annotate test/testhread.c @ 5282:8e421890cdb8

Fixed bug #1117 There's a new event that's always sent when the window changes size, and that event is what the renderers listen for to determine if they need to rebind their context.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 12 Feb 2011 19:02:14 -0800
parents 0d1b16ee0bca
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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 %lu\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);
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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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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 }