Issue 2134: removed obsolete raw highlight preservation setting from GUI (still left in procparams for backwards compatilibility)
This commit is contained in:
619
rtgui/threadutils.h
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619
rtgui/threadutils.h
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@@ -0,0 +1,619 @@
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/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _THREADUTILS_
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#define _THREADUTILS_
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#include <glibmm.h>
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#include <csignal> // for raise()
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#include <iostream>
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#ifdef WIN32
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#include <windows.h>
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#endif
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#ifdef NDEBUG
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// We don't trace mutex
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#undef TRACE_MYRWMUTEX
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#define TRACE_MYRWMUTEX 0
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#endif
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// Uncomment this if you want to bypass the CMakeList options and force the values
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// Of course, DO NOT COMMIT!
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//#undef PROTECT_VECTORS
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//#define PROTECT_VECTORS 1
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//#undef TRACE_MYRWMUTEX
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//#define TRACE_MYRWMUTEX 1
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//#undef STRICT_MUTEX
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//#define STRICT_MUTEX 1
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/**
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* @brief Custom Mutex to replace Glib::Threads::Mutex, which behave differently on windows (recursive) and linux (non-recursive), by a recursive and "debugable" one
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*
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* This implementation will behave like a Glib::Threads::RecMutex (STRICT_MUTEX=0) or a Glib::Threads::Mutex (STRICT_MUTEX=1), but in this case, the application will
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* crash instead of freezing.
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*
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* In Debug builds, a printf will let you know that the MyMutex was already locked
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*
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* The default and recommended mode is STRICT_MUTEX=1
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*/
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#ifdef WIN32
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class MyMutex : public Glib::RecMutex {
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#else
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class MyMutex : public Glib::Threads::RecMutex {
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#endif
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#if STRICT_MUTEX || !defined(NDEBUG)
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private:
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bool alreadyLocked;
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#endif
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public:
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class MyLock;
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#if STRICT_MUTEX || !defined(NDEBUG)
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MyMutex() : alreadyLocked(false) {}
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#else
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MyMutex() {}
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#endif
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void lock() {
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#ifdef WIN32
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Glib::RecMutex::lock();
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#else
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Glib::Threads::RecMutex::lock();
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#endif
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#if STRICT_MUTEX || !defined(NDEBUG)
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if (alreadyLocked) {
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#ifndef NDEBUG
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std::cout << "Warning: MyMutex already locked!" << std::endl; // breakpoint
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#endif
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#if STRICT_MUTEX
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#ifndef NDEBUG
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#ifdef WIN32
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DebugBreak();
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#else
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raise(SIGTRAP);
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#endif
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#else
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raise(SIGINT);
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#endif
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#endif
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}
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alreadyLocked = true;
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#endif
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}
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bool trylock() {
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#ifdef WIN32
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if (Glib::RecMutex::trylock())
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#else
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if (Glib::Threads::RecMutex::trylock())
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#endif
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{
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#if STRICT_MUTEX || !defined(NDEBUG)
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if (alreadyLocked) {
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#ifndef NDEBUG
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std::cout << "Warning: MyMutex already locked!" << std::endl; // breakpoint
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#endif
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#if STRICT_MUTEX
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#ifndef NDEBUG
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#ifdef WIN32
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DebugBreak();
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#else
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raise(SIGTRAP);
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#endif
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#else
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raise(SIGINT);
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#endif
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#endif
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}
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alreadyLocked = true;
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#endif
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return true;
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}
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return false;
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}
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// Warning: the base class of MyMutex is RecMutex, but the mutex is said "unlocked" on first occurrence of "unlock", to avoid overhead.
