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Diffstat (limited to '3rdparty/SDL2/test/testthread.c')
-rw-r--r-- | 3rdparty/SDL2/test/testthread.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/3rdparty/SDL2/test/testthread.c b/3rdparty/SDL2/test/testthread.c new file mode 100644 index 00000000000..90e2c60c588 --- /dev/null +++ b/3rdparty/SDL2/test/testthread.c @@ -0,0 +1,98 @@ +/* + 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 */ + +#include <stdio.h> +#include <stdlib.h> +#include <signal.h> + +#include "SDL.h" + +static SDL_TLSID tls; +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) +{ + SDL_TLSSet(tls, "baby thread", NULL); + SDL_Log("Started thread %s: My thread id is %lu, thread data = %s\n", + (char *) data, SDL_ThreadID(), (const char *)SDL_TLSGet(tls)); + while (alive) { + SDL_Log("Thread '%s' is alive!\n", (char *) data); + SDL_Delay(1 * 1000); + } + SDL_Log("Thread '%s' exiting!\n", (char *) data); + return (0); +} + +static void +killed(int sig) +{ + SDL_Log("Killed with SIGTERM, waiting 5 seconds to exit\n"); + SDL_Delay(5 * 1000); + alive = 0; + quit(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); + } + + tls = SDL_TLSCreate(); + SDL_assert(tls); + SDL_TLSSet(tls, "main thread", NULL); + SDL_Log("Main thread data initially: %s\n", (const char *)SDL_TLSGet(tls)); + + alive = 1; + thread = SDL_CreateThread(ThreadFunc, "One", "#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 data finally: %s\n", (const char *)SDL_TLSGet(tls)); + + alive = 1; + signal(SIGTERM, killed); + thread = SDL_CreateThread(ThreadFunc, "Two", "#2"); + if (thread == NULL) { + SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create thread: %s\n", SDL_GetError()); + quit(1); + } + raise(SIGTERM); + + SDL_Quit(); /* Never reached */ + return (0); /* Never reached */ +} |