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