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void unlock() {
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#if STRICT_MUTEX || !defined(NDEBUG)
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alreadyLocked = false;
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#endif
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#ifdef WIN32
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Glib::RecMutex::unlock();
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#else
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Glib::Threads::RecMutex::unlock();
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#endif
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}
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};
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// Class copied from the Glibmm source code, to provide a workaround of the behavior's difference between Linux and Windows
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class MyMutex::MyLock {
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public:
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explicit inline MyLock(MyMutex& mutex) : mutex_ (mutex), locked_ (true) { mutex_.lock(); }
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#ifdef WIN32
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inline MyLock(MyMutex& mutex, Glib::NotLock) : mutex_ (mutex), locked_ (false) {}
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inline MyLock(MyMutex& mutex, Glib::TryLock) : mutex_ (mutex), locked_ (mutex.trylock()) {}
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#else
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inline MyLock(MyMutex& mutex, Glib::Threads::NotLock) : mutex_ (mutex), locked_ (false) {}
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inline MyLock(MyMutex& mutex, Glib::Threads::TryLock) : mutex_ (mutex), locked_ (mutex.trylock()) {}
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#endif
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inline ~MyLock() { if(locked_) mutex_.unlock(); }
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inline void acquire() { mutex_.lock(); locked_ = true; }
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inline bool try_acquire() { locked_ = mutex_.trylock(); return locked_; }
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inline void release() { mutex_.unlock(); locked_ = false; }
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inline bool locked() const { return locked_; }
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private:
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MyMutex& mutex_;
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bool locked_;
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// noncopyable
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MyLock(const MyMutex::Lock&);
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MyMutex::Lock& operator=(const MyMutex::Lock&);
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};
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/**
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* @brief Custom RWLock with debugging feature, to replace the buggy Glib::RWLock (can have negative reader_count value!)
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*
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* It may be slower, but thread safe!
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*/
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class MyRWMutex {
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public:
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#ifdef WIN32
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Glib::Mutex handlerMutex; // Having a recursive or non-recursive mutex is not important here, so we can use Glib::Mutex
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Glib::Cond access;
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#else
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Glib::Threads::Mutex handlerMutex; // Having a recursive or non-recursive mutex is not important here, so we can use Glib::Threads::Mutex
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Glib::Threads::Cond access;
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#endif
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size_t writerCount;
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size_t readerCount;
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#if TRACE_MYRWMUTEX
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Glib::ustring lastWriterFile;
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int lastWriterLine;
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// Unfortunately, ownerThread may not be the culprit of a deadlock, it can be another concurrent Reader...
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void* ownerThread;
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MyRWMutex() : writerCount(0), readerCount(0), lastWriterLine(0), ownerThread(NULL) {}
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#else
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MyRWMutex() : writerCount(0), readerCount(0) {}
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#endif
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};
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/**
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* @brief Custom ReaderLock with debugging feature, to replace the buggy Glib::RWLock (can have negative reader_count value!)
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*
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*/
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class MyReaderLock {
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MyRWMutex& rwMutex;
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bool locked;
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#if TRACE_MYRWMUTEX
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static unsigned int readerLockCounter;
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int locknumber;
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public:
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inline MyReaderLock(MyRWMutex& mutex, const char* name, const char* file, const int line) : rwMutex(mutex), locked(false), locknumber(0)
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#else
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public:
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inline MyReaderLock(MyRWMutex& mutex) : rwMutex(mutex)
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#endif
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{
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// to operate safely
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rwMutex.handlerMutex.lock();
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#if TRACE_MYRWMUTEX
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locknumber = readerLockCounter++;
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void* thread = Glib::Thread::self();
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std::cout << thread << "/" << locknumber << ":" << name << " / " << file << " : " << line << " - locking - R";
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#endif
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if (!rwMutex.writerCount) {
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// There's no writer operating, we can increment the writer count which will lock writers
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++rwMutex.writerCount;
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#if TRACE_MYRWMUTEX
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std::cout << " ++ new owner";
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#endif
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}
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else {
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// The writer count is non null, but we can be the owner of the writer lock
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// It will be the case if the reader count is non null too.
