Mercurial > octave
view liboctave/util/oct-mutex.h @ 30920:47cbc69e66cd
eliminate direct access to call stack from evaluator
The call stack is an internal implementation detail of the evaluator.
Direct access to it outside of the evlauator should not be needed.
* pt-eval.h (tree_evaluator::get_call_stack): Delete.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 08 Apr 2022 15:19:22 -0400 |
parents | 796f54d4ddbf |
children | 918e09edc6ed |
line wrap: on
line source
//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2008-2022 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 (octave_oct_mutex_h) #define octave_oct_mutex_h 1 #include "octave-config.h" #include <memory> namespace octave { class mutex; class base_mutex { public: friend class mutex; base_mutex (void) = default; virtual ~base_mutex (void) = default; virtual void lock (void); virtual void unlock (void); virtual bool try_lock (void); }; class OCTAVE_API mutex { public: mutex (void); mutex (const mutex& m) = default; ~mutex (void) = default; mutex& operator = (const mutex& m) = default; void lock (void) { m_rep->lock (); } void unlock (void) { m_rep->unlock (); } bool try_lock (void) { return m_rep->try_lock (); } protected: std::shared_ptr<base_mutex> m_rep; }; class autolock { public: autolock (const mutex& m, bool block = true) : m_mutex (m), m_lock_result (false) { if (block) { m_mutex.lock (); m_lock_result = true; } else m_lock_result = m_mutex.try_lock (); } // No copying. autolock (const autolock&) = delete; autolock& operator = (const autolock&) = delete; ~autolock (void) { if (m_lock_result) m_mutex.unlock (); } bool ok (void) const { return m_lock_result; } operator bool (void) const { return ok (); } private: mutex m_mutex; bool m_lock_result; }; class OCTAVE_API thread { public: static void init (void); static bool is_thread (void); }; } #endif