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[TIMEDATE] Pervent running multiple NTP updates at once

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- Run the NTP uptate from a separate thread
- Do not accept another update until the current one has finished

CORE-16835
This commit is contained in:
Eric Kohl 2020-04-12 13:11:33 +02:00
parent 7772f97241
commit 4735cc2ab5
1 changed files with 37 additions and 9 deletions
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46
dll/cpl/timedate/internettime.c
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@ -304,6 +304,7 @@ OnInitDialog(HWND hwnd)
EnableDialogText(hwnd);
CreateNTPServerList(hwnd);
SyncNTPStatusInit(hwnd);
SetWindowLongPtr(hwnd, DWLP_USER, (LONG_PTR)FALSE);
}
static VOID
@ -341,6 +342,40 @@ OnAutoSync(BOOL Sync)
RegCloseKey(hKey);
}
static DWORD
UpdateThread(
_In_ LPVOID lpParameter)
{
HWND hwndDlg;
DWORD dwError;
hwndDlg = (HWND)lpParameter;
SetNTPServer(hwndDlg, TRUE);
dwError = W32TimeSyncNow(L"localhost", 0, 0);
UpdateNTPStatus(hwndDlg, dwError);
SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)FALSE);
return 0;
}
static VOID
OnUpdate(
HWND hwndDlg)
{
if ((BOOL)GetWindowLongPtr(hwndDlg, DWLP_USER) == FALSE)
{
SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)TRUE);
if (CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)UpdateThread, (PVOID)hwndDlg, 0, NULL) == NULL)
{
UpdateNTPStatus(hwndDlg, GetLastError());
SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)FALSE);
}
}
}
/* Property page dialog callback */
INT_PTR CALLBACK
InetTimePageProc(HWND hwndDlg,
@ -358,15 +393,8 @@ InetTimePageProc(HWND hwndDlg,
switch(LOWORD(wParam))
{
case IDC_UPDATEBUTTON:
{
DWORD dwError;
SetNTPServer(hwndDlg, TRUE);
dwError = W32TimeSyncNow(L"localhost", 0, 0);
UpdateNTPStatus(hwndDlg, dwError);
}
break;
OnUpdate(hwndDlg);
break;
case IDC_SERVERLIST:
if ((HIWORD(wParam) == CBN_SELCHANGE) || (HIWORD(wParam) == CBN_EDITCHANGE))