test/testerror.c
author Ryan C. Gordon <icculus@icculus.org>
Thu, 19 Feb 2015 13:42:56 -0500
changeset 9361 17a2821b451c
parent 9356 e87d6e1e812a
child 9619 b94b6d0bff0f
permissions -rw-r--r--
Some corrections to the SDL2.spec.in (thanks, Simone!).

Fixes Bugzilla #2809.
     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 
    21 static int alive = 0;
    22 
    23 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
    24 static void
    25 quit(int rc)
    26 {
    27     SDL_Quit();
    28     exit(rc);
    29 }
    30 
    31 int SDLCALL
    32 ThreadFunc(void *data)
    33 {
    34     /* Set the child thread error string */
    35     SDL_SetError("Thread %s (%lu) had a problem: %s",
    36                  (char *) data, SDL_ThreadID(), "nevermind");
    37     while (alive) {
    38         SDL_Log("Thread '%s' is alive!\n", (char *) data);
    39         SDL_Delay(1 * 1000);
    40     }
    41     SDL_Log("Child thread error string: %s\n", SDL_GetError());
    42     return (0);
    43 }
    44 
    45 int
    46 main(int argc, char *argv[])
    47 {
    48     SDL_Thread *thread;
    49 
    50     /* Enable standard application logging */
    51     SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
    52 
    53     /* Load the SDL library */
    54     if (SDL_Init(0) < 0) {
    55         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
    56         return (1);
    57     }
    58 
    59     /* Set the error value for the main thread */
    60     SDL_SetError("No worries");
    61 
    62     alive = 1;
    63     thread = SDL_CreateThread(ThreadFunc, NULL, "#1");
    64     if (thread == NULL) {
    65         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create thread: %s\n", SDL_GetError());
    66         quit(1);
    67     }
    68     SDL_Delay(5 * 1000);
    69     SDL_Log("Waiting for thread #1\n");
    70     alive = 0;
    71     SDL_WaitThread(thread, NULL);
    72 
    73     SDL_Log("Main thread error string: %s\n", SDL_GetError());
    74 
    75     SDL_Quit();
    76     return (0);
    77 }