/*

   Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>

   This software is provided 'as-is', without any express or implied

   warranty.  In no event will the authors be held liable for any damages

   arising from the use of this software.

   Permission is granted to anyone to use this software for any purpose,

   including commercial applications, and to alter it and redistribute it

   freely.

 */

 /* Simple test of the SDL threading code and error handling */

 #include <stdio.h>

 #include <stdlib.h>

 #include "SDL.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)

 {

     /* Set the child thread error string */

     SDL_SetError("Thread %s (%lu) had a problem: %s",

                  (char *) data, SDL_ThreadID(), "nevermind");

     while (alive) {

         SDL_Log("Thread '%s' is alive!\n", (char *) data);

         SDL_Delay(1 * 1000);

     }

     SDL_Log("Child thread error string: %s\n", SDL_GetError());

     return (0);

 }

 int

 main(int argc, char *argv[])

 {

     SDL_Thread *thread;

     /* Enable standard application logging */

     SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);

     /* Load the SDL library */

     if (SDL_Init(0) < 0) {

         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());

         return (1);

     }

     /* Set the error value for the main thread */

     SDL_SetError("No worries");

     alive = 1;

     thread = SDL_CreateThread(ThreadFunc, NULL, "#1");

     if (thread == NULL) {

         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create thread: %s\n", SDL_GetError());

         quit(1);

     }

     SDL_Delay(5 * 1000);

     SDL_Log("Waiting for thread #1\n");

     alive = 0;

     SDL_WaitThread(thread, NULL);

     SDL_Log("Main thread error string: %s\n", SDL_GetError());

     SDL_Quit();

     return (0);

 }