1 

     2 /* Simple test of the SDL threading code */

     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 	printf("Started thread %s: My thread id is %u\n",

    23 				(char *)data, SDL_ThreadID());

    24 	while ( alive ) {

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

    26 		SDL_Delay(1*1000);

    27 	}

    28 	printf("Thread '%s' exiting!\n", (char *)data);

    29 	return(0);

    30 }

    31 

    32 static void killed(int sig)

    33 {

    34 	printf("Killed with SIGTERM, waiting 5 seconds to exit\n");

    35 	SDL_Delay(5*1000);

    36 	alive = 0;

    37 	quit(0);

    38 }

    39 

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

    41 {

    42 	SDL_Thread *thread;

    43 

    44 	/* Load the SDL library */

    45 	if ( SDL_Init(0) < 0 ) {

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

    47 		return(1);

    48 	}

    49 

    50 	alive = 1;

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

    52 	if ( thread == NULL ) {

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

    54 		quit(1);

    55 	}

    56 	SDL_Delay(5*1000);

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

    58 	alive = 0;

    59 	SDL_WaitThread(thread, NULL);

    60 

    61 	alive = 1;

    62 	thread = SDL_CreateThread(ThreadFunc, "#2");

    63 	if ( thread == NULL ) {

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

    65 		quit(1);

    66 	}

    67 	SDL_Delay(5*1000);

    68 	printf("Killing thread #2\n");

    69 	SDL_KillThread(thread);

    70 

    71 	alive = 1;

    72 	signal(SIGTERM, killed);

    73 	thread = SDL_CreateThread(ThreadFunc, "#3");

    74 	if ( thread == NULL ) {

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

    76 		quit(1);

    77 	}

    78 	raise(SIGTERM);

    79 

    80 	SDL_Quit();	/* Never reached */

    81 	return(0);	/* Never reached */

    82 }