test_and_set
使用test_and_set Instruction，lock=false. do while (test_and_set(&lock)). ; /* do nothing */. /* critical section */ //變到1就可以進去. lock = false;., 书上说Peterson算法满足有限等待条件，而test_and_set不满足。思索很久后，我想原因应该是这样：Peterson算法只适用于两进程的情况， ..., test_and_set() 函数检查std::atomic_flag 标志，如果std::atomic_flag 之前没有被设置过，则设置std::atomic_flag 的标志，并返回先前 ..., std::atomic_flag::test_and_set ... bool test_and_set(std::memory_order order = std::memory_order_seq_cst) volatile noexcept;. (1), (C++11 起).,In computer science, the test-and-set instruction is an instruction used to write 1 (set) to a ... function Lock(boolean *lock) while (test_and_set(lock) == 1); }. , do acquire lock /用lock鎖住CS/ critical section release lock /執行完工作，釋放CS/ remainder section } while (TRUE)；. test_and_set Instruction.,std::atomic_flag::test_and_set. bool test_and_set (memory_order sync = memory_order_seq_cst) volatile noexcept; bool test_and_set (memory_order sync ... , std::atomic_flag::test_and_set ... bool test_and_set(std::memory_order order = std::memory_order_seq_cst) volatile noexcept;. (1), (since ...,function Lock(boolean *lock) while (test_and_set (lock) == 1) ; }. 當舊值為0 時，這程式可以得到鎖。否則的話，它會一直嘗試將1 寫入記憶體位置，直到舊值為0。
| 相關軟體 Sync 資訊 | |
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 test_and_set 相關參考資料
06. 同步(Synchronization) | 宅學習
使用test_and_set Instruction，lock=false. do while (test_and_set(&lock)). ; /* do nothing */. /* critical section */ //變到1就可以進去. lock = false;. https://sls.weco.net Peterson算法、test_and_set在有限等待上的说明- trium_KW的博客 ...
书上说Peterson算法满足有限等待条件，而test_and_set不满足。思索很久后，我想原因应该是这样：Peterson算法只适用于两进程的情况， ... https://blog.csdn.net C++11 并发指南六(atomic 类型详解一atomic_flag 介绍) - Haippy - 博客园
test_and_set() 函数检查std::atomic_flag 标志，如果std::atomic_flag 之前没有被设置过，则设置std::atomic_flag 的标志，并返回先前 ... https://www.cnblogs.com test_and_set
std::atomic_flag::test_and_set ... bool test_and_set(std::memory_order order = std::memory_order_seq_cst) volatile noexcept;. (1), (C++11 起). https://zh.cppreference.com Test-and-set - Wikipedia
In computer science, the test-and-set instruction is an instruction used to write 1 (set) to a ... function Lock(boolean *lock) while (test_and_set(lock) == 1); }. https://en.wikipedia.org DAY 13 Process Synchronization(中) - iT 邦幫忙::一起幫忙解決難題 ...
do acquire lock /用lock鎖住CS/ critical section release lock /執行完工作，釋放CS/ remainder section } while (TRUE)；. test_and_set Instruction. https://ithelp.ithome.com.tw atomic_flag::test_and_set - C++ Reference - cplusplus.com
std::atomic_flag::test_and_set. bool test_and_set (memory_order sync = memory_order_seq_cst) volatile noexcept; bool test_and_set (memory_order sync ... http://www.cplusplus.com std::atomic_flag::test_and_set - cppreference.com
std::atomic_flag::test_and_set ... bool test_and_set(std::memory_order order = std::memory_order_seq_cst) volatile noexcept;. (1), (since ... https://en.cppreference.com 檢查並設定- 維基百科，自由的百科全書 - Wikipedia
function Lock(boolean *lock) while (test_and_set (lock) == 1) ; }. 當舊值為0 時，這程式可以得到鎖。否則的話，它會一直嘗試將1 寫入記憶體位置，直到舊值為0。 https://zh.wikipedia.org |