795969ab1f
When the PVM guest poweroff, the COLO thread may wait a semaphore in colo_process_checkpoint().So, we should wake up the COLO thread before migration shutdown. Signed-off-by: Lei Rao <lei.rao@intel.com> Reviewed-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/*
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* COarse-grain LOck-stepping Virtual Machines for Non-stop Service (COLO)
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* (a.k.a. Fault Tolerance or Continuous Replication)
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*
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* Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
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* Copyright (c) 2016 FUJITSU LIMITED
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* Copyright (c) 2016 Intel Corporation
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* later. See the COPYING file in the top-level directory.
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*/
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#ifndef QEMU_COLO_H
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#define QEMU_COLO_H
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#include "qapi/qapi-types-migration.h"
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enum colo_event {
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COLO_EVENT_NONE,
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COLO_EVENT_CHECKPOINT,
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COLO_EVENT_FAILOVER,
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};
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void migrate_start_colo_process(MigrationState *s);
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bool migration_in_colo_state(void);
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/* loadvm */
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int migration_incoming_enable_colo(void);
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void migration_incoming_disable_colo(void);
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bool migration_incoming_colo_enabled(void);
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void *colo_process_incoming_thread(void *opaque);
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bool migration_incoming_in_colo_state(void);
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COLOMode get_colo_mode(void);
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/* failover */
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void colo_do_failover(void);
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void colo_checkpoint_notify(void *opaque);
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void colo_shutdown(void);
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#endif
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