but since// this particular list is only ever appended to and never has items inserted or deleted,// this usage is safe in this case.//sys_mutex_lock(container->lock);qdc_node_type_
WL#10314: InnoDB: Lock-sys optimization: sharded lock_sys mutex Affects: Server-8.0 —Status: Complete Description Requirements Dependent Tasks High Level Architecture Low Level Design The Lock-sys orchestrates access to tables and rows. Each table, and each row, can be thought of as a resource...
Command to display std::mutex::try_lock manual in Linux: $ man 3 std::mutex::try_lock NAMEstd::mutex::try_lock - std::mutex::try_lock Synopsisbool try_lock(); (since C++11) Tries to lock the mutex. Returns immediately. On successful lock acquisition returns true, otherwise ...
Bug #76728reduce lock_sys->mutex contention for transaction that only contains SELECT Submitted:17 Apr 2015 4:48Modified:3 Jun 2016 19:58 Reporter:zhai weixiang(OCA)Email Updates: Status:ClosedImpact on me: None Category:MySQL Server: InnoDB storage engineSeverity:S3 (Non-critical) ...
std::shared_lock<Mutex>::shared_lock: std::shared_lock<Mutex>::shared_lockCommand to display std::shared_lock<Mutex>::shared_lock manual in Linux: $ man 3 std::shared_lock<Mutex>::shared_lock NAMEstd::shared_lock<Mutex>::shared_lock - std::shared_lock<Mutex>::shared_lock ...
看到网上有文章说查deadlock可以