C++ (Cpp) tc_join Examples

Example #1

File: snctl.c Project: Grace-Liu/bess

static struct snobj *handle_add_tc(struct snobj *q)
{
	const char *tc_name;
	int wid;

	struct tc_params params;
	struct tc *c;

	tc_name = snobj_eval_str(q, "name");
	if (!tc_name)
		return snobj_err(EINVAL, "Missing 'name' field");

	if (!ns_is_valid_name(tc_name))
		return snobj_err(EINVAL, "'%s' is an invalid name", tc_name);

	if (ns_name_exists(tc_name))
		return snobj_err(EINVAL, "Name '%s' already exists", tc_name);

	wid = snobj_eval_uint(q, "wid");
	if (wid >= MAX_WORKERS)
		return snobj_err(EINVAL, 
				"'wid' must be between 0 and %d",
				MAX_WORKERS - 1);

	if (!is_worker_active(wid))
		return snobj_err(EINVAL, "worker:%d does not exist", wid);

	memset(&params, 0, sizeof(params));

	strcpy(params.name, tc_name);

	params.priority = snobj_eval_int(q, "priority");
	if (params.priority == DEFAULT_PRIORITY)
		return snobj_err(EINVAL, "Priority %d is reserved",
				DEFAULT_PRIORITY);

	/* TODO */
	params.share = 1;
	params.share_resource = RESOURCE_CNT;

	c = tc_init(workers[wid]->s, &params);
	if (is_err(c))
		return snobj_err(-ptr_to_err(c), "tc_init() failed");

	tc_join(c);

	return NULL;
}

Example #2

File: speed-test.c Project: j0nn9/C-Utils

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

  if (argc != 3) {
    printf("%s <num rands> <num threads>\n", argv[0]);
    exit(1);
  }

  uint64_t i, j, num_rands = atoi(argv[1]);
  uint64_t num_threads     = atoi(argv[2]);

  srand(time(NULL));


  TClient *clients  = malloc(sizeof(TClient)   * num_threads);
  ThreadArgs **args = malloc(sizeof(ThreadArgs *) * num_threads);

  for (i = 0; i < num_threads; i++) {
    init_thread_client(&clients[i]);

    args[i] = malloc(sizeof(ThreadArgs));
    args[i]->i = i;
    args[i]->num_threads = num_threads;
    args[i]->num_rands   = num_rands;
  }

  
  struct timeval rand32_r, rand128_r, normal_r;// result
  struct timeval rand32_s, rand128_s, normal_s;// start
  struct timeval rand32_e, rand128_e, normal_e;// end


  gettimeofday(&rand32_s, NULL);
  for (j = 0; j < num_threads; j++)
    tc_add_func(&clients[j], rand32_new, (void *) args[j]);
  
  for (j = 0; j < num_threads; j++) 
    tc_join(&clients[j]);

  gettimeofday(&rand32_e, NULL);
  timeval_subtract(&rand32_r, &rand32_e, &rand32_s);

  gettimeofday(&rand128_s, NULL);
  for (j = 0; j < num_threads; j++)
    tc_add_func(&clients[j], rand128_new, (void *) args[j]);
  
  for (j = 0; j < num_threads; j++) 
    tc_join(&clients[j]);

  gettimeofday(&rand128_e, NULL);
  timeval_subtract(&rand128_r, &rand128_e, &rand128_s);

  gettimeofday(&normal_s, NULL);
  for (j = 0; j < num_threads; j++)
    tc_add_func(&clients[j], normal_rand, (void *) args[j]);
  
  for (j = 0; j < num_threads; j++) 
    tc_join(&clients[j]);
  
  gettimeofday(&normal_e, NULL);
  timeval_subtract(&normal_r, &normal_e, &normal_s);

  printf("rand32:  ");
  PRINT_TIMEVAL(rand32_r);
  printf("\n");
  
  printf("rand128: ");
  PRINT_TIMEVAL(rand128_r);
  printf("\n");

  printf("normal:  ");
  PRINT_TIMEVAL(normal_r);
  printf("\n");

  for (i = 0; i < num_threads; i++) {
    tc_free(&clients[i]);
    free(args[i]);
  }

  free(args);
  free(clients);

  return 0;
}