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120 lines
2.5 KiB
120 lines
2.5 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1998 - 1999
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//
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// File: eventwrp.cxx
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//
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//--------------------------------------------------------------------------
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/* --------------------------------------------------------------------
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Microsoft OS/2 LAN Manager
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Copyright(c) Microsoft Corp., 1990
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-------------------------------------------------------------------- */
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/* --------------------------------------------------------------------
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File: mutex.cxx
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Description:
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This file contains the system independent mutex class for NT.
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History:
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mikemon ??-??-?? The beginning.
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mikemon 12-31-90 Upgraded the comments.
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-------------------------------------------------------------------- */
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#include <precomp.hxx>
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EVENT::EVENT (
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IN OUT RPC_STATUS PAPI * RpcStatus,
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IN int ManualReset,
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IN BOOL fDelayInit
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)
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{
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EventHandle = NULL;
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// DelayInit events are auto reset
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ASSERT(ManualReset == FALSE || fDelayInit == FALSE);
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if (!fDelayInit && *RpcStatus == RPC_S_OK )
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{
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EventHandle = CreateEvent(NULL, ManualReset, 0, NULL);
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if ( EventHandle != NULL )
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{
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LogEvent(SU_EVENT, EV_CREATE, EventHandle, 0, 0, 1, 2);
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*RpcStatus = RPC_S_OK;
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}
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else
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{
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*RpcStatus = RPC_S_OUT_OF_MEMORY;
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}
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}
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}
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EVENT::~EVENT (
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)
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{
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if ( EventHandle )
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{
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LogEvent(SU_EVENT, EV_DELETE, EventHandle, 0, 0, 1, 2);
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BOOL bResult;
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bResult = CloseHandle(EventHandle);
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ASSERT(bResult != 0);
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}
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}
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int
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EVENT::Wait (
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long timeout
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)
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{
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DWORD result;
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if (NULL == EventHandle)
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{
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InitializeEvent();
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}
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result = WaitForSingleObject(EventHandle, timeout);
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if (result == WAIT_TIMEOUT)
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return(1);
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return(0);
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}
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void
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EVENT::InitializeEvent (
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)
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// Used when fDelayInit is TRUE in the c'tor.
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{
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if (EventHandle)
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{
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return;
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}
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HANDLE event = CreateEvent(0, FALSE, FALSE, 0);
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if (event)
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{
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if (InterlockedCompareExchangePointer(&EventHandle, event, 0) != 0)
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{
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CloseHandle(event);
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}
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return;
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}
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// Can't allocate an event.
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RpcRaiseException(RPC_S_OUT_OF_RESOURCES);
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}
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