Mercurial > octave
view libinterp/octave-value/ov-dld-fcn.cc @ 33603:ea261407cb9f bytecode-interpreter tip
maint: Merge default to bytecode-interpreter
author | Arun Giridhar <arungiridhar@gmail.com> |
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date | Sat, 18 May 2024 17:42:42 -0400 |
parents | 2e484f9f1f18 |
children |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2024 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave 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 3 of the License, or // (at your option) any later version. // // Octave 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 Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include "file-ops.h" #include "oct-shlib.h" #include "defaults.h" #include "dynamic-ld.h" #include "error.h" #include "interpreter-private.h" #include "ovl.h" #include "ov-dld-fcn.h" #include "ov.h" DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_dld_function, "dynamically-linked function", "dynamically-linked function"); octave_dld_function::octave_dld_function (octave_builtin::fcn ff, const octave::dynamic_library& shl, const std::string& nm, const std::string& ds) : octave_builtin (ff, nm, ds), m_sh_lib (shl) { mark_fcn_file_up_to_date (time_parsed ()); std::string file_name = fcn_file_name (); static const std::string canonical_oct_file_dir = octave::sys::canonicalize_file_name (octave::config::oct_file_dir ()); static const std::string oct_file_dir = canonical_oct_file_dir.empty () ? octave::config::oct_file_dir () : canonical_oct_file_dir; m_system_fcn_file = (! file_name.empty () && oct_file_dir == file_name.substr (0, oct_file_dir.length ())); } octave_dld_function::octave_dld_function (octave_builtin::meth mm, const octave::dynamic_library& shl, const std::string& nm, const std::string& ds) : octave_builtin (mm, nm, ds), m_sh_lib (shl) { mark_fcn_file_up_to_date (time_parsed ()); std::string file_name = fcn_file_name (); static const std::string canonical_oct_file_dir = octave::sys::canonicalize_file_name (octave::config::oct_file_dir ()); static const std::string oct_file_dir = canonical_oct_file_dir.empty () ? octave::config::oct_file_dir () : canonical_oct_file_dir; m_system_fcn_file = (! file_name.empty () && oct_file_dir == file_name.substr (0, oct_file_dir.length ())); } octave_dld_function::~octave_dld_function () { octave::dynamic_loader& dyn_loader = octave::__get_dynamic_loader__ (); dyn_loader.remove_oct (m_name, m_sh_lib); } std::string octave_dld_function::fcn_file_name () const { return m_sh_lib.file_name (); } octave::sys::time octave_dld_function::time_parsed () const { return m_sh_lib.time_loaded (); } // Note: this wrapper around the octave_dld_function constructor is // necessary to work around a MSVC limitation handling in // virtual destructors that prevents unloading a dynamic module // before *all* objects (of class using a virtual dtor) have // been fully deleted; indeed, MSVC attaches auto-generated code // (scalar deleting destructor) to objects created in a dynamic // module, and this code will be executed in the dynamic module // context at object deletion; unloading the dynamic module // before objects have been deleted will make the "delete" code // of objects to point to an invalid code segment. octave_dld_function * octave_dld_function::create (octave_builtin::fcn ff, const octave::dynamic_library& shl, const std::string& nm, const std::string& ds) { return new octave_dld_function (ff, shl, nm, ds); } octave_dld_function * octave_dld_function::create (octave_builtin::meth mm, const octave::dynamic_library& shl, const std::string& nm, const std::string& ds) { return new octave_dld_function (mm, shl, nm, ds); }