annotate test/testhread.c @ 1746:a0ddae8b43cf

Disable the XRandR extension by default, since KDE maximizes windows which are larger than the new resolution, and then doesn't restore their size and positition when the old resolution is restored. The extension can be enabled with the environment variable SDL_VIDEO_X11_XRANDR=1
author Sam Lantinga <slouken@libsdl.org>
date Sat, 29 Apr 2006 17:54:32 +0000
parents be9c9c8f6d53
children 14717b52abc0
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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 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);
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);
0
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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);
0
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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 }