testerror.c
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/*
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 and error handling */
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include "SDL.h"
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)
{
/* Set the child thread error string */
SDL_SetError("Thread %s (%lu) had a problem: %s",
(char *) data, SDL_ThreadID(), "nevermind");
while (alive) {
SDL_Log("Thread '%s' is alive!\n", (char *) data);
SDL_Delay(1 * 1000);
}
SDL_Log("Child thread error string: %s\n", SDL_GetError());
return (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);
}
/* Set the error value for the main thread */
SDL_SetError("No worries");
alive = 1;
thread = SDL_CreateThread(ThreadFunc, NULL, "#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 error string: %s\n", SDL_GetError());
SDL_Quit();
return (0);
}
SDL_ThreadID
#define SDL_ThreadID
Definition: SDL_dynapi_overrides.h:479
SDL_GetError
#define SDL_GetError
Definition: SDL_dynapi_overrides.h:119
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1967
SDL_LogError
#define SDL_LogError
Definition: SDL_dynapi_overrides.h:42
SDL_Log
#define SDL_Log
Definition: SDL_dynapi_overrides.h:37
SDL_Quit
#define SDL_Quit
Definition: SDL_dynapi_overrides.h:64
ThreadFunc
int ThreadFunc(void *data)
Definition: testerror.c:32
SDL_LOG_PRIORITY_INFO
Definition: SDL_log.h:106
quit
static void quit(int rc)
Definition: testerror.c:25
SDL_CreateThread
#define SDL_CreateThread
Definition: SDL_dynapi_overrides.h:47
SDL_Delay
#define SDL_Delay
Definition: SDL_dynapi_overrides.h:490
SDL_LogSetPriority
#define SDL_LogSetPriority
Definition: SDL_dynapi_overrides.h:242
NULL
#define NULL
Definition: begin_code.h:143
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:36
SDL_Thread
Definition: SDL_thread_c.h:54
SDL_Init
#define SDL_Init
Definition: SDL_dynapi_overrides.h:60
SDL.h
SDLCALL
#define SDLCALL
Definition: SDL_internal.h:31
SDL_LOG_CATEGORY_APPLICATION
Definition: SDL_log.h:66
main
int main(int argc, char *argv[])
Definition: testerror.c:46
SDL_WaitThread
#define SDL_WaitThread
Definition: SDL_dynapi_overrides.h:482
alive
static int alive
Definition: testerror.c:21