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annotate test/testatomic.c @ 5003:3a95a2b93eb3

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Updated the atomic API for better use cases
author Sam Lantinga <slouken@libsdl.org>
date Sat, 15 Jan 2011 12:41:59 -0800
parents 9de326b3099c
children 0c72ae7b7cb2
rev   line source
3338
9de326b3099c Fixed bug #817
Sam Lantinga <slouken@libsdl.org>
parents: 3327
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1 #include <stdio.h>
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2 #include "SDL.h"
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3
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c297230efc75 Disabling 64 bit atomics operations until I figure out why they do not link.
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4 /*
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5 Absolutely basic tests just to see if we get the expected value
3aa519a5c676 I've made so many changes I don't dare continue until I check the current stuff in.
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6 after calling each function.
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c297230efc75 Disabling 64 bit atomics operations until I figure out why they do not link.
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7 */
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8
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9de326b3099c Fixed bug #817
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9 char *
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10 tf(SDL_bool tf)
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11 {
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3a95a2b93eb3 Updated the atomic API for better use cases
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12 static char *t = "TRUE";
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13 static char *f = "FALSE";
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14
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15 if (tf)
3a95a2b93eb3 Updated the atomic API for better use cases
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16 {
3a95a2b93eb3 Updated the atomic API for better use cases
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17 return t;
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18 }
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19
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3a95a2b93eb3 Updated the atomic API for better use cases
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20 return f;
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21 }
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9de326b3099c Fixed bug #817
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parents: 3327
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22
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77d6336711fc First commit for SDL atomic operations.
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23 int
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975fd903466b int testmmousetable.c the arguments to main() are not compatible with what is required in SDL_main.h
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24 main(int argc, char *argv[])
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25 {
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26 int value;
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27 SDL_SpinLock lock = 0;
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72b542f34739 The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
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28
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29 SDL_bool tfret = SDL_FALSE;
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30
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31 printf("\nspin lock---------------------------------------\n\n");
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3aa519a5c676 I've made so many changes I don't dare continue until I check the current stuff in.
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32
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33 SDL_AtomicLock(&lock);
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34 printf("AtomicLock lock=%d\n", lock);
3a95a2b93eb3 Updated the atomic API for better use cases
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35 SDL_AtomicUnlock(&lock);
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36 printf("AtomicUnlock lock=%d\n", lock);
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37
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38 printf("\natomic -----------------------------------------\n\n");
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39
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40 SDL_atomic_t v;
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41
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42 SDL_AtomicSet(&v, 0);
3a95a2b93eb3 Updated the atomic API for better use cases
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43 tfret = SDL_AtomicSet(&v, 10) == 0;
3a95a2b93eb3 Updated the atomic API for better use cases
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parents: 3338
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44 printf("AtomicSet(10) tfret=%s val=%"PRIu32"\n", tf(tfret), SDL_AtomicGet(&v));
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45 tfret = SDL_AtomicAdd(&v, 10) == 10;
3a95a2b93eb3 Updated the atomic API for better use cases
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46 printf("AtomicAdd(10) tfret=%s val=%"PRIu32"\n", tf(tfret), SDL_AtomicGet(&v));
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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
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47
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48 SDL_AtomicSet(&v, 0);
3a95a2b93eb3 Updated the atomic API for better use cases
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49 SDL_AtomicIncRef(&v);
3a95a2b93eb3 Updated the atomic API for better use cases
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50 tfret = (SDL_AtomicGet(&v) == 1);
3a95a2b93eb3 Updated the atomic API for better use cases
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51 printf("AtomicIncRef() tfret=%s val=%"PRIu32"\n", tf(tfret), SDL_AtomicGet(&v));
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parents: 3338
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52 SDL_AtomicIncRef(&v);
3a95a2b93eb3 Updated the atomic API for better use cases
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53 tfret = (SDL_AtomicGet(&v) == 2);
3a95a2b93eb3 Updated the atomic API for better use cases
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54 printf("AtomicIncRef() tfret=%s val=%"PRIu32"\n", tf(tfret), SDL_AtomicGet(&v));
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55 tfret = (SDL_AtomicDecRef(&v) == SDL_FALSE);
3a95a2b93eb3 Updated the atomic API for better use cases
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parents: 3338
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56 printf("AtomicDecRef() tfret=%s val=%"PRIu32"\n", tf(tfret), SDL_AtomicGet(&v));
3a95a2b93eb3 Updated the atomic API for better use cases
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parents: 3338
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57 tfret = (SDL_AtomicDecRef(&v) == SDL_TRUE);
3a95a2b93eb3 Updated the atomic API for better use cases
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58 printf("AtomicDecRef() tfret=%s val=%"PRIu32"\n", tf(tfret), SDL_AtomicGet(&v));
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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
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59
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parents: 3338
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60 SDL_AtomicSet(&v, 10);
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61 tfret = (SDL_AtomicCAS(&v, 0, 20) != 0);
3a95a2b93eb3 Updated the atomic API for better use cases
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62 printf("AtomicCAS() tfret=%s val=%"PRIu32"\n", tf(tfret), SDL_AtomicGet(&v));
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63 value = SDL_AtomicGet(&v);
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64 tfret = (SDL_AtomicCAS(&v, value, 20) == value);
3a95a2b93eb3 Updated the atomic API for better use cases
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65 printf("AtomicCAS() tfret=%s val=%"PRIu32"\n", tf(tfret), SDL_AtomicGet(&v));
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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
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66
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67 return 0;
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68 }