{"id":950,"date":"2017-01-31T00:53:08","date_gmt":"2017-01-30T15:53:08","guid":{"rendered":"http:\/\/dev.activebasic.com\/egtra\/?p=950"},"modified":"2017-01-31T02:06:49","modified_gmt":"2017-01-30T17:06:49","slug":"boost%e3%81%ae%e4%bd%95%e3%82%82%e3%81%97%e3%81%aa%e3%81%84%e3%83%9f%e3%83%a5%e3%83%bc%e3%83%86%e3%83%83%e3%82%af%e3%82%b9","status":"publish","type":"post","link":"https:\/\/dev.activebasic.com\/egtra\/2017\/01\/31\/950\/","title":{"rendered":"Boost\u306e\u306a\u3093\u306b\u3082\u3057\u306a\u3044\u30df\u30e5\u30fc\u30c6(\u30c3)\u30af\u30b9"},"content":{"rendered":"<p>\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u306e\u3088\u3046\u306b\u3001\u5b9f\u969b\u306b\u306f\u4f55\u3082\u884c\u308f\u305a\u3001\u305f\u3060\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3060\u3051\u306e\u5b9f\u88c5\u306f\u7c21\u5358\u306b\u4f5c\u308c\u308b\u3067\u3057\u3087\u3046\u3002Null Object\u30d1\u30bf\u30fc\u30f3\u306e\u4e00\u7a2e\u3068\u8a00\u3048\u307e\u3059\u3088\u306d\u3002<\/p>\n<pre lang=\"cpp\">\r\nclass null_mutex\r\n{\r\n  void lock() {}\r\n  void try_lock() {}\r\n  void unlock() {}\r\n};\r\n<\/pre>\n<p>Boost\u306b\u306f\u3001\u305d\u3093\u306a\u30af\u30e9\u30b9\u304c\u306a\u3093\u3060\u304b\u3042\u3061\u3053\u3061\u306b\u3042\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<ul>\n<li>Boost.Signals2: <a href=\"https:\/\/www.boost.org\/doc\/libs\/1_63_0\/doc\/html\/boost\/signals2\/dummy_mutex.html\">Class dummy_mutex<\/a> (boost::signals2::dummy_mutex)<\/li>\n<li>Boost.Interprocess: <a href=\"https:\/\/www.boost.org\/doc\/libs\/1_63_0\/doc\/html\/boost\/interprocess\/null_mutex.html\">Class null_mutex<\/a> (boost::interprocess::null_mutex)<\/li>\n<li>Boost.Thread: <a href=\"https:\/\/www.boost.org\/doc\/libs\/1_63_0\/doc\/html\/thread\/synchronization.html#thread.synchronization.mutex_types.null_mutex\">Class null_mutex &#8212; EXTENSION<\/a><\/li>\n<li>Boost.Pool: <a href=\"https:\/\/www.boost.org\/doc\/libs\/1_63_0\/libs\/pool\/doc\/html\/boost\/singleton_pool.html\">Class template singleton_pool &#8211; 1.63.0<\/a> (boost::details::pool::null_mutex)<\/li>\n<li>Boost.Log: <a href=\"https:\/\/www.boost.org\/doc\/libs\/1_63_0\/boost\/log\/detail\/fake_mutex.hpp\">boost\/log\/detail\/fake_mutex.hpp<\/a> (boost::log::aux::fake_mutex)<\/li>\n<li>Boost.Fiber:\n<ul>\n<li>BOOST_FIBERS_NO_ATOMICS\u3092\u5b9a\u7fa9\u3057\u305f\u5834\u5408\u306eboost::fibers::detail::spinlock\u3068boost::fibers::detail::spinlock_lock <a href=\"https:\/\/www.boost.org\/doc\/libs\/1_63_0\/boost\/fiber\/detail\/spinlock.hpp\">boost\/fiber\/detail\/spinlock.hpp<\/a>, <a href=\"https:\/\/www.boost.org\/doc\/libs\/1_63_0\/libs\/fiber\/doc\/html\/fiber\/performance\/tweaking.html\">Tweaking<\/a><\/li>\n<\/li>\n<li>1.62.0\u306b\u306f\u3001boost::fibers::detail::non_spinlock\u3068boost::fibers::detail::non_lock\u304c\u3042\u3063\u305f: <a href=\"https:\/\/www.boost.org\/doc\/libs\/1_62_0\/boost\/fiber\/detail\/spinlock.hpp\">boost\/fiber\/detail\/spinlock.hpp &#8211; 1.62.0<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Boost.Thread\u306e\u3082\u306e\u304c\u6700\u3082\u6c4e\u7528\u7684\u3067\u3059\u3002Boost\u306eUpgradeLockable\u30b3\u30f3\u30bb\u30d7\u30c8\u307e\u3067\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u306b\u6b21\u3050\u306e\u304cBoost.Interprocess\u306e\u3082\u306e\u3067\u3059\u3002\u6b8b\u308a\u306fLockable\u30b3\u30f3\u30bb\u30d7\u30c8\uff08<code>lock<\/code>, <code>try_lock<\/code>, <code>unlock<\/code>\uff09\u306e\u307f\u5b9f\u88c5\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u79c1\u81ea\u8eab\u306f\u3001boost::signals2::dummy_mutex\u306a\u3089\u4f7f\u3063\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u3067boost::signals2::signal\u3092\u4f7f\u3046\u3068\u3044\u3046\u72b6\u6cc1\u3067\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Boost\u306b\u5b58\u5728\u3059\u308b\u3001\u7a7a\u5b9f\u88c5\u306e\u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u30af\u30e9\u30b9\u306e\u7d39\u4ecb\u3067\u3059\u3002\u8abf\u3079\u305f\u3089\u3001\u540c\u3058\u3088\u3046\u306a\u3082\u306e\u304c\u3044\u3063\u3071\u3044\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[5],"tags":[45],"class_list":["post-950","post","type-post","status-publish","format-standard","hentry","category-cpp","tag-boost"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - 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