e14743d1 |
1 | |
2 | /* Simple test of the SDL threading code and error handling */ |
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 | /* Set the child thread error string */ |
23 | SDL_SetError("Thread %s (%d) had a problem: %s", |
24 | (char *)data, SDL_ThreadID(), "nevermind"); |
25 | while ( alive ) { |
26 | printf("Thread '%s' is alive!\n", (char *)data); |
27 | SDL_Delay(1*1000); |
28 | } |
29 | printf("Child thread error string: %s\n", SDL_GetError()); |
30 | return(0); |
31 | } |
32 | |
33 | int main(int argc, char *argv[]) |
34 | { |
35 | SDL_Thread *thread; |
36 | |
37 | /* Load the SDL library */ |
38 | if ( SDL_Init(0) < 0 ) { |
39 | fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); |
40 | return(1); |
41 | } |
42 | |
43 | /* Set the error value for the main thread */ |
44 | SDL_SetError("No worries"); |
45 | |
46 | alive = 1; |
47 | thread = SDL_CreateThread(ThreadFunc, "#1"); |
48 | if ( thread == NULL ) { |
49 | fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); |
50 | quit(1); |
51 | } |
52 | SDL_Delay(5*1000); |
53 | printf("Waiting for thread #1\n"); |
54 | alive = 0; |
55 | SDL_WaitThread(thread, NULL); |
56 | |
57 | printf("Main thread error string: %s\n", SDL_GetError()); |
58 | |
59 | SDL_Quit(); |
60 | return(0); |
61 | } |