On 2011-09-01 20:12, Luiz Capitulino wrote:
> Currently, only vm_start() and vm_stop() change the VM state.
> That's, the state is only changed when starting or stopping the VM.
>
> This commit adds the runstate_set() function, which makes it possible
> to also do state transitions when the VM is stopped or running.
>
> Additional states are also added and the current state is stored.
>
> Signed-off-by: Luiz Capitulino <lcapitul...@redhat.com>
> ---
> cpus.c | 1 +
> migration.c | 8 +++++++-
> sysemu.h | 10 +++++++++-
> vl.c | 20 ++++++++++++++++++++
> 4 files changed, 37 insertions(+), 2 deletions(-)
>
...
> diff --git a/vl.c b/vl.c
> index f0b56a4..59f71fc 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -321,6 +321,22 @@ static int default_driver_check(QemuOpts *opts, void
> *opaque)
> }
>
> /***********************************************************/
> +/* QEMU state */
> +
> +static RunState current_run_state = RSTATE_NO_STATE;
> +
> +bool runstate_check(RunState state)
> +{
> + return current_run_state == state;
> +}
> +
> +void runstate_set(RunState state)
> +{
> + assert(state < RSTATE_MAX);
> + current_run_state = state;
I still think this should check for valid state transitions instead of
blindly accepting what the caller passes in.
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
