extern "C" void atomic_signal_fence( std::memory_order order ) noexcept; (C++11 起) 在线程和同一线程上执行的信号处理函数之间,建立以 order 指示的非原子和宽松原子访问的内存同步顺序。这等价于 std::atomic_thread_fence ,除了不为内存顺序产生 CPU 指令。只会以 order 指示抑制编译器重排指令。例如...
atomic_signal_fence 在头文件<stdatomic.h>中定义 void atomic_signal_fence(memory_order order); (自C11以来) 按照order在同一线程上执行的线程和信号处理程序之间的指示,建立非原子和宽松原子访问的内存同步排序。这相当于atomic_thread_fence,除了没有发布用于内存排序的CPU指令外。只有编译器对...
atomic_signal_fence 函式 atomic_store 函式 atomic_store_explicit 函式 atomic_thread_fence 函式 kill_dependency 函式 memory_order 列舉 <bitset> <cassert> <ccomplex> <cctype> <cerrno> <cfloat> <chrono> <ciso646> <climits> <clocale> <cmath> <codecvt> <complex> <condition_variable> <...
这等价于 std::atomic_thread_fence,除了不为内存定序发出 CPU 指令。只会根据 order 指示抑制编译器的指令重排。例如,拥有释放语义的栅栏阻止把读或写操作移动到后继的写入操作之后,而拥有获得语义的栅栏阻止把读或写操作移动到前驱的读取操作之前。 参数...
extern "C" void atomic_signal_fence (memory_order sync) noexcept; Signal fenceEstablishes a single-thread fence: The point of call to this function becomes either an acquire or a release ordering point (or both) within a single thread. This function is equivalent to atomic_thread_fence except...
std::atomic_signal_fence Defined in header <atomic> extern "C" void atomic_signal_fence( std::memory_order order ); (since C++11) 建立非原子和轻松原子访问的内存同步顺序,按照order在同一线程上执行的线程和信号处理程序之间。这相当于std::atomic_thread_fence,除非没有发出内存排序的...
void atomic_signal_fence(memory_order order); C++ synopsis #include <atomic> namespace std { extern "C" void atomic_thread_fence(memory_order order) noexcept; extern "C" void atomic_signal_fence(memory_order order) noexcept; } Description Depending on the value of order, atomic_thread_fence...
std::atomic_signal_fence Defined in header<atomic> extern"C"voidatomic_signal_fence(std::memory_orderorder)noexcept; (since C++11) Establishes memory synchronization ordering of non-atomic and relaxed atomic accesses, as instructed byorder, between a thread and a signal handler executed on the sa...
std::atomic_signal_fence定义于头文件 <atomic> extern "C" void atomic_signal_fence( std::memory_order order ) noexcept; (C++11 起) 在线程和同一线程上执行的信号处理函数之间,建立以 order 指示的非原子和宽松原子访问的内存同步顺序。这等价于 std::atomic_thread_fence ,除了不为内存顺序产生 CPU ...
inline void atomic_signal_fence( memory_order Order ) _NOEXCEPT; 參數Order 判斷柵欄型別的記憶體定序條件約束。備註Order 引數識別柵欄型別。展開資料表 memory_order_relaxed 柵欄沒有作用。 memory_order_consume 柵欄是取得柵欄。 memory_order_acquire 柵欄是取得柵欄。 memory_order_release 柵欄是版本柵欄...