Mercurial > octave
view liboctave/util/oct-mutex.h @ 22865:89756f2f085b
use c++11 style for deleting default copy constructor and assignment operator
* octave-gui.h, resource-manager.h, shortcut-manager.h,
base-text-renderer.h, c-file-ptr-stream.h, dynamic-ld.cc,
dynamic-ld.h, event-queue.h, ft-text-renderer.cc, gl-render.cc,
gl-render.h, graphics.cc, graphics.in.h, interpreter.h, mex.cc,
mxarray.in.h, oct-fstrm.h, oct-iostrm.h, oct-prcstrm.h, oct-procbuf.h,
oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.h,
octave-link.h, pager.h, profiler.h, sighandlers.cc, symtab.h,
text-renderer.h, zfstream.h, __init_fltk__.cc, ov-builtin.h,
ov-dld-fcn.h, ov-fcn.h, ov-mex-fcn.h, ov-typeinfo.h, ov-usr-fcn.h,
octave.h, lex.h, parse.h, pt-arg-list.h, pt-array-list.h, pt-assign.h,
pt-binop.h, pt-bp.h, pt-cbinop.h, pt-cell.h, pt-check.h,
pt-classdef.h, pt-cmd.h, pt-colon.h, pt-const.h, pt-decl.h, pt-eval.h,
pt-except.h, pt-exp.h, pt-fcn-handle.h, pt-funcall.h, pt-id.h,
pt-idx.h, pt-jump.h, pt-loop.h, pt-mat.h, pt-misc.h, pt-pr-code.h,
pt-select.h, pt-stmt.h, pt-unop.h, pt-walk.h, pt.h, token.h, Array.cc,
idx-vector.h, oct-fftw.h, sparse-chol.cc, sparse-qr.cc, file-ops.h,
mach-info.h, oct-env.h, action-container.h, cmd-edit.cc, cmd-edit.h,
cmd-hist.h, oct-locbuf.h, oct-mutex.h, oct-shlib.cc, oct-sort.h,
pathsearch.h, singleton-cleanup.h, unwind-prot.h, url-transfer.cc,
url-transfer.h:
Use C++11 style "= delete" declaration to declare copy constructors
and assignment operators for classes that should not be copied.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 05 Dec 2016 22:59:37 -0500 |
parents | 3a2b891d0b33 |
children | 87e3163f6c87 |
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/* Copyright (C) 2008-2016 Michael Goffioul 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 <http://www.gnu.org/licenses/>. */ #if ! defined (octave_oct_mutex_h) #define octave_oct_mutex_h 1 #include "octave-config.h" #include "oct-refcount.h" class octave_mutex; class octave_base_mutex { public: friend class octave_mutex; octave_base_mutex (void) : count (1) { } virtual ~octave_base_mutex (void) { } virtual void lock (void); virtual void unlock (void); virtual bool try_lock (void); private: octave_refcount<int> count; }; class OCTAVE_API octave_mutex { public: octave_mutex (void); octave_mutex (const octave_mutex& m) : rep (m.rep) { rep->count++; } ~octave_mutex (void) { if (--rep->count == 0) delete rep; } octave_mutex& operator = (const octave_mutex& m) { if (rep != m.rep) { if (--rep->count == 0) delete rep; rep = m.rep; rep->count++; } return *this; } void lock (void) { rep->lock (); } void unlock (void) { rep->unlock (); } bool try_lock (void) { return rep->try_lock (); } protected: octave_base_mutex *rep; }; class octave_autolock { public: octave_autolock (const octave_mutex& m, bool block = true) : mutex (m), lock_result (false) { if (block) { mutex.lock (); lock_result = true; } else lock_result = mutex.try_lock (); } ~octave_autolock (void) { if (lock_result) mutex.unlock (); } bool ok (void) const { return lock_result; } operator bool (void) const { return ok (); } private: // No copying. octave_autolock (const octave_autolock&) = delete; octave_autolock& operator = (const octave_autolock&) = delete; private: octave_mutex mutex; bool lock_result; }; class OCTAVE_API octave_thread { public: static void init (void); static bool is_octave_thread (void); }; #endif