| 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 | } |