1 

     2 /* Simple test of the SDL threading code and error handling */

     3 

     4 #include <stdio.h>

     5 #include <stdlib.h>

     6 #include <signal.h>

     7 

     8 #include "SDL.h"

     9 #include "SDL_thread.h"

    10 

    11 static int alive = 0;

    12 

    13 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */

    14 static void quit(int rc)

    15 {

    16 	SDL_Quit();

    17 	exit(rc);

    18 }

    19 

    20 int SDLCALL ThreadFunc(void *data)

    21 {

    22 	/* Set the child thread error string */

    23 	SDL_SetError("Thread %s (%d) had a problem: %s",

    24 			(char *)data, SDL_ThreadID(), "nevermind");

    25 	while ( alive ) {

    26 		printf("Thread '%s' is alive!\n", (char *)data);

    27 		SDL_Delay(1*1000);

    28 	}

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

    30 	return(0);

    31 }

    32 

    33 int main(int argc, char *argv[])

    34 {

    35 	SDL_Thread *thread;

    36 

    37 	/* Load the SDL library */

    38 	if ( SDL_Init(0) < 0 ) {

    39 		fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());

    40 		return(1);

    41 	}

    42 

    43 	/* Set the error value for the main thread */

    44 	SDL_SetError("No worries");

    45 

    46 	alive = 1;

    47 	thread = SDL_CreateThread(ThreadFunc, "#1");

    48 	if ( thread == NULL ) {

    49 		fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());

    50 		quit(1);

    51 	}

    52 	SDL_Delay(5*1000);

    53 	printf("Waiting for thread #1\n");

    54 	alive = 0;

    55 	SDL_WaitThread(thread, NULL);

    56 

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

    58 

    59 	SDL_Quit();

    60 	return(0);

    61 }