SDL/test/testthread.c
Simon McVittie 40bef98f8b test: Add a mode to skip tests that involve arbitrary delays
This can be used as a quick acceptance test for CI workflows.

Signed-off-by: Simon McVittie <smcv@collabora.com>
2022-05-04 18:17:55 -07:00

137 lines
3.6 KiB
C

/*
Copyright (C) 1997-2022 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;
static int testprio = 0;
/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
static void
quit(int rc)
{
SDL_Quit();
exit(rc);
}
static const char *
getprioritystr(SDL_ThreadPriority priority)
{
switch(priority)
{
case SDL_THREAD_PRIORITY_LOW: return "SDL_THREAD_PRIORITY_LOW";
case SDL_THREAD_PRIORITY_NORMAL: return "SDL_THREAD_PRIORITY_NORMAL";
case SDL_THREAD_PRIORITY_HIGH: return "SDL_THREAD_PRIORITY_HIGH";
case SDL_THREAD_PRIORITY_TIME_CRITICAL: return "SDL_THREAD_PRIORITY_TIME_CRITICAL";
}
return "???";
}
int SDLCALL
ThreadFunc(void *data)
{
SDL_ThreadPriority prio = SDL_THREAD_PRIORITY_NORMAL;
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);
if (testprio) {
SDL_Log("SDL_SetThreadPriority(%s):%d\n", getprioritystr(prio), SDL_SetThreadPriority(prio));
if (++prio > SDL_THREAD_PRIORITY_TIME_CRITICAL)
prio = SDL_THREAD_PRIORITY_LOW;
}
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[])
{
int arg = 1;
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);
}
if (SDL_getenv("SDL_TESTS_QUICK") != NULL) {
SDL_Log("Not running slower tests");
SDL_Quit();
return 0;
}
while (argv[arg] && *argv[arg] == '-') {
if (SDL_strcmp(argv[arg], "--prio") == 0) {
testprio = 1;
}
++arg;
}
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 */
}