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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 quit(int rc) |
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15 { |
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16 SDL_Quit(); |
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17 exit(rc); |
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18 } |
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19 |
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20 int SDLCALL ThreadFunc(void *data) |
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21 { |
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22 printf("Started thread %s: My thread id is %u\n", |
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23 (char *)data, SDL_ThreadID()); |
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24 while ( alive ) { |
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25 printf("Thread '%s' is alive!\n", (char *)data); |
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26 SDL_Delay(1*1000); |
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27 } |
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28 printf("Thread '%s' exiting!\n", (char *)data); |
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29 return(0); |
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30 } |
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31 |
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32 static void killed(int sig) |
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33 { |
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34 printf("Killed with SIGTERM, waiting 5 seconds to exit\n"); |
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35 SDL_Delay(5*1000); |
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36 alive = 0; |
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37 quit(0); |
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38 } |
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39 |
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40 int main(int argc, char *argv[]) |
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41 { |
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42 SDL_Thread *thread; |
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43 |
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44 /* Load the SDL library */ |
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45 if ( SDL_Init(0) < 0 ) { |
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46 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); |
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47 return(1); |
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48 } |
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49 |
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50 alive = 1; |
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51 thread = SDL_CreateThread(ThreadFunc, "#1"); |
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52 if ( thread == NULL ) { |
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53 fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); |
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54 quit(1); |
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55 } |
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56 SDL_Delay(5*1000); |
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57 printf("Waiting for thread #1\n"); |
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58 alive = 0; |
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59 SDL_WaitThread(thread, NULL); |
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60 |
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61 alive = 1; |
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62 thread = SDL_CreateThread(ThreadFunc, "#2"); |
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63 if ( thread == NULL ) { |
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64 fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); |
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65 quit(1); |
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66 } |
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67 SDL_Delay(5*1000); |
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68 printf("Killing thread #2\n"); |
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69 SDL_KillThread(thread); |
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70 |
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71 alive = 1; |
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72 signal(SIGTERM, killed); |
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73 thread = SDL_CreateThread(ThreadFunc, "#3"); |
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74 if ( thread == NULL ) { |
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75 fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); |
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76 quit(1); |
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77 } |
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78 raise(SIGTERM); |
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79 |
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80 SDL_Quit(); /* Never reached */ |
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81 return(0); /* Never reached */ |
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82 } |