Mercurial > sdl-ios-xcode
annotate test/testsem.c @ 3853:c6d3c5549886 SDL-1.2
Use correct function to free allocated mem
author | Patrice Mandin <patmandin@gmail.com> |
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date | Tue, 05 Sep 2006 19:31:48 +0000 |
parents | 290b5baf2fca |
children | 782fd950bd46 c121d94672cb 99acf3d856cb |
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 | |
1769 | 16 int SDLCALL ThreadFunc(void *data) |
0 | 17 { |
1615
d5298e8f22b3
Ugh, more 64-bit cleanup
Sam Lantinga <slouken@libsdl.org>
parents:
1495
diff
changeset
|
18 int threadnum = (int)(uintptr_t)data; |
0 | 19 while ( alive ) { |
20 SDL_SemWait(sem); | |
1495
1dd8bf30a109
Might have fixed 64-bit issues. :)
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
21 fprintf(stderr, "Thread number %d has got the semaphore (value = %d)!\n", threadnum, SDL_SemValue(sem)); |
0 | 22 SDL_Delay(200); |
23 SDL_SemPost(sem); | |
1495
1dd8bf30a109
Might have fixed 64-bit issues. :)
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
24 fprintf(stderr, "Thread number %d has released the semaphore (value = %d)!\n", threadnum, SDL_SemValue(sem)); |
0 | 25 SDL_Delay(1); /* For the scheduler */ |
26 } | |
1495
1dd8bf30a109
Might have fixed 64-bit issues. :)
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
27 printf("Thread number %d exiting.\n", threadnum); |
0 | 28 return 0; |
29 } | |
30 | |
31 static void killed(int sig) | |
32 { | |
33 alive = 0; | |
34 } | |
35 | |
36 int main(int argc, char **argv) | |
37 { | |
38 SDL_Thread *threads[NUM_THREADS]; | |
1495
1dd8bf30a109
Might have fixed 64-bit issues. :)
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
39 uintptr_t i; |
1dd8bf30a109
Might have fixed 64-bit issues. :)
Sam Lantinga <slouken@libsdl.org>
parents:
1439
diff
changeset
|
40 int init_sem; |
0 | 41 |
42 if(argc < 2) { | |
43 fprintf(stderr,"Usage: %s init_value\n", argv[0]); | |
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
44 return(1); |
0 | 45 } |
46 | |
47 /* Load the SDL library */ | |
48 if ( SDL_Init(0) < 0 ) { | |
49 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); | |
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
50 return(1); |
0 | 51 } |
52 signal(SIGTERM, killed); | |
53 signal(SIGINT, killed); | |
54 | |
55 init_sem = atoi(argv[1]); | |
56 sem = SDL_CreateSemaphore(init_sem); | |
57 | |
58 printf("Running %d threads, semaphore value = %d\n", NUM_THREADS, init_sem); | |
59 /* Create all the threads */ | |
60 for( i = 0; i < NUM_THREADS; ++i ) { | |
61 threads[i] = SDL_CreateThread(ThreadFunc, (void*)i); | |
62 } | |
63 | |
64 /* Wait 10 seconds */ | |
65 SDL_Delay(10 * 1000); | |
66 | |
67 /* Wait for all threads to finish */ | |
68 printf("Waiting for threads to finish\n"); | |
69 alive = 0; | |
70 for( i = 0; i < NUM_THREADS; ++i ) { | |
71 SDL_WaitThread(threads[i], NULL); | |
72 } | |
73 printf("Finished waiting for threads\n"); | |
74 | |
75 SDL_DestroySemaphore(sem); | |
1151
be9c9c8f6d53
Removed atexit() from most of the test programs; atexit(SDL_Quit) isn't safe
Ryan C. Gordon <icculus@icculus.org>
parents:
0
diff
changeset
|
76 SDL_Quit(); |
0 | 77 return(0); |
78 } |