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annotate test/testhread.c @ 3468:789b97008d8a

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My first OpenGL shader! Momma will be so proud! This shader implements the software renderer mask semantics where the source pixel is multiplied by the color and alpha modulation values and then any pixel with non-zero alpha is fully opaque. The OpenGL renderer on Mac OS X now passes all the automated render tests! :)
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 05:29:31 +0000
parents 4436464c4f51
children 0d1b16ee0bca
rev   line source
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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);
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);
0
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41 }
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42
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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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53
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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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64
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65 alive = 1;
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66 signal(SIGTERM, killed);
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67 thread = SDL_CreateThread(ThreadFunc, "#2");
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68 if (thread == NULL) {
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69 fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
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70 quit(1);
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71 }
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72 raise(SIGTERM);
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73
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74 SDL_Quit(); /* Never reached */
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75 return (0); /* Never reached */
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76 }