Mercurial > sdl-ios-xcode
annotate test/torturethread.c @ 2429:2c55b72ba46e gsoc2008_iphone
testdyngles is exactly what it sounds like -- a version of testdyngl that uses OpenGL ES calls instead of OpenGL. Was necessary to create because glOrtho is called glOrthof in OpenGL ES, and OpenGL ES doesn't have glBegin() type semantics for specifying geometry.
author | Holmes Futrell <hfutrell@umail.ucsb.edu> |
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date | Fri, 15 Aug 2008 00:52:52 +0000 |
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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36 SDL_Thread *sub_threads[NUMTHREADS]; |
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37 int flags[NUMTHREADS]; |
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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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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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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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54 for (i = 0; i < NUMTHREADS; i++) { |
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55 flags[i] = 1; |
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56 SDL_WaitThread(sub_threads[i], NULL); |
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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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88 time_for_threads_to_die[i] = 1; |
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89 } |
0 | 90 |
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91 for (i = 0; i < NUMTHREADS; i++) { |
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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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95 return (0); |
0 | 96 } |