Leaked source code of windows server 2003
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//
// MODULE: APIwraps.CPP
//
// PURPOSE: Encapsulate common blocks of API functionality within a class.
//
// COMPANY: Saltmine Creative, Inc. (206)-284-7511 [email protected]
//
// AUTHOR: Randy Biley
//
// ORIGINAL DATE: 9-30-98
//
// NOTES:
//
// Version Date By Comments
//--------------------------------------------------------------------
// V3.0 09-30-98 RAB
//
#include "stdafx.h"
#include "apiwraps.h"
#include "event.h"
#include "baseexception.h"
APIwraps::APIwraps()
{
}
APIwraps::~APIwraps()
{
}
// Function used to handle the situation where we wish to detect sluggish or stalled objects
// and log this delay before going into an infinite wait.
/*static*/ bool APIwraps::WaitAndLogIfSlow(
HANDLE hndl, // Handle of object to be waited on.
LPCSTR srcFile, // Calling source file (__FILE__), used for logging.
// LPCSTR, not LPCTSTR, because __FILE__ is a char*, not a TCHAR*
int srcLine, // Calling source line (__LINE__), used for logging.
DWORD TimeOutVal /*=60000*/ // Time-out interval in millisecond. After
// this we log an error, then wait infinitely
)
{
bool bRetVal= false;
DWORD nWaitRetVal;
CBuildSrcFileLinenoStr SrcLoc( srcFile, srcLine );
nWaitRetVal= ::WaitForSingleObject( hndl, TimeOutVal );
if (nWaitRetVal == WAIT_FAILED)
{
// very bad news, should never happen
DWORD dwErr = ::GetLastError();
CString strErr;
strErr.Format(_T("%d"), dwErr);
CBuildSrcFileLinenoStr SrcLoc3(__FILE__, __LINE__);
CEvent::ReportWFEvent( SrcLoc.GetSrcFileLineStr(),
SrcLoc3.GetSrcFileLineStr(),
_T("Thread wait failed."),
strErr,
EV_GTS_ERROR_STUCK_THREAD );
}
else if (nWaitRetVal == WAIT_TIMEOUT)
{
// Initial wait timed out, note in log, and wait infinitely.
CBuildSrcFileLinenoStr SrcLoc1(__FILE__, __LINE__);
CEvent::ReportWFEvent( SrcLoc.GetSrcFileLineStr(),
SrcLoc1.GetSrcFileLineStr(),
_T("Thread wait exceeded initial timeout interval."),
_T(""),
EV_GTS_STUCK_THREAD );
nWaitRetVal= ::WaitForSingleObject( hndl, INFINITE );
// If successfully got what we were waiting for (after logging an apparent
// problem), log the fact that it's ultimately OK.
if (nWaitRetVal == WAIT_OBJECT_0)
{
CBuildSrcFileLinenoStr SrcLoc2(__FILE__, __LINE__);
CEvent::ReportWFEvent( SrcLoc.GetSrcFileLineStr(),
SrcLoc2.GetSrcFileLineStr(),
_T("Thread infinite wait succeeded."),
_T(""),
EV_GTS_STUCK_THREAD );
bRetVal= true;
}
}
else
{
// We don't really care whether it's WAIT_OBJECT_0 or WAIT_ABANDONED.
// Either way, we got what we were waiting for
bRetVal= true;
}
return( bRetVal );
}
//
// EOF.
//