test/testhread.c
changeset 0 74212992fb08
child 1151 be9c9c8f6d53
equal deleted inserted replaced
-1:000000000000 0:74212992fb08
       
     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 int ThreadFunc(void *data)
       
    14 {
       
    15 	printf("Started thread %s: My thread id is %u\n",
       
    16 				(char *)data, SDL_ThreadID());
       
    17 	while ( alive ) {
       
    18 		printf("Thread '%s' is alive!\n", (char *)data);
       
    19 		SDL_Delay(1*1000);
       
    20 	}
       
    21 	printf("Thread '%s' exiting!\n", (char *)data);
       
    22 	return(0);
       
    23 }
       
    24 
       
    25 static void killed(int sig)
       
    26 {
       
    27 	printf("Killed with SIGTERM, waiting 5 seconds to exit\n");
       
    28 	SDL_Delay(5*1000);
       
    29 	alive = 0;
       
    30 	exit(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 		exit(1);
       
    41 	}
       
    42 	atexit(SDL_Quit);
       
    43 
       
    44 	alive = 1;
       
    45 	thread = SDL_CreateThread(ThreadFunc, "#1");
       
    46 	if ( thread == NULL ) {
       
    47 		fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
       
    48 		exit(1);
       
    49 	}
       
    50 	SDL_Delay(5*1000);
       
    51 	printf("Waiting for thread #1\n");
       
    52 	alive = 0;
       
    53 	SDL_WaitThread(thread, NULL);
       
    54 
       
    55 	alive = 1;
       
    56 	thread = SDL_CreateThread(ThreadFunc, "#2");
       
    57 	if ( thread == NULL ) {
       
    58 		fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
       
    59 		exit(1);
       
    60 	}
       
    61 	SDL_Delay(5*1000);
       
    62 	printf("Killing thread #2\n");
       
    63 	SDL_KillThread(thread);
       
    64 
       
    65 	alive = 1;
       
    66 	signal(SIGTERM, killed);
       
    67 	thread = SDL_CreateThread(ThreadFunc, "#3");
       
    68 	if ( thread == NULL ) {
       
    69 		fprintf(stderr, "Couldn't create thread: %s\n", SDL_GetError());
       
    70 		exit(1);
       
    71 	}
       
    72 	raise(SIGTERM);
       
    73 
       
    74 	return(0);	/* Never reached */
       
    75 }