Mercurial > sdl-ios-xcode
annotate test/testsem.c @ 3796:b19680c84cdf SDL-ryan-multiple-audio-device
Bunch of 1.3 audio cleanups to remove FIXMEs, get driver specific crap out of
the core and into the drivers where it belongs, and push generic
responsibilities out of the drivers and into the core where they belong.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Wed, 04 Oct 2006 19:54:23 +0000 |
parents | c121d94672cb |
children | d547877e355e |
rev | line source |
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0 | 1 |
2 /* Simple test of the SDL semaphore code */ | |
3 | |
4 #include <stdio.h> | |
5 #include <stdlib.h> | |
6 #include <signal.h> | |
7 | |
8 #include "SDL.h" | |
9 #include "SDL_thread.h" | |
10 | |
11 #define NUM_THREADS 10 | |
12 | |
13 static SDL_sem *sem; | |
14 int alive = 1; | |
15 | |
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16 int SDLCALL |
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17 ThreadFunc(void *data) |
0 | 18 { |
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19 int threadnum = (int) (uintptr_t) data; |
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20 while (alive) { |
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21 SDL_SemWait(sem); |
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22 fprintf(stderr, |
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Sam Lantinga <slouken@libsdl.org>
parents:
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23 "Thread number %d has got the semaphore (value = %d)!\n", |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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24 threadnum, SDL_SemValue(sem)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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25 SDL_Delay(200); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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26 SDL_SemPost(sem); |
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27 fprintf(stderr, |
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Sam Lantinga <slouken@libsdl.org>
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28 "Thread number %d has released the semaphore (value = %d)!\n", |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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29 threadnum, SDL_SemValue(sem)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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30 SDL_Delay(1); /* For the scheduler */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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31 } |
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32 printf("Thread number %d exiting.\n", threadnum); |
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33 return 0; |
0 | 34 } |
35 | |
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36 static void |
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37 killed(int sig) |
0 | 38 { |
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39 alive = 0; |
0 | 40 } |
41 | |
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42 int |
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43 main(int argc, char **argv) |
0 | 44 { |
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45 SDL_Thread *threads[NUM_THREADS]; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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46 uintptr_t i; |
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47 int init_sem; |
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48 |
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49 if (argc < 2) { |
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50 fprintf(stderr, "Usage: %s init_value\n", argv[0]); |
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51 return (1); |
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52 } |
0 | 53 |
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54 /* Load the SDL library */ |
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55 if (SDL_Init(0) < 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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56 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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57 return (1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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58 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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59 signal(SIGTERM, killed); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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60 signal(SIGINT, killed); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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61 |
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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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62 init_sem = atoi(argv[1]); |
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63 sem = SDL_CreateSemaphore(init_sem); |
0 | 64 |
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65 printf("Running %d threads, semaphore value = %d\n", NUM_THREADS, |
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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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66 init_sem); |
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parents:
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67 /* Create all the threads */ |
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68 for (i = 0; i < NUM_THREADS; ++i) { |
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69 threads[i] = SDL_CreateThread(ThreadFunc, (void *) i); |
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70 } |
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71 |
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72 /* Wait 10 seconds */ |
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73 SDL_Delay(10 * 1000); |
0 | 74 |
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75 /* Wait for all threads to finish */ |
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76 printf("Waiting for threads to finish\n"); |
c121d94672cb
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77 alive = 0; |
c121d94672cb
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parents:
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78 for (i = 0; i < NUM_THREADS; ++i) { |
c121d94672cb
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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79 SDL_WaitThread(threads[i], NULL); |
c121d94672cb
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parents:
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80 } |
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81 printf("Finished waiting for threads\n"); |
0 | 82 |
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83 SDL_DestroySemaphore(sem); |
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84 SDL_Quit(); |
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85 return (0); |
0 | 86 } |