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annotate test/testhread.c @ 1680:9488fca10677 SDL-1.3

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Dummy video driver works again in high color video modes. Yay!
author Sam Lantinga <slouken@libsdl.org>
date Wed, 14 Jun 2006 08:41:13 +0000
parents 4da1ee79c9af
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1
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2 /* Simple test of the SDL threading code */
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3
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4 #include <stdio.h>
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5 #include <stdlib.h>
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6 #include <signal.h>
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7
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8 #include "SDL.h"
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9 #include "SDL_thread.h"
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10
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11 static int alive = 0;
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12
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13 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
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14 static void
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15 quit(int rc)
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16 {
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17 SDL_Quit();
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18 exit(rc);
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19 }
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20
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21 int SDLCALL
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22 ThreadFunc(void *data)
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23 {
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24 printf("Started thread %s: My thread id is %u\n",
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25 (char *) data, SDL_ThreadID());
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26 while (alive) {
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27 printf("Thread '%s' is alive!\n", (char *) data);
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28 SDL_Delay(1 * 1000);
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29 }
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30 printf("Thread '%s' exiting!\n", (char *) data);
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31 return (0);
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32 }
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33
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34 static void
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35 killed(int sig)
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36 {
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37 printf("Killed with SIGTERM, waiting 5 seconds to exit\n");
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38 SDL_Delay(5 * 1000);
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39 alive = 0;
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40 quit(0);
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41 }
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43 int
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44 main(int argc, char *argv[])
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45 {
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46 SDL_Thread *thread;
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47
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48 /* Load the SDL library */
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49 if (SDL_Init(0) < 0) {
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50 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
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51 return (1);
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52 }
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54 alive = 1;
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55 thread = SDL_CreateThread(ThreadFunc, "#1");
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56 if (thread == NULL) {
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57 fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
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58 quit(1);
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59 }
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60 SDL_Delay(5 * 1000);
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61 printf("Waiting for thread #1\n");
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62 alive = 0;
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63 SDL_WaitThread(thread, NULL);
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65 alive = 1;
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66 thread = SDL_CreateThread(ThreadFunc, "#2");
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67 if (thread == NULL) {
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68 fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
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69 quit(1);
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70 }
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71 SDL_Delay(5 * 1000);
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72 printf("Killing thread #2\n");
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73 SDL_KillThread(thread);
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74
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75 alive = 1;
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76 signal(SIGTERM, killed);
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77 thread = SDL_CreateThread(ThreadFunc, "#3");
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78 if (thread == NULL) {
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79 fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
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80 quit(1);
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81 }
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82 raise(SIGTERM);
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83
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84 SDL_Quit(); /* Never reached */
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85 return (0); /* Never reached */
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86 }