On Wed, Mar 13, 2013 at 06:10:31PM +0800, li...@linux.vnet.ibm.com wrote:
> From: Lei Li <li...@linux.vnet.ibm.com>
>
> Signed-off-by: Lei Li <li...@linux.vnet.ibm.com>
> ---
> qga/commands-win32.c | 34 ++++++++++++++++++++++++++++++++++
> 1 files changed, 34 insertions(+), 0 deletions(-)
>
> diff --git a/qga/commands-win32.c b/qga/commands-win32.c
> index 0a2bb34..a0c8d43 100644
> --- a/qga/commands-win32.c
> +++ b/qga/commands-win32.c
> @@ -140,6 +140,40 @@ int64_t qmp_guest_get_time(Error **errp)
> return time_ns;
> }
>
> +void qmp_guest_set_time(int64_t time_ns, Error **errp)
> +{
> + SYSTEMTIME ts;
> + FILETIME tf;
> + LONGLONG time;
> +
> + if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
> + error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
> + return;
> + }
> +
> + time = time_ns / 100 + W32_FT_OFFSET;
> +
> + tf.dwLowDateTime = (DWORD) time;
> + tf.dwHighDateTime = (DWORD) (time >> 32);
> +
> + if (!FileTimeToSystemTime(&tf, &ts)) {
> + error_setg(errp, "Failed to convert system time");
> + return;
> + }
> +
> + acquire_privilege(SE_SYSTEMTIME_NAME, errp);
> + if (error_is_set(errp)) {
> + error_setg(errp, "Failed to acquire privilege");
> + return;
> + }
> +
> + if (!SetSystemTime(&ts)) {
> + slog("guest-set-time failed: %d", GetLastError());
> + error_setg_errno(errp, errno, "Failed to set time to guest");
I think we want to pass back GetLastError(), SetSystemTime doesn't set errno
(and if it did something in the slog() callchain probably would've
clobbered it)
Looks good otherwise.
> + return;
> + }
> +}
> +
> int64_t qmp_guest_file_open(const char *path, bool has_mode, const char
> *mode, Error **err)
> {
> error_set(err, QERR_UNSUPPORTED);
> --
> 1.7.7.6
>
