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原创 The Serenity Prayer
The Serenity PrayerGod grant me the serenityto accept the things I cannot change;courage to change the things I can;and wisdom to know the difference.Living one day at a time;Enjoying one moment...
2020-05-03 18:23:53
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原创 shared_ptr源码分析
// 引用计数器的同步方式, 单线程情形无需同步, 多线程下如支持原子操作则使用atomic, 否则退化为锁enum _Lock_policy { _S_single, _S_mutex, _S_atomic };static const _Lock_policy __default_lock_policy =#ifndef __GTHREADS _S_single;#elif defined _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY _S_atomic;
2020-11-08 14:56:01
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