IWMSServerTotalCounters::get_LateReads
The get_LateReads method retrieves the total number of read operations that took longer than 400 milliseconds.
HRESULT get_LateReads(
long* pVal
);
Arguments
pVal |
[out] Pointer to a long containing the number of late read operations. |
Return Value
If the function succeeds, it returns S_OK. If it fails, it returns an HRESULT error code.
Return code |
Number |
Description |
---|---|---|
E_POINTER |
0x80004003 |
Indicates that pVal is a NULL pointer argument. |
Example
#include <windows.h>
#include "wmsserver.h"
// Declare variables and interfaces.
IWMSServer *pServer;
IWMSServerTotalCounters *pTotalCounters;
HRESULT hr;
long lValue;
// Initialize the COM library and retrieve a pointer
// to an IWMSServer interface.
hr = CoInitialize(NULL);
hr = CoCreateInstance(CLSID_WMSServer,
NULL,
CLSCTX_ALL,
IID_IWMSServer,
(void **)&pServer);
if (FAILED(hr)) goto EXIT;
// Retrieve a pointer to a list of total statistics
// for the server.
hr = pServer->get_TotalCounters(&pTotalCounters);
if (FAILED(hr)) goto EXIT;
// Retrieve the total number of late reads since
// the start time.
hr = pTotalCounters->get_LateReads(&lValue);
if (FAILED(hr)) goto EXIT;
EXIT:
// TODO: Release temporary COM objects and uninitialize COM.
Requirements
Header: wmsserver.h.
Library: WMSServerTypeLib.dll.
Platform: Windows Server 2003 family, Windows Server 2008 family.