cscg22-gearboy

CSCG 2022 Challenge 'Gearboy'
git clone https://git.sinitax.com/sinitax/cscg22-gearboy
Log | Files | Refs | sfeed.txt

testerror.c (2011B)

      1/*
      2  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
      3
      4  This software is provided 'as-is', without any express or implied
      5  warranty.  In no event will the authors be held liable for any damages
      6  arising from the use of this software.
      7
      8  Permission is granted to anyone to use this software for any purpose,
      9  including commercial applications, and to alter it and redistribute it
     10  freely.
     11*/
     12
     13/* Simple test of the SDL threading code and error handling */
     14
     15#include <stdio.h>
     16#include <stdlib.h>
     17#include <signal.h>
     18
     19#include "SDL.h"
     20#include "SDL_thread.h"
     21
     22static int alive = 0;
     23
     24/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
     25static void
     26quit(int rc)
     27{
     28    SDL_Quit();
     29    exit(rc);
     30}
     31
     32int SDLCALL
     33ThreadFunc(void *data)
     34{
     35    /* Set the child thread error string */
     36    SDL_SetError("Thread %s (%lu) had a problem: %s",
     37                 (char *) data, SDL_ThreadID(), "nevermind");
     38    while (alive) {
     39        SDL_Log("Thread '%s' is alive!\n", (char *) data);
     40        SDL_Delay(1 * 1000);
     41    }
     42    SDL_Log("Child thread error string: %s\n", SDL_GetError());
     43    return (0);
     44}
     45
     46int
     47main(int argc, char *argv[])
     48{
     49    SDL_Thread *thread;
     50
     51    /* Enable standard application logging */
     52    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
     53
     54    /* Load the SDL library */
     55    if (SDL_Init(0) < 0) {
     56        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
     57        return (1);
     58    }
     59
     60    /* Set the error value for the main thread */
     61    SDL_SetError("No worries");
     62
     63    alive = 1;
     64    thread = SDL_CreateThread(ThreadFunc, NULL, "#1");
     65    if (thread == NULL) {
     66        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create thread: %s\n", SDL_GetError());
     67        quit(1);
     68    }
     69    SDL_Delay(5 * 1000);
     70    SDL_Log("Waiting for thread #1\n");
     71    alive = 0;
     72    SDL_WaitThread(thread, NULL);
     73
     74    SDL_Log("Main thread error string: %s\n", SDL_GetError());
     75
     76    SDL_Quit();
     77    return (0);
     78}