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/****************************************************************************
* *
* OpenNI 1.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* OpenNI is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* OpenNI is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with OpenNI. If not, see <http://www.gnu.org/licenses/>. *
* *
****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include <XnOS.h>
#include "LinuxPosixEvents.h"
#include "LinuxPosixNamedEvents.h"
#include "LinuxSysVNamedEvents.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)
{
XnStatus nRetVal = XN_STATUS_OK;
// 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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