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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>
#ifndef XN_PLATFORM_LINUX_NO_GLIBC
#include <execinfo.h>
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XN_C_API XnStatus xnOSGetCurrentCallStack(XnInt32 nFramesToSkip, XnChar** astrFrames, XnUInt32 nMaxNameLength, XnInt32* pnFrames)
{
if (*pnFrames == 0 || nMaxNameLength == 0)
{
return XN_STATUS_OK;
}
void* aFrames[256];
int nTotalFrames = backtrace(aFrames, *pnFrames + nFramesToSkip);
if (nFramesToSkip >= nTotalFrames)
{
*pnFrames = 0;
return (XN_STATUS_OK);
}
// now resolve names
XnUInt32 nResolve = nTotalFrames - nFramesToSkip;
char** pstrFrames = backtrace_symbols(aFrames + nFramesToSkip, nResolve);
if (pstrFrames == NULL)
{
*pnFrames = 0;
return (XN_STATUS_OK);
}
for (XnUInt i = 0; i < nResolve; ++i)
{
strncpy(astrFrames[i], pstrFrames[i], nMaxNameLength);
}
free(pstrFrames);
*pnFrames = nResolve;
return XN_STATUS_OK;
}
#else
XN_C_API XnStatus xnOSGetCurrentCallStack(XnInt32 nFramesToSkip, XnChar** astrFrames, XnUInt32 nMaxNameLength, XnInt32* pnFrames)
{
*pnFrames = 0;
return (XN_STATUS_OK);
}
#endif
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