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if (!rwMutex.readerCount) {
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// the mutex is in real write mode, we're waiting to see it null
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#if TRACE_MYRWMUTEX
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std::cout << " waiting..." << std::endl << "Current writer owner: " << rwMutex.lastWriterFile << " : " << rwMutex.lastWriterLine << std::endl;
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#endif
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while (rwMutex.writerCount)
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rwMutex.access.wait(rwMutex.handlerMutex);
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++rwMutex.writerCount;
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#if TRACE_MYRWMUTEX
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rwMutex.lastWriterFile = file;
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rwMutex.lastWriterLine = line;
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rwMutex.ownerThread = thread;
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std::cout << thread << "/" << locknumber << ":" << name << " / " << file << " : " << line << " - locking - R ++ new owner";
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#endif
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}
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}
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// then we can increment the reader count
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++rwMutex.readerCount;
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#if TRACE_MYRWMUTEX
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std::cout << " - ReaderCount: " << rwMutex.readerCount << " - WriterCount: " << rwMutex.writerCount << std::endl;
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#endif
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rwMutex.handlerMutex.unlock();
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locked = true;
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}
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#if TRACE_MYRWMUTEX
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// locks the MyRWMutex with Read access if this MyReaderLock has not already locked it, otherwise return safely
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inline void acquire(const char* file, const int line)
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#else
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// locks the MyRWMutex with Read access if this MyReaderLock has not already locked it, otherwise return safely
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inline void acquire()
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#endif
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{
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#if TRACE_MYRWMUTEX
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void* thread = Glib::Thread::self();
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#endif
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if (!locked) {
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// to operate safely
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rwMutex.handlerMutex.lock();
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#if TRACE_MYRWMUTEX
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std::cout << thread << "/" << locknumber << ":" << file << " : " << line << " - locking - R (lock)";
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#endif
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if (!rwMutex.writerCount) {
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// There's no writer operating, we can increment the writer count which will lock writers
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++rwMutex.writerCount;
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#if TRACE_MYRWMUTEX
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std::cout << " ++ new owner";
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#endif
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}
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else {
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// The writer count is non null, but a reader can be the owner of the writer lock,
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// it will be the case if the reader count is non null too.
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if (!rwMutex.readerCount) {
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// the mutex is in real write mode, we're waiting to see it null
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#if TRACE_MYRWMUTEX
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std::cout << " waiting..." << std::endl << "Current writer owner: " << rwMutex.lastWriterFile << " : " << rwMutex.lastWriterLine << std::endl;
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#endif
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while (rwMutex.writerCount)
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rwMutex.access.wait(rwMutex.handlerMutex);
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++rwMutex.writerCount;
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#if TRACE_MYRWMUTEX
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rwMutex.lastWriterFile = file;
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rwMutex.lastWriterLine = line;
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rwMutex.ownerThread = thread;
