("SubtractThenFetch64 ret=%lld val=%lld\n", ret64, val64);
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c297230efc75 Disabling 64 bit atomics operations until I figure out why they do not link.
Bob Pendleton <bob@pendleton.com>
parents: 3199
diff changeset
128 #endif
3186
Sam Lantinga <slouken@libsdl.org>
parents: 3180
diff changeset
129
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c297230efc75 Disabling 64 bit atomics operations until I figure out why they do not link.
Bob Pendleton <bob@pendleton.com>
parents: 3199
diff changeset
130 return 0;
c297230efc75 Disabling 64 bit atomics operations until I figure out why they do not link.
Bob Pendleton <bob@pendleton.com>
parents: 3199
diff changeset
131 }