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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>
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XN_C_API XnStatus xnOSCreateCriticalSection(XN_CRITICAL_SECTION_HANDLE* pCriticalSectionHandle)
{
// Validate the input/output pointers (to make sure none of them is NULL)
XN_VALIDATE_INPUT_PTR(pCriticalSectionHandle);
// allocate critical section memory
XN_VALIDATE_ALLOC(*pCriticalSectionHandle, CRITICAL_SECTION);
// initialize the critical section object via OS
InitializeCriticalSection(*pCriticalSectionHandle);
// All is good...
return (XN_STATUS_OK);
}
XN_C_API XnStatus xnOSCloseCriticalSection(XN_CRITICAL_SECTION_HANDLE* pCriticalSectionHandle)
{
// Validate the input/output pointers (to make sure none of them is NULL)
XN_VALIDATE_INPUT_PTR(pCriticalSectionHandle);
// Make sure the actual critical section handle isn't NULL
XN_RET_IF_NULL(*pCriticalSectionHandle, XN_STATUS_OS_INVALID_CRITICAL_SECTION);
// Close the critical section via the OS
DeleteCriticalSection(*pCriticalSectionHandle);
// release allocated memory
XN_FREE_AND_NULL(*pCriticalSectionHandle);
// All is good...
return (XN_STATUS_OK);
}
XN_C_API XnStatus xnOSEnterCriticalSection(XN_CRITICAL_SECTION_HANDLE* pCriticalSectionHandle)
{
// Validate the input/output pointers (to make sure none of them is NULL)
XN_VALIDATE_INPUT_PTR(pCriticalSectionHandle);
// Make sure the actual critical section handle isn't NULL
XN_RET_IF_NULL(*pCriticalSectionHandle, XN_STATUS_OS_INVALID_CRITICAL_SECTION);
// Enter the critical section via the OS
EnterCriticalSection(*pCriticalSectionHandle);
// All is good...
return (XN_STATUS_OK);
}
XN_C_API XnStatus xnOSLeaveCriticalSection(XN_CRITICAL_SECTION_HANDLE* pCriticalSectionHandle)
{
// Validate the input/output pointers (to make sure none of them is NULL)
XN_VALIDATE_INPUT_PTR(pCriticalSectionHandle);
// Make sure the actual critical section handle isn't NULL
XN_RET_IF_NULL(*pCriticalSectionHandle, XN_STATUS_OS_INVALID_CRITICAL_SECTION);
// Leave the critical section via the OS
LeaveCriticalSection(*pCriticalSectionHandle);
// All is good...
return (XN_STATUS_OK);
}
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