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std::cout << thread << "/" << locknumber << ":" << file << " : " << line << " - locking - R (lock) ++ new owner";
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#endif
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}
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}
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// then we can increment the reader count
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++rwMutex.readerCount;
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#if TRACE_MYRWMUTEX
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std::cout << " - ReaderCount: " << rwMutex.readerCount << " - WriterCount: " << rwMutex.writerCount << std::endl;
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#endif
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rwMutex.handlerMutex.unlock();
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locked = true;
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}
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#if TRACE_MYRWMUTEX
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else std::cout << thread << "/" << locknumber << " / already locked by this object - R (lock)" << std::endl;
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#endif
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}
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inline ~MyReaderLock() {
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#if TRACE_MYRWMUTEX
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void* thread = Glib::Thread::self();
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#endif
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if (locked) {
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// to operate safely
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rwMutex.handlerMutex.lock();
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// decrement the writer number first
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--rwMutex.readerCount;
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#if TRACE_MYRWMUTEX
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std::cout << thread << "/" << locknumber << " / unlocking - R - ReaderCount: " << rwMutex.readerCount;
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#endif
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if (!rwMutex.readerCount) {
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// no more reader, so we decrement the writer count
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--rwMutex.writerCount;
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#if TRACE_MYRWMUTEX
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rwMutex.lastWriterFile = "";
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rwMutex.lastWriterLine = 0;
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rwMutex.ownerThread = NULL;
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std::cout << " -- new owner possible!" << " >>> ReaderCount: " << rwMutex.readerCount << " - WriterCount: " << rwMutex.writerCount;
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#endif
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// and signal the next waiting reader/writer that it's free
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rwMutex.access.broadcast();
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}
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#if TRACE_MYRWMUTEX
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std::cout << std::endl;
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#endif
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rwMutex.handlerMutex.unlock();
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}
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#if TRACE_MYRWMUTEX
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else std::cout << thread << "/" << locknumber << " / already unlocked by this object - R" << std::endl;
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#endif
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}
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#if TRACE_MYRWMUTEX
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// releases the MyRWMutex with Write access if this MyWriterLock has already locked it, otherwise return safely
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inline void release(const char* file, const int line)
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#else
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// releases the MyRWMutex with Write access if this MyWriterLock has already locked it, otherwise return safely
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inline void release()
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#endif
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{
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#if TRACE_MYRWMUTEX
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void* thread = Glib::Thread::self();
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#endif
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if (locked) {
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// to operate safely
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rwMutex.handlerMutex.lock();
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// decrement the writer number first
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--rwMutex.readerCount;
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#if TRACE_MYRWMUTEX
