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xlua.c
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xlua.c
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/*****************************************************************************\
* xlua.h - Lua integration common functions
*****************************************************************************
* Copyright (C) 2015 SchedMD LLC.
* Written by Tim Wickberg <tim@schedmd.com>
*
* This file is part of SLURM, a resource management program.
* For details, see <http://slurm.schedmd.com/>.
* Please also read the included file: DISCLAIMER.
*
* SLURM is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* In addition, as a special exception, the copyright holders give permission
* to link the code of portions of this program with the OpenSSL library under
* certain conditions as described in each individual source file, and
* distribute linked combinations including the two. You must obey the GNU
* General Public License in all respects for all of the code used other than
* OpenSSL. If you modify file(s) with this exception, you may extend this
* exception to your version of the file(s), but you are not obligated to do
* so. If you do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source files in
* the program, then also delete it here.
*
* SLURM 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along
* with SLURM; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
\*****************************************************************************/
#include "src/common/xlua.h"
/*
* Common function to dlopen() the appropriate Lua libraries, and
* ensure the lua version matches what we compiled against.
*/
int xlua_dlopen(void)
{
/*
* Need to dlopen() liblua.so with RTLD_GLOBAL in order to
* ensure symbols from liblua are available to libs opened
* by any lua scripts.
*/
if (!dlopen("liblua.so", RTLD_NOW | RTLD_GLOBAL) &&
!dlopen("liblua-5.2.so", RTLD_NOW | RTLD_GLOBAL) &&
!dlopen("liblua5.2.so", RTLD_NOW | RTLD_GLOBAL) &&
!dlopen("liblua5.2.so.0", RTLD_NOW | RTLD_GLOBAL) &&
!dlopen("liblua-5.1.so", RTLD_NOW | RTLD_GLOBAL) &&
!dlopen("liblua5.1.so", RTLD_NOW | RTLD_GLOBAL) &&
!dlopen("liblua5.1.so.0", RTLD_NOW | RTLD_GLOBAL)) {
return error("Failed to open liblua.so: %s", dlerror());
}
return SLURM_SUCCESS;
}