kc3-lang/SDL/test/testerror.c

Branch : - branch - v2.28 - tag -

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  Commit

• Author : Sam Lantinga
  Date : 2016-01-02 10:10:34
  Hash : 42065e78
  Message : Updated copyright to 2016

• test/testerror.c

• /*
    Copyright (C) 1997-2016 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 <signal.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);
  }