* Yang Hongyang (yanghy@xxxxxxxxxxxxxx) wrote:
> is_slaver is to determine whether the QEMU instance is a
> slaver(migration target) at runtime.
> is_master is to determine whether the QEMU instance is a
> master(migration starter) at runtime.
> This 2 APIs will be used later.
Since the names are made global in patch 15, I think it's best to
do it here, but also use a more specific name for them, like
colo_is_master.
Dave
> Signed-off-by: Yang Hongyang <yanghy@xxxxxxxxxxxxxx>
> ---
> migration-colo.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/migration-colo.c b/migration-colo.c
> index 802f8b0..2699e77 100644
> --- a/migration-colo.c
> +++ b/migration-colo.c
> @@ -187,6 +187,12 @@ static const QEMUFileOps colo_read_ops = {
>
> /* save */
>
> +static __attribute__((unused)) bool is_master(void)
> +{
> + MigrationState *s = migrate_get_current();
> + return (s->state == MIG_STATE_COLO);
> +}
> +
> static void *colo_thread(void *opaque)
> {
> MigrationState *s = opaque;
> @@ -275,6 +281,11 @@ void colo_init_checkpointer(MigrationState *s)
>
> static Coroutine *colo;
>
> +static __attribute__((unused)) bool is_slave(void)
> +{
> + return colo != NULL;
> +}
> +
> /*
> * return:
> * 0: start a checkpoint
> --
> 1.9.1
>
--
Dr. David Alan Gilbert / dgilbert@xxxxxxxxxx / Manchester, UK
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