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/*****************************************************************************
* *
* PrimeSense PSCommon Library *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of PSCommon. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include <XnOS.h>
#include "XnLinuxPosixEvents.h"
#include "XnLinuxPosixNamedEvents.h"
#include "XnLinuxSysVNamedEvents.h"
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XN_C_API XnStatus xnOSCreateEvent(XN_EVENT_HANDLE* pEventHandle, XnBool bManualReset)
{
// Local function variables
XnStatus nRetVal = XN_STATUS_OK;
// Validate the input/output pointers (to make sure none of them is NULL)
XN_VALIDATE_INPUT_PTR(pEventHandle);
*pEventHandle = NULL;
XnLinuxEvent* pEvent = NULL;
XN_VALIDATE_NEW(pEvent, XnLinuxPosixEvent, bManualReset);
nRetVal = pEvent->Init();
if (nRetVal != XN_STATUS_OK)
{
XN_DELETE(pEvent);
return (nRetVal);
}
*pEventHandle = pEvent;
// All is good...
return (XN_STATUS_OK);
}
XnStatus CreateNamedEventObject(XN_EVENT_HANDLE* pEventHandle, const XnChar* cpEventName, XnBool bCreate, XnBool bManualReset)
{
XnStatus nRetVal = XN_STATUS_OK;
// Validate the input/output pointers (to make sure none of them is NULL)
XN_VALIDATE_INPUT_PTR(cpEventName);
XN_VALIDATE_OUTPUT_PTR(pEventHandle);
*pEventHandle = NULL;
XnLinuxNamedEvent* pEvent = NULL;
#ifdef XN_PLATFORM_LINUX_NO_SYSV
XN_VALIDATE_NEW(pEvent, XnLinuxPosixNamedEvent, bManualReset, cpEventName, bCreate);
#else
XN_VALIDATE_NEW(pEvent, XnLinuxSysVNamedEvent, bManualReset, cpEventName, bCreate);
#endif
nRetVal = pEvent->Init();
if (nRetVal != XN_STATUS_OK)
{
XN_DELETE(pEvent);
return (nRetVal);
}
*pEventHandle = pEvent;
return XN_STATUS_OK;
}
XN_C_API XnStatus XN_C_DECL xnOSCreateNamedEvent(XN_EVENT_HANDLE* pEventHandle, const XnChar* cpEventName, XnBool bManualReset)
{
return xnOSCreateNamedEventEx(pEventHandle, cpEventName, bManualReset, FALSE);
}
XN_C_API XnStatus XN_C_DECL xnOSCreateNamedEventEx(XN_EVENT_HANDLE* pEventHandle, const XnChar* cpEventName, XnBool bManualReset, XnBool bAllowOtherUsers)
{
return CreateNamedEventObject(pEventHandle, cpEventName, TRUE, bManualReset);
}
XN_C_API XnStatus XN_C_DECL xnOSOpenNamedEvent(XN_EVENT_HANDLE* pEventHandle, const XnChar* cpEventName)
{
return xnOSOpenNamedEventEx(pEventHandle, cpEventName, FALSE);
}
XN_C_API XnStatus XN_C_DECL xnOSOpenNamedEventEx(XN_EVENT_HANDLE* pEventHandle, const XnChar* cpEventName, XnBool bAllowOtherUsers)
{
return CreateNamedEventObject(pEventHandle, cpEventName, FALSE, FALSE);
}
XN_C_API XnStatus xnOSCloseEvent(XN_EVENT_HANDLE* pEventHandle)
{
XnStatus nRetVal = XN_STATUS_OK;
// Validate the input/output pointers (to make sure none of them is NULL)
XN_VALIDATE_INPUT_PTR(pEventHandle);
// Make sure the actual event handle isn't NULL
XN_RET_IF_NULL(*pEventHandle, XN_STATUS_OS_INVALID_EVENT);
XnLinuxEvent* pEvent = (XnLinuxEvent*)*pEventHandle;
nRetVal = pEvent->Destroy();
XN_IS_STATUS_OK(nRetVal);
XN_DELETE(pEvent);
*pEventHandle = NULL;
return (XN_STATUS_OK);
}
XN_C_API XnStatus xnOSSetEvent(const XN_EVENT_HANDLE EventHandle)
{
// Make sure the actual event handle isn't NULL
XN_RET_IF_NULL(EventHandle, XN_STATUS_OS_INVALID_EVENT);
XnLinuxEvent* pEvent = (XnLinuxEvent*)EventHandle;
return pEvent->Set();
}
XN_C_API XnStatus xnOSResetEvent(const XN_EVENT_HANDLE EventHandle)
{
// Make sure the actual event handle isn't NULL
XN_RET_IF_NULL(EventHandle, XN_STATUS_OS_INVALID_EVENT);
XnLinuxEvent* pEvent = (XnLinuxEvent*)EventHandle;
return pEvent->Reset();
}
XN_C_API XnBool xnOSIsEventSet(const XN_EVENT_HANDLE EventHandle)
{
return (xnOSWaitEvent(EventHandle, 0) == XN_STATUS_OK);
}
XN_C_API XnStatus xnOSWaitEvent(const XN_EVENT_HANDLE EventHandle, XnUInt32 nMilliseconds)
{
// Make sure the actual event handle isn't NULL
XN_RET_IF_NULL(EventHandle, XN_STATUS_OS_INVALID_EVENT);
XnLinuxEvent* pEvent = (XnLinuxEvent*)EventHandle;
return pEvent->Wait(nMilliseconds);
}
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