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std::cout << thread << "/" << locknumber << " / unlocking - R (release) - ReaderCount: " << rwMutex.readerCount;
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#endif
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if (!rwMutex.readerCount) {
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// no more reader, so we decrement the writer count
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--rwMutex.writerCount;
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#if TRACE_MYRWMUTEX
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rwMutex.lastWriterFile = "";
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rwMutex.lastWriterLine = 0;
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rwMutex.ownerThread = NULL;
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std::cout << " -- new owner possible!" << " >>> ReaderCount: " << rwMutex.readerCount << " - WriterCount: " << rwMutex.writerCount;
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#endif
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// and signal the next waiting reader/writer that it's free
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rwMutex.access.broadcast();
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}
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#if TRACE_MYRWMUTEX
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std::cout << std::endl;
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#endif
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rwMutex.handlerMutex.unlock();
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locked = false;
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}
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#if TRACE_MYRWMUTEX
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else std::cout << thread << "/" << locknumber << " / already unlocked - R (release)" << std::endl;
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||||
#endif
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||||
}
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||||
};
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/**
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* @brief Custom WriterLock with debugging feature, to replace the buggy Glib::RWLock (can have negative reader_count value!)
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||||
*
|
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*/
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class MyWriterLock {
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MyRWMutex& rwMutex;
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bool locked;
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#if TRACE_MYRWMUTEX
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static unsigned int writerLockCounter;
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int locknumber;
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public:
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inline MyWriterLock(MyRWMutex& mutex, const char* name, const char* file, const int line) : rwMutex(mutex), locked(false), locknumber(0)
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#else
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public:
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inline MyWriterLock(MyRWMutex& mutex) : rwMutex(mutex)
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#endif
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{
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// to operate safely
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||||
rwMutex.handlerMutex.lock();
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#if TRACE_MYRWMUTEX
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locknumber = writerLockCounter++;
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void* thread = Glib::Thread::self();
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std::cout << thread << "/" << locknumber << ":" << name << " / " << file << " : " << line << " - locking - W";
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||||
#endif
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||||
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if (rwMutex.writerCount) {
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// The writer count is non null, so we have to wait for it to be null again
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||||
#if TRACE_MYRWMUTEX
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||||
std::cout << " waiting..." << std::endl << "Current writer owner: " << rwMutex.lastWriterFile << " : " << rwMutex.lastWriterLine << std::endl;
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||||
#endif
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||||
while (rwMutex.writerCount)
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rwMutex.access.wait(rwMutex.handlerMutex);
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||||
#if TRACE_MYRWMUTEX
|
||||
std::cout << thread << "/" << locknumber << ":" << file << " : " << line << " - locking - W";
|
||||
#endif
|
||||
}
|
||||
// then we can increment the writer count
|
||||
++rwMutex.writerCount;
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||||
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||||
#if TRACE_MYRWMUTEX
|
||||
rwMutex.lastWriterFile = file;
|
||||
rwMutex.lastWriterLine = line;
|
||||
rwMutex.ownerThread = thread;
|
||||
std::cout << " ++ new owner <<< ReaderCount: " << rwMutex.readerCount << " - WriterCount: " << rwMutex.writerCount << std::endl;
|
||||
#endif
|
||||
