On 03/14/2013 04:25 AM, mdroth wrote:
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)
OK.
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
--
Lei