debugging 为什么在我的代码cpp compare_exchange_strong中更新并返回false要让CAS_strong返回false并更新值，您的编译器或CPU必须有bug。这些都是 * 可能的 *（尤其是编译器bug），但这些都是非同寻常的说法，需要非常仔细地排除相同观察结果的软件原因。当您还没有整理好所有细节，也不确定您是否理解正在发生的一切时，这不应该是您的第一个猜测。
debugging 为什么在我的代码cpp compare_exchange_strong中更新并返回false要让CAS_strong返回false并更新值...
问cpp compare_exchange_strong伪造失败？ENYamlCpp #1 环境 macOS 10.15.5 Cmake #2 安装 git cl...
std::atomic_ref<T>::compare_exchange_weak,std::atomic_ref<T>::compare_exchange_strong boolcompare_exchange_weak (value_type&expected, value_type desired, std::memory_ordersuccess, std::memory_orderfailure)constnoexcept; (1)(constexpr since C++26) ...
#0 0x7f7a4b82df77 in bool __sanitizer::atomic_compare_exchange_strong<__sanitizer::atomic_uint8_t>(__sanitizer::atomic_uint8_t volatile*, __sanitizer::atomic_uint8_t::Type*, __sanitizer::atomic_uint8_t::Type, __sanitizer::memory_order) ../../../../src/libsanitizer/sanitizer_...
std::atomic<T>::compare_exchange_weak,std::atomic<T>::compare_exchange_strong C++ Concurrency support library std::atomic boolcompare_exchange_weak(T&expected, T desired, std::memory_ordersuccess, std::memory_orderfailure)noexcept; (1)(since C++11) ...
if (tail_.compare_exchange_strong(expected_tail, nullptr, std::memory_order_relaxed)) { // We successfully marked the list as empty. drained = true; // `head_` will be reset by next `Append`. } else { // Someone else is appending new node and has changed `tail_` to its ...
std::atomic<T>::compare_exchange_weak,std::atomic<T>::compare_exchange_strong C++ Concurrency support library std::atomic boolcompare_exchange_weak(T&expected, T desired, std::memory_ordersuccess, std::memory_orderfailure)noexcept; (1)(since C++11) ...
See also atomic_exchangeatomic_exchange_explicit (C11) swaps a value with the value of an atomic object (function) C++ documentation for atomic_compare_exchange_weak, atomic_compare_exchange_strong, atomic_compare_exchange_weak_explicit, atomic_compare_exchange_strong_explicit...
bool compare_exchange_strong(T& expected, T desired, std::memory_order order =std::memory_order_seq_cst) 读改写:内部含循环,保存的值需要耗时计算(或体积较大的原子类型)选择其更合理 T exchange(T desired, std::memory_order order = std::memory_order_seq_cst) 读改写 内存顺序 内存序说明 memor...