r979:43a91b33f374
Sun, 29 Jan 2012 11:28:41
[Not Reviewed]
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/* -*- mode: C++; indent-tabs-mode: nil; -*- |
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* |
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* This file is a part of LEMON, a generic C++ optimization library. |
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* |
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* Copyright (C) 2003-2012 |
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* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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* (Egervary Research Group on Combinatorial Optimization, EGRES). |
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* |
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* Permission to use, modify and distribute this software is granted |
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* provided that this copyright notice appears in all copies. For |
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* precise terms see the accompanying LICENSE file. |
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* |
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* This software is provided "AS IS" with no warranty of any kind, |
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* express or implied, and with no claim as to its suitability for any |
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* purpose. |
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* |
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*/ |
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#ifndef LEMON_BITS_LOCK_H |
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#define LEMON_BITS_LOCK_H |
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#include <lemon/config.h> |
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#if defined(LEMON_USE_PTHREAD) |
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#include <pthread.h> |
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#elif defined(LEMON_USE_WIN32_THREADS) |
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#include <lemon/bits/windows.h> |
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#endif |
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namespace lemon {
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namespace bits {
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#if defined(LEMON_USE_PTHREAD) |
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class Lock {
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public: |
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Lock() {
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pthread_mutex_init(&_lock, 0); |
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} |
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~Lock() {
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pthread_mutex_destroy(&_lock); |
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} |
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void lock() {
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pthread_mutex_lock(&_lock); |
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} |
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void unlock() {
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pthread_mutex_unlock(&_lock); |
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} |
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private: |
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pthread_mutex_t _lock; |
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}; |
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#elif defined(LEMON_USE_WIN32_THREADS) |
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class Lock : public WinLock {};
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#else |
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class Lock {
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public: |
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Lock() {}
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~Lock() {}
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void lock() {}
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void unlock() {}
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}; |
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#endif |
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} |
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} |
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#endif |
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@@ -111,12 +111,16 @@ |
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INCLUDE(CheckTypeSize) |
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CHECK_TYPE_SIZE("long long" LONG_LONG)
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SET(LEMON_HAVE_LONG_LONG ${HAVE_LONG_LONG})
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INCLUDE(FindThreads) |
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SET(LEMON_USE_PTHREAD ${CMAKE_USE_PTHREADS_INIT})
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SET(LEMON_USE_WIN32_THREADS ${CMAKE_USE_WIN32_THREADS_INIT})
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ENABLE_TESTING() |
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IF(${CMAKE_BUILD_TYPE} STREQUAL "Maintainer")
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ADD_CUSTOM_TARGET(check ALL COMMAND ${CMAKE_CTEST_COMMAND})
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ELSE() |
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ADD_CUSTOM_TARGET(check COMMAND ${CMAKE_CTEST_COMMAND})
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@@ -135,12 +135,13 @@ |
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lemon/bits/bezier.h \ |
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lemon/bits/default_map.h \ |
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lemon/bits/edge_set_extender.h \ |
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lemon/bits/enable_if.h \ |
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lemon/bits/graph_adaptor_extender.h \ |
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lemon/bits/graph_extender.h \ |
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lemon/bits/lock.h \ |
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lemon/bits/map_extender.h \ |
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lemon/bits/path_dump.h \ |
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lemon/bits/solver_bits.h \ |
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lemon/bits/traits.h \ |
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lemon/bits/variant.h \ |
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lemon/bits/vector_map.h |
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@@ -20,12 +20,13 @@ |
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#define LEMON_BITS_ALTERATION_NOTIFIER_H |
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#include <vector> |
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#include <list> |
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#include <lemon/core.h> |
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#include <lemon/bits/lock.h> |
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//\ingroup graphbits |
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//\file |
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//\brief Observer notifier for graph alteration observers. |
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namespace lemon {
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@@ -248,13 +249,13 @@ |
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protected: |
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const Container* container; |
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typedef std::list<ObserverBase*> Observers; |
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Observers _observers; |
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lemon::bits::Lock _lock; |
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public: |
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// \brief Default constructor. |
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// |
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// The default constructor of the AlterationNotifier. |
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@@ -329,20 +330,24 @@ |
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return container->maxId(Item()); |
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} |
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protected: |
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void attach(ObserverBase& observer) {
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_lock.lock(); |
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observer._index = _observers.insert(_observers.begin(), &observer); |
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observer._notifier = this; |
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_lock.unlock(); |
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} |
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void detach(ObserverBase& observer) {
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_lock.lock(); |
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_observers.erase(observer._index); |
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observer._index = _observers.end(); |
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observer._notifier = 0; |
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_lock.unlock(); |
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} |
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public: |
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// \brief Notifies all the registed observers about an item added to |
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// the container. |
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@@ -127,8 +127,38 @@ |
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#else |
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timeval tv; |
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gettimeofday(&tv, 0); |
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return getpid() + tv.tv_sec + tv.tv_usec; |
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#endif |
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} |
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WinLock::WinLock() {
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#ifdef WIN32 |
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CRITICAL_SECTION *lock = new CRITICAL_SECTION; |
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InitializeCriticalSection(lock); |
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_repr = lock; |
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#endif |
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} |
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WinLock::~WinLock() {
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#ifdef WIN32 |
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CRITICAL_SECTION *lock = static_cast<CRITICAL_SECTION*>(_repr); |
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DeleteCriticalSection(lock); |
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delete lock; |
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#endif |
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} |
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void WinLock::lock() {
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#ifdef WIN32 |
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CRITICAL_SECTION *lock = static_cast<CRITICAL_SECTION*>(_repr); |
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EnterCriticalSection(lock); |
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#endif |
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} |
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void WinLock::unlock() {
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#ifdef WIN32 |
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CRITICAL_SECTION *lock = static_cast<CRITICAL_SECTION*>(_repr); |
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LeaveCriticalSection(lock); |
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#endif |
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} |
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} |
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} |
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@@ -25,10 +25,20 @@ |
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namespace bits {
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void getWinProcTimes(double &rtime, |
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double &utime, double &stime, |
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double &cutime, double &cstime); |
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std::string getWinFormattedDate(); |
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int getWinRndSeed(); |
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class WinLock {
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public: |
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WinLock(); |
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~WinLock(); |
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void lock(); |
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void unlock(); |
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private: |
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void *_repr; |
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}; |
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} |
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} |
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#endif |
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@@ -3,6 +3,8 @@ |
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#cmakedefine LEMON_HAVE_LP 1 |
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#cmakedefine LEMON_HAVE_MIP 1 |
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#cmakedefine LEMON_HAVE_GLPK 1 |
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#cmakedefine LEMON_HAVE_CPLEX 1 |
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#cmakedefine LEMON_HAVE_CLP 1 |
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#cmakedefine LEMON_HAVE_CBC 1 |
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#cmakedefine LEMON_USE_PTHREAD 1 |
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#cmakedefine LEMON_USE_WIN32_THREADS 1 |
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@@ -21,6 +21,12 @@ |
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/* Define to 1 if you have CLP */ |
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#undef LEMON_HAVE_CLP |
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/* Define to 1 if you have CBC */ |
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#undef LEMON_HAVE_CBC |
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/* Define to 1 if you have pthread */ |
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#undef LEMON_USE_PTHREAD |
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/* Define to 1 if you have win32 threads */ |
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#undef LEMON_USE_WIN32_THREADS |
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