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livetrax/libs/ardour/system_exec.cc
Robin Gareus 82d491cb80
Allow to unset LD_LIBRARY_PATH on exec
This is useful when using distro-packaged video-tools
(e.g. on Linux/ARM), or when running post-export commands.
2022-04-01 18:19:55 +02:00

80 lines
2.3 KiB
C++

/*
* Copyright (C) 2014-2015 Robin Gareus <robin@gareus.org>
* Copyright (C) 2014-2015 Tim Mayberry <mojofunk@gmail.com>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <glibmm/miscutils.h>
#include "pbd/error.h"
#include "pbd/file_utils.h"
#include "ardour/filesystem_paths.h"
#include "ardour/system_exec.h"
namespace ARDOUR {
bool SystemExec::_initialized = false;
Glib::Threads::Mutex SystemExec::_init_mutex;
std::string SystemExec::_vfork_exec;
void
SystemExec::initialize ()
{
if (_initialized) {
return;
}
#ifndef PLATFORM_WINDOWS
Glib::Threads::Mutex::Lock lk (_init_mutex);
if (_initialized) {
return;
}
PBD::Searchpath vfsp (
ARDOUR::ardour_dll_directory () //< deployed
+ G_SEARCHPATH_SEPARATOR_S + Glib::build_filename (ARDOUR::ardour_dll_directory (), "vfork") //< src-tree (ardev, etc)
);
if (!PBD::find_file (vfsp, "ardour-exec-wrapper", _vfork_exec)) {
PBD::fatal << "child process app 'ardour-exec-wrapper' was not found in search path:\n"
<< vfsp.to_string () << endmsg;
abort (); /*NOTREACHED*/
}
#endif
_initialized = true;
}
SystemExec::SystemExec (std::string cmd, char** argv, bool supress_ld_env)
: PBD::SystemExec (cmd, argv, supress_ld_env)
{
initialize ();
}
SystemExec::SystemExec (std::string cmd, std::string argv, bool supress_ld_env)
: PBD::SystemExec (cmd, argv, supress_ld_env)
{
initialize ();
}
SystemExec::SystemExec (std::string cmd, const std::map<char, std::string> subs, bool supress_ld_env)
: PBD::SystemExec (cmd, subs, supress_ld_env)
{
initialize ();
}
SystemExec::~SystemExec () {}
} // namespace ARDOUR