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76 lines
1.9 KiB
76 lines
1.9 KiB
/* |
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Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org> |
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This software is provided 'as-is', without any express or implied |
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warranty. In no event will the authors be held liable for any damages |
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arising from the use of this software. |
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Permission is granted to anyone to use this software for any purpose, |
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including commercial applications, and to alter it and redistribute it |
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freely. |
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*/ |
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/* Simple test of the SDL threading code and error handling */ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include "SDL.h" |
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static int alive = 0; |
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/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
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static void |
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quit(int rc) |
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{ |
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SDL_Quit(); |
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exit(rc); |
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} |
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int SDLCALL |
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ThreadFunc(void *data) |
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{ |
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/* Set the child thread error string */ |
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SDL_SetError("Thread %s (%lu) had a problem: %s", |
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(char *) data, SDL_ThreadID(), "nevermind"); |
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while (alive) { |
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SDL_Log("Thread '%s' is alive!\n", (char *) data); |
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SDL_Delay(1 * 1000); |
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} |
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SDL_Log("Child thread error string: %s\n", SDL_GetError()); |
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return (0); |
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} |
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int |
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main(int argc, char *argv[]) |
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{ |
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SDL_Thread *thread; |
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/* Enable standard application logging */ |
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SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO); |
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/* Load the SDL library */ |
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if (SDL_Init(0) < 0) { |
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError()); |
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return (1); |
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} |
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/* Set the error value for the main thread */ |
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SDL_SetError("No worries"); |
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alive = 1; |
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thread = SDL_CreateThread(ThreadFunc, NULL, "#1"); |
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if (thread == NULL) { |
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create thread: %s\n", SDL_GetError()); |
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quit(1); |
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} |
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SDL_Delay(5 * 1000); |
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SDL_Log("Waiting for thread #1\n"); |
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alive = 0; |
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SDL_WaitThread(thread, NULL); |
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SDL_Log("Main thread error string: %s\n", SDL_GetError()); |
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SDL_Quit(); |
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return (0); |
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}
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