e14743d1 |
1 | |
2 | /* Simple test of the SDL threading 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 | static int alive = 0; |
12 | |
13 | /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
14 | static void quit(int rc) |
15 | { |
16 | SDL_Quit(); |
17 | exit(rc); |
18 | } |
19 | |
20 | int SDLCALL ThreadFunc(void *data) |
21 | { |
22 | printf("Started thread %s: My thread id is %u\n", |
23 | (char *)data, SDL_ThreadID()); |
24 | while ( alive ) { |
25 | printf("Thread '%s' is alive!\n", (char *)data); |
26 | SDL_Delay(1*1000); |
27 | } |
28 | printf("Thread '%s' exiting!\n", (char *)data); |
29 | return(0); |
30 | } |
31 | |
32 | static void killed(int sig) |
33 | { |
34 | printf("Killed with SIGTERM, waiting 5 seconds to exit\n"); |
35 | SDL_Delay(5*1000); |
36 | alive = 0; |
37 | quit(0); |
38 | } |
39 | |
40 | int main(int argc, char *argv[]) |
41 | { |
42 | SDL_Thread *thread; |
43 | |
44 | /* Load the SDL library */ |
45 | if ( SDL_Init(0) < 0 ) { |
46 | fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); |
47 | return(1); |
48 | } |
49 | |
50 | alive = 1; |
51 | thread = SDL_CreateThread(ThreadFunc, "#1"); |
52 | if ( thread == NULL ) { |
53 | fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); |
54 | quit(1); |
55 | } |
56 | SDL_Delay(5*1000); |
57 | printf("Waiting for thread #1\n"); |
58 | alive = 0; |
59 | SDL_WaitThread(thread, NULL); |
60 | |
61 | alive = 1; |
62 | thread = SDL_CreateThread(ThreadFunc, "#2"); |
63 | if ( thread == NULL ) { |
64 | fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); |
65 | quit(1); |
66 | } |
67 | SDL_Delay(5*1000); |
68 | printf("Killing thread #2\n"); |
69 | SDL_KillThread(thread); |
70 | |
71 | alive = 1; |
72 | signal(SIGTERM, killed); |
73 | thread = SDL_CreateThread(ThreadFunc, "#3"); |
74 | if ( thread == NULL ) { |
75 | fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); |
76 | quit(1); |
77 | } |
78 | raise(SIGTERM); |
79 | |
80 | SDL_Quit(); /* Never reached */ |
81 | return(0); /* Never reached */ |
82 | } |