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
11static int alive = 0;
12
13/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
14static void quit(int rc)
15{
16	SDL_Quit();
17	exit(rc);
18}
19
20int 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
32static 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
40int 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}
83