Mercurial > sdl-ios-xcode
annotate test/torturethread.c @ 4757:140be6839185
Correctly draw cursor based on position.
Had to add UTF-8 functions utf8_length, utf8_next, utf8_advance.
author | dewyatt |
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date | Sun, 25 Jul 2010 13:17:31 -0400 |
parents | c121d94672cb |
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rev | line source |
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0 | 1 |
2 /* Simple test of the SDL threading code */ | |
3 | |
4 #include <stdio.h> | |
5 #include <stdlib.h> | |
6 #include <signal.h> | |
7 #include <string.h> | |
8 | |
9 #include "SDL.h" | |
10 #include "SDL_thread.h" | |
11 | |
12 #define NUMTHREADS 10 | |
13 | |
14 static char volatile time_for_threads_to_die[NUMTHREADS]; | |
15 | |
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16 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
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17 static void |
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18 quit(int rc) |
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19 { |
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20 SDL_Quit(); |
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21 exit(rc); |
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22 } |
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23 |
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24 int SDLCALL |
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25 SubThreadFunc(void *data) |
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26 { |
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27 while (!*(int volatile *) data) { |
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28 ; /*SDL_Delay(10); *//* do nothing */ |
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29 } |
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30 return 0; |
0 | 31 } |
32 | |
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33 int SDLCALL |
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34 ThreadFunc(void *data) |
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35 { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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36 SDL_Thread *sub_threads[NUMTHREADS]; |
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37 int flags[NUMTHREADS]; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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38 int i; |
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39 int tid = (int) (uintptr_t) data; |
0 | 40 |
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41 fprintf(stderr, "Creating Thread %d\n", tid); |
0 | 42 |
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43 for (i = 0; i < NUMTHREADS; i++) { |
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44 flags[i] = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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45 sub_threads[i] = SDL_CreateThread(SubThreadFunc, &flags[i]); |
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46 } |
0 | 47 |
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48 printf("Thread '%d' waiting for signal\n", tid); |
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49 while (time_for_threads_to_die[tid] != 1) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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50 ; /* do nothing */ |
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51 } |
0 | 52 |
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53 printf("Thread '%d' sending signals to subthreads\n", tid); |
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parents:
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54 for (i = 0; i < NUMTHREADS; i++) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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55 flags[i] = 1; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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56 SDL_WaitThread(sub_threads[i], NULL); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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57 } |
0 | 58 |
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59 printf("Thread '%d' exiting!\n", tid); |
0 | 60 |
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61 return 0; |
0 | 62 } |
63 | |
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64 int |
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65 main(int argc, char *argv[]) |
0 | 66 { |
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67 SDL_Thread *threads[NUMTHREADS]; |
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68 int i; |
0 | 69 |
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70 /* Load the SDL library */ |
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71 if (SDL_Init(0) < 0) { |
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72 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); |
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73 return (1); |
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74 } |
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75 |
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76 signal(SIGSEGV, SIG_DFL); |
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77 for (i = 0; i < NUMTHREADS; i++) { |
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78 time_for_threads_to_die[i] = 0; |
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79 threads[i] = SDL_CreateThread(ThreadFunc, (void *) (uintptr_t) i); |
0 | 80 |
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81 if (threads[i] == NULL) { |
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82 fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); |
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83 quit(1); |
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84 } |
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85 } |
0 | 86 |
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87 for (i = 0; i < NUMTHREADS; i++) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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88 time_for_threads_to_die[i] = 1; |
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89 } |
0 | 90 |
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parents:
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91 for (i = 0; i < NUMTHREADS; i++) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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92 SDL_WaitThread(threads[i], NULL); |
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93 } |
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94 SDL_Quit(); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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95 return (0); |
0 | 96 } |