C++ (Cpp) multipoll_with_epoll_pollset_add_fd примеры использования

Пример #1

Файл: pollset_multipoller_with_epoll.c Проект: kinsonyang/grpc

static void epoll_become_multipoller(grpc_pollset *pollset, grpc_fd **fds,
                                     size_t nfds) {
  size_t i;
  pollset_hdr *h = gpr_malloc(sizeof(pollset_hdr));
  struct epoll_event ev;
  int err;

  pollset->vtable = &multipoll_with_epoll_pollset;
  pollset->data.ptr = h;
  h->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
  if (h->epoll_fd < 0) {
    /* TODO(klempner): Fall back to poll here, especially on ENOSYS */
    gpr_log(GPR_ERROR, "epoll_create1 failed: %s", strerror(errno));
    abort();
  }
  for (i = 0; i < nfds; i++) {
    multipoll_with_epoll_pollset_add_fd(pollset, fds[i]);
  }

  grpc_wakeup_fd_create(&h->wakeup_fd);
  ev.events = EPOLLIN;
  ev.data.ptr = 0;
  err = epoll_ctl(h->epoll_fd, EPOLL_CTL_ADD,
                  GRPC_WAKEUP_FD_GET_READ_FD(&h->wakeup_fd), &ev);
  if (err < 0) {
    gpr_log(GPR_ERROR, "Wakeup fd epoll_ctl failed: %s", strerror(errno));
    abort();
  }
}

Пример #2

Файл: pollset_multipoller_with_epoll.c Проект: JoeWoo/grpc

static void epoll_become_multipoller(grpc_pollset *pollset, grpc_fd **fds,
                                     size_t nfds) {
  size_t i;
  pollset_hdr *h = gpr_malloc(sizeof(pollset_hdr));

  pollset->vtable = &multipoll_with_epoll_pollset;
  pollset->data.ptr = h;
  h->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
  if (h->epoll_fd < 0) {
    /* TODO(klempner): Fall back to poll here, especially on ENOSYS */
    gpr_log(GPR_ERROR, "epoll_create1 failed: %s", strerror(errno));
    abort();
  }
  for (i = 0; i < nfds; i++) {
    multipoll_with_epoll_pollset_add_fd(pollset, fds[i], 0);
  }
}