Function poll_until

src/daemon/ipc.c:766–784

}

static int poll_until(int fd, short events, uint64_t deadline_ms) {
    for (;;) {
        struct pollfd descriptor = {.fd = fd, .events = events, .revents = 0};
        int timeout_ms = deadline_ms == UINT64_MAX ? -1 : deadline_remaining_ms(deadline_ms);
        int result = poll(&descriptor, 1, timeout_ms);
        if (result > 0) {
            if ((descriptor.revents & events) != 0) {
                return 1;
            }
            return -1;
        }
        if (result == 0) {
            return 0;
        }
        if (errno != EINTR) {
            return -1;
        }
    }
}

static bool socket_peer_is_current_user(int fd) {
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)