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annotate test/testhread.c @ 5275:7aba0406c273

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Frank Zago to sdl The following patch fixes some of the bitrot for the Nintendo DS port. The support is still basic at the moment, but it allows to run the "general" test under the current head of tree (parent: 5269:11bd1585efb5 tip). Most of the patch is mine, but I integrated a couple changes that John Magnotti posted on Feb 1st.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 12 Feb 2011 11:36:56 -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);
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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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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74 SDL_Quit(); /* Never reached */
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75 return (0); /* Never reached */
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76 }