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