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1 |
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2 /* Simple test of the SDL threading code and error handling */ |
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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 /* Set the child thread error string */ |
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23 SDL_SetError("Thread %s (%d) had a problem: %s", |
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24 (char *)data, SDL_ThreadID(), "nevermind"); |
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25 while ( alive ) { |
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26 printf("Thread '%s' is alive!\n", (char *)data); |
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27 SDL_Delay(1*1000); |
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28 } |
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29 printf("Child thread error string: %s\n", SDL_GetError()); |
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30 return(0); |
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31 } |
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32 |
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33 int main(int argc, char *argv[]) |
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34 { |
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35 SDL_Thread *thread; |
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36 |
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37 /* Load the SDL library */ |
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38 if ( SDL_Init(0) < 0 ) { |
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39 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); |
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40 return(1); |
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41 } |
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42 |
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43 /* Set the error value for the main thread */ |
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44 SDL_SetError("No worries"); |
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45 |
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46 alive = 1; |
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47 thread = SDL_CreateThread(ThreadFunc, "#1"); |
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48 if ( thread == NULL ) { |
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49 fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); |
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50 quit(1); |
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51 } |
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52 SDL_Delay(5*1000); |
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53 printf("Waiting for thread #1\n"); |
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54 alive = 0; |
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55 SDL_WaitThread(thread, NULL); |
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56 |
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57 printf("Main thread error string: %s\n", SDL_GetError()); |
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58 |
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59 SDL_Quit(); |
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60 return(0); |
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61 } |