Beispiel #1
0
int main_loop_wait(int nonblocking)
{
    int ret;
    uint32_t timeout = UINT32_MAX;

    if (nonblocking) {
        timeout = 0;
    }

    /* poll any events */
    /* XXX: separate device handlers from system ones */
    nfds = -1;
    FD_ZERO(&rfds);
    FD_ZERO(&wfds);
    FD_ZERO(&xfds);

#ifdef CONFIG_SLIRP
    slirp_update_timeout(&timeout);
    slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
#endif
    qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
    ret = os_host_main_loop_wait(timeout);
    qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
#ifdef CONFIG_SLIRP
    slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
#endif

    qemu_run_all_timers();

    return ret;
}
void main_loop_wait(int timeout)
{
    fd_set rfds, wfds, xfds;
    int ret, nfds;
    struct timeval tv;

    qemu_bh_update_timeout(&timeout);

    os_host_main_loop_wait(&timeout);

    tv.tv_sec = timeout / 1000;
    tv.tv_usec = (timeout % 1000) * 1000;

    /* poll any events */

    /* XXX: separate device handlers from system ones */
    nfds = -1;
    FD_ZERO(&rfds);
    FD_ZERO(&wfds);
    FD_ZERO(&xfds);
    qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
    if (slirp_is_inited()) {
        slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
    }

    qemu_mutex_unlock_iothread();
    ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
    qemu_mutex_lock_iothread();
    qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
    if (slirp_is_inited()) {
        if (ret < 0) {
            FD_ZERO(&rfds);
            FD_ZERO(&wfds);
            FD_ZERO(&xfds);
        }
        slirp_select_poll(&rfds, &wfds, &xfds);
    }
    charpipe_poll();

    qemu_clock_run_all_timers();

    qemu_run_alarm_timer();

    /* Check bottom-halves last in case any of the earlier events triggered
       them.  */
    qemu_bh_poll();

}
Beispiel #3
0
int main_loop_wait(int nonblocking)
{
    int ret;
    uint32_t timeout = UINT32_MAX;
    int64_t timeout_ns;

    if (nonblocking) {
        timeout = 0;
    }

    /* poll any events */
    g_array_set_size(gpollfds, 0); /* reset for new iteration */
    /* XXX: separate device handlers from system ones */
#ifdef CONFIG_SLIRP
    slirp_update_timeout(&timeout);
    slirp_pollfds_fill(gpollfds);
#endif
    qemu_iohandler_fill(gpollfds);

    if (timeout == UINT32_MAX) {
        timeout_ns = -1;
    } else {
        timeout_ns = (uint64_t)timeout * (int64_t)(SCALE_MS);
    }

    timeout_ns = qemu_soonest_timeout(timeout_ns,
                                      timerlistgroup_deadline_ns(
                                          &main_loop_tlg));

    ret = os_host_main_loop_wait(timeout_ns);
    qemu_iohandler_poll(gpollfds, ret);
#ifdef CONFIG_SLIRP
    slirp_pollfds_poll(gpollfds, (ret < 0));
#endif

    qemu_clock_run_all_timers();

    return ret;
}