diff options
| -rw-r--r-- | migration/ram.c | 52 |
1 files changed, 42 insertions, 10 deletions
diff --git a/migration/ram.c b/migration/ram.c index d5335c10b6..87434d3fce 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -437,6 +437,7 @@ struct MultiFDSendParams { uint8_t id; char *name; QemuThread thread; + QIOChannel *c; QemuSemaphore sem; QemuMutex mutex; bool running; @@ -491,6 +492,8 @@ int multifd_save_cleanup(Error **errp) if (p->running) { qemu_thread_join(&p->thread); } + socket_send_channel_destroy(p->c); + p->c = NULL; qemu_mutex_destroy(&p->mutex); qemu_sem_destroy(&p->sem); g_free(p->name); @@ -524,6 +527,27 @@ static void *multifd_send_thread(void *opaque) return NULL; } +static void multifd_new_send_channel_async(QIOTask *task, gpointer opaque) +{ + MultiFDSendParams *p = opaque; + QIOChannel *sioc = QIO_CHANNEL(qio_task_get_source(task)); + Error *local_err = NULL; + + if (qio_task_propagate_error(task, &local_err)) { + if (multifd_save_cleanup(&local_err) != 0) { + migrate_set_error(migrate_get_current(), local_err); + } + } else { + p->c = QIO_CHANNEL(sioc); + qio_channel_set_delay(p->c, false); + p->running = true; + qemu_thread_create(&p->thread, p->name, multifd_send_thread, p, + QEMU_THREAD_JOINABLE); + + atomic_inc(&multifd_send_state->count); + } +} + int multifd_save_setup(void) { int thread_count; @@ -544,11 +568,7 @@ int multifd_save_setup(void) p->quit = false; p->id = i; p->name = g_strdup_printf("multifdsend_%d", i); - p->running = true; - qemu_thread_create(&p->thread, p->name, multifd_send_thread, p, - QEMU_THREAD_JOINABLE); - - atomic_inc(&multifd_send_state->count); + socket_send_channel_create(multifd_new_send_channel_async, p); } return 0; } @@ -557,6 +577,7 @@ struct MultiFDRecvParams { uint8_t id; char *name; QemuThread thread; + QIOChannel *c; QemuSemaphore sem; QemuMutex mutex; bool running; @@ -609,6 +630,8 @@ int multifd_load_cleanup(Error **errp) if (p->running) { qemu_thread_join(&p->thread); } + object_unref(OBJECT(p->c)); + p->c = NULL; qemu_mutex_destroy(&p->mutex); qemu_sem_destroy(&p->sem); g_free(p->name); @@ -663,10 +686,6 @@ int multifd_load_setup(void) p->quit = false; p->id = i; p->name = g_strdup_printf("multifdrecv_%d", i); - p->running = true; - qemu_thread_create(&p->thread, p->name, multifd_recv_thread, p, - QEMU_THREAD_JOINABLE); - atomic_inc(&multifd_recv_state->count); } return 0; } @@ -684,7 +703,20 @@ bool multifd_recv_all_channels_created(void) void multifd_recv_new_channel(QIOChannel *ioc) { - /* nothing to do yet */ + MultiFDRecvParams *p; + /* we need to invent channels id's until we transmit */ + /* we will remove this on a later patch */ + static int i; + + p = &multifd_recv_state->params[i]; + i++; + p->c = ioc; + object_ref(OBJECT(ioc)); + + p->running = true; + qemu_thread_create(&p->thread, p->name, multifd_recv_thread, p, + QEMU_THREAD_JOINABLE); + atomic_inc(&multifd_recv_state->count); } /** |