Ivan Ren <reny...@gmail.com> wrote:
> When we 'migrate_cancel' a multifd migration, live_migration thread may
> hung forever at some points, because of multifd_send_thread has already
> exit for socket error:
> 1. multifd_send_pages may hung at qemu_sem_wait(&multifd_send_state->
> channels_ready)
> 2. multifd_send_sync_main my hung at qemu_sem_wait(&multifd_send_state->
> sem_sync)
>
> Signed-off-by: Ivan Ren <ivan...@tencent.com>
> ---
> + if (ret != 0) {
> + if (flags & MULTIFD_FLAG_SYNC) {
> + qemu_sem_post(&multifd_send_state->sem_sync);
flags is also needed.
Sorry, Juan.
> + }
> + qemu_sem_post(&multifd_send_state->channels_ready);
> + }
> +
> qemu_mutex_lock(&p->mutex);
> p->running = false;
> qemu_mutex_unlock(&p->mutex);
