view test/testerror.c @ 1879:cb232e63552c

Default the X11 dynamically loading on if the OS loader loads libraries with their private symbols hidden. If that isn't the case, and someone tries to enable it anyway, spit out a warning and don't let them do it.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 23 Jun 2006 08:39:05 +0000
parents 290b5baf2fca
children 782fd950bd46 c121d94672cb
line wrap: on
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/* Simple test of the SDL threading code and error handling */

#include <stdio.h>
#include <stdlib.h>
#include <signal.h>

#include "SDL.h"
#include "SDL_thread.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 (%d) had a problem: %s",
			(char *)data, SDL_ThreadID(), "nevermind");
	while ( alive ) {
		printf("Thread '%s' is alive!\n", (char *)data);
		SDL_Delay(1*1000);
	}
	printf("Child thread error string: %s\n", SDL_GetError());
	return(0);
}

int main(int argc, char *argv[])
{
	SDL_Thread *thread;

	/* Load the SDL library */
	if ( SDL_Init(0) < 0 ) {
		fprintf(stderr, "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, "#1");
	if ( thread == NULL ) {
		fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
		quit(1);
	}
	SDL_Delay(5*1000);
	printf("Waiting for thread #1\n");
	alive = 0;
	SDL_WaitThread(thread, NULL);

	printf("Main thread error string: %s\n", SDL_GetError());

	SDL_Quit();
	return(0);
}