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71 lines
1.5 KiB
C++
71 lines
1.5 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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// $Id: udf.cpp 2035 2013-01-21 14:12:19Z rdempsey $
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#ifndef _MSC_VER
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#include <dlfcn.h>
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#endif
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#include <string>
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#include <sstream>
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#include <iostream>
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using namespace std;
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#include "primproc.h"
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using namespace primitiveprocessor;
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namespace
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{
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const string UdfLibName("libcaludf.so");
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}
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namespace primitiveprocessor
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{
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void loadUDFs()
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{
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#ifndef _MSC_VER
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int flags = RTLD_NOW;
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void* libPtr = 0;
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UDFFcnPtr_t fcnPtr;
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libPtr = dlopen(UdfLibName.c_str(), flags);
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if (libPtr == 0)
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return;
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unsigned i = 1;
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for (;;)
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{
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ostringstream oss;
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oss << "cpfunc" << i;
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fcnPtr = (UDFFcnPtr_t)dlsym(libPtr, oss.str().c_str());
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if (fcnPtr == 0)
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break;
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UDFFcnMap[i] = fcnPtr;
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i++;
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}
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cout << "loaded " << UDFFcnMap.size() << " UDF's" << endl;
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#endif
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}
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}
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// vim:ts=4 sw=4:
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