test/testerror.c
author Edward Rudd <urkle@outoforder.cc>
Sat, 12 Oct 2013 11:21:40 -0400
changeset 7807 73da2747c268
parent 7639 9406b7dd2f2d
child 8149 681eb46b8ac4
permissions -rw-r--r--
added simple Drag & drop test
     1 /*
     2   Copyright (C) 1997-2013 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 
    22 static int alive = 0;
    23 
    24 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
    25 static void
    26 quit(int rc)
    27 {
    28     SDL_Quit();
    29     exit(rc);
    30 }
    31 
    32 int SDLCALL
    33 ThreadFunc(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 
    46 int
    47 main(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 }