test/testerror.c
author Sam Lantinga <slouken@libsdl.org>
Thu, 07 Dec 2017 16:08:09 -0800
changeset 11730 ac6c607e065c
parent 11020 3b993dbe4cf9
child 11811 5d94cb6b24d3
permissions -rw-r--r--
Enable building the Metal renderer by default, and weak link the Metal framework so the SDL library is safe to use on older Macs
Also generate iOS versions of the Metal shaders
     1 /*
     2   Copyright (C) 1997-2017 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 
    18 #include "SDL.h"
    19 
    20 static int alive = 0;
    21 
    22 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
    23 static void
    24 quit(int rc)
    25 {
    26     SDL_Quit();
    27     exit(rc);
    28 }
    29 
    30 int SDLCALL
    31 ThreadFunc(void *data)
    32 {
    33     /* Set the child thread error string */
    34     SDL_SetError("Thread %s (%lu) had a problem: %s",
    35                  (char *) data, SDL_ThreadID(), "nevermind");
    36     while (alive) {
    37         SDL_Log("Thread '%s' is alive!\n", (char *) data);
    38         SDL_Delay(1 * 1000);
    39     }
    40     SDL_Log("Child thread error string: %s\n", SDL_GetError());
    41     return (0);
    42 }
    43 
    44 int
    45 main(int argc, char *argv[])
    46 {
    47     SDL_Thread *thread;
    48 
    49     /* Enable standard application logging */
    50     SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
    51 
    52     /* Load the SDL library */
    53     if (SDL_Init(0) < 0) {
    54         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
    55         return (1);
    56     }
    57 
    58     /* Set the error value for the main thread */
    59     SDL_SetError("No worries");
    60 
    61     alive = 1;
    62     thread = SDL_CreateThread(ThreadFunc, NULL, "#1");
    63     if (thread == NULL) {
    64         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create thread: %s\n", SDL_GetError());
    65         quit(1);
    66     }
    67     SDL_Delay(5 * 1000);
    68     SDL_Log("Waiting for thread #1\n");
    69     alive = 0;
    70     SDL_WaitThread(thread, NULL);
    71 
    72     SDL_Log("Main thread error string: %s\n", SDL_GetError());
    73 
    74     SDL_Quit();
    75     return (0);
    76 }