|
||||
rwMutex.handlerMutex.unlock();
|
||||
|
||||
locked = true;
|
||||
}
|
||||
#if TRACE_MYRWMUTEX
|
||||
// locks the MyRWMutex with Read access if this MyReaderLock has not already locked it, otherwise return safely
|
||||
inline void acquire(const char* file, const int line)
|
||||
#else
|
||||
// locks the MyRWMutex with Read access if this MyReaderLock has not already locked it, otherwise return safely
|
||||
inline void acquire()
|
||||
#endif
|
||||
{
|
||||
#if TRACE_MYRWMUTEX
|
||||
void* thread = Glib::Thread::self();
|
||||
#endif
|
||||
if (!locked) {
|
||||
// to operate safely
|
||||
rwMutex.handlerMutex.lock();
|
||||
|
||||
#if TRACE_MYRWMUTEX
|
||||
std::cout << thread << "/" << locknumber << ":" << file << " : " << line << " - locking - W (lock)";
|
||||
#endif
|
||||
|
||||
if (rwMutex.writerCount) {
|
||||
// The writer count is non null, so we have to wait for it to be null again
|
||||
#if TRACE_MYRWMUTEX
|
||||
std::cout << " waiting..." << std::endl << "Current writer owner: " << rwMutex.lastWriterFile << " : " << rwMutex.lastWriterLine << std::endl;
|
||||
#endif
|
||||
while (rwMutex.writerCount)
|
||||
rwMutex.access.wait(rwMutex.handlerMutex);
|
||||
#if TRACE_MYRWMUTEX
|
||||
std::cout << thread << "/" << locknumber << ":" << file << " : " << line << " - locking - W (lock)";
|
||||
#endif
|
||||
}
|
||||
// then we can increment the reader count
|
||||
++rwMutex.writerCount;
|
||||
|
||||
#if TRACE_MYRWMUTEX
|
||||
rwMutex.lastWriterFile = file;
|
||||
rwMutex.lastWriterLine = line;
|
||||
rwMutex.ownerThread = thread;
|
||||
std::cout << " ++ new owner <<< ReaderCount: " << rwMutex.readerCount << " - WriterCount: " << rwMutex.writerCount << std::endl;
|
||||
#endif
|
||||
|
||||
rwMutex.handlerMutex.unlock();
|
||||
|
||||
locked = true;
|
||||
}
|
||||
#if TRACE_MYRWMUTEX
|
||||
else std::cout << thread << "/" << locknumber << " / already locked by this object - W (lock)" << std::endl;
|
||||
#endif
|
||||
}
|
||||
inline ~MyWriterLock() {
|
||||
#if TRACE_MYRWMUTEX
|
||||
void* thread = Glib::Thread::self();
|
||||
#endif
|
||||
if (locked) {
|
||||
// to operate safely
|
||||
rwMutex.handlerMutex.lock();
|
||||
|
||||
// decrement the writer number first
|
||||
--rwMutex.writerCount;
|
||||
|
||||
#if TRACE_MYRWMUTEX
|
||||
std::cout << thread << "/" << locknumber << " / unlocking - W";
|
||||
#endif
|
||||
|
||||
if (!rwMutex.writerCount) {
|
||||
#if TRACE_MYRWMUTEX
|
||||
rwMutex.lastWriterFile = "";
|
||||
rwMutex.lastWriterLine = 0;
|
||||
rwMutex.ownerThread = NULL;
|
||||
std::cout << " -- new owner possible!";
|
||||
#endif
|
||||
// The writer count is null again, so we can wake up the next writer or reader
|
||||
rwMutex.access.broadcast();
|
||||
}
|
||||
#if TRACE_MYRWMUTEX
|
||||
std::cout << " <<< ReaderCount: " << rwMutex.readerCount << " - WriterCount: " << rwMutex.writerCount << std::endl;
|
||||
#endif
|
||||
|
||||
rwMutex.handlerMutex.unlock();
|
||||
}
|
||||
#if TRACE_MYRWMUTEX
|
||||
else std::cout << thread << "/" << locknumber << " / already unlocked by this object - W" << std::endl;
|
||||
#endif
|
||||
}
|
||||
#if TRACE_MYRWMUTEX
|
||||
// releases the MyRWMutex with Write access if this MyWriterLock has already locked it, otherwise return safely
|
||||
inline void release(const char* file, const int line)
|
||||
#else
|
||||
// releases the MyRWMutex with Write access if this MyWriterLock has already locked it, otherwise return safely
|
||||
inline void release()
|
||||
#endif
|
||||
{
|
||||
#if TRACE_MYRWMUTEX
|
||||
void* thread = Glib::Thread::self();
|
||||
#endif
|
||||
if (locked) {
|
||||
// to operate safely
|
||||
rwMutex.handlerMutex.lock();
|
||||
|
||||
// decrement the writer number first
|
||||
--rwMutex.writerCount;
|
||||
|
||||
#if TRACE_MYRWMUTEX
|
||||
std::cout << thread << "/" << locknumber << " / unlocking - W (release)";
|
||||
#endif
|
||||
|
||||
if (!rwMutex.writerCount) {
|
||||
#if TRACE_MYRWMUTEX
|
||||
rwMutex.lastWriterFile = "";
|
||||
rwMutex.lastWriterLine = 0;
|
||||
rwMutex.ownerThread = NULL;
|
||||
std::cout << " -- new owner possible!";
|
||||
#endif
|
||||
// The writer count is null again, so we can wake up the next writer or reader
|
||||
rwMutex.access.broadcast();
|
||||
}
|
||||
#if TRACE_MYRWMUTEX
|
||||
std::cout << " <<< ReaderCount: " << rwMutex.readerCount << " - WriterCount: " << rwMutex.writerCount << std::endl;
|
||||
#endif
|
||||
|
||||
rwMutex.handlerMutex.unlock();
|
||||
|
||||
locked = false;
|
||||
}
|
||||
#if TRACE_MYRWMUTEX
|
||||
else std::cout << thread << "/" << locknumber << " / already unlocked by this object - W (release)" << std::endl;
|
||||
#endif
|
||||
}
|
||||
};
|
||||
|
||||
#if TRACE_MYRWMUTEX
|
||||
#define MYREADERLOCK(ln, e) MyReaderLock ln(e, #e, __FILE__, __LINE__);
|
||||
#define MYWRITERLOCK(ln, e) MyWriterLock ln(e, #e, __FILE__, __LINE__);
|
||||
#define MYREADERLOCK_ACQUIRE(ln) ln.acquire(__FILE__, __LINE__);
|
||||
#define MYWRITERLOCK_ACQUIRE(ln) ln.acquire(__FILE__, __LINE__);
|
||||
#define MYREADERLOCK_RELEASE(ln) ln.release(__FILE__, __LINE__);
|
||||
#define MYWRITERLOCK_RELEASE(ln) ln.release(__FILE__, __LINE__);
|
||||
#else
|
||||
#define MYREADERLOCK(ln, e) MyReaderLock ln(e);
|
||||
#define MYWRITERLOCK(ln, e) MyWriterLock ln(e);
|
||||
#define MYREADERLOCK_ACQUIRE(ln) ln.acquire();
|
||||
#define MYWRITERLOCK_ACQUIRE(ln) ln.acquire();
|
||||
#define MYREADERLOCK_RELEASE(ln) ln.release();
|
||||
#define MYWRITERLOCK_RELEASE(ln) ln.release();
|
||||
#endif
|
||||
|
||||
#endif /* _THREADUTILS_ */
|
Reference in New Issue
Block a user