/* Simple test of the SDL threading code */ #include #include #include #include "SDL.h" #include "SDL_thread.h" static int alive = 0; /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ static void quit(int rc) { SDL_Quit(); exit(rc); } int SDLCALL ThreadFunc(void *data) { printf("Started thread %s: My thread id is %u\n", (char *) data, SDL_ThreadID()); while (alive) { printf("Thread '%s' is alive!\n", (char *) data); SDL_Delay(1 * 1000); } printf("Thread '%s' exiting!\n", (char *) data); return (0); } static void killed(int sig) { printf("Killed with SIGTERM, waiting 5 seconds to exit\n"); SDL_Delay(5 * 1000); alive = 0; quit(0); } int main(int argc, char *argv[]) { SDL_Thread *thread; /* Load the SDL library */ if (SDL_Init(0) < 0) { fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); return (1); } alive = 1; thread = SDL_CreateThread(ThreadFunc, "#1"); if (thread == NULL) { fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); quit(1); } SDL_Delay(5 * 1000); printf("Waiting for thread #1\n"); alive = 0; SDL_WaitThread(thread, NULL); alive = 1; signal(SIGTERM, killed); thread = SDL_CreateThread(ThreadFunc, "#2"); if (thread == NULL) { fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError()); quit(1); } raise(SIGTERM); SDL_Quit(); /* Never reached */ return (0); /* Never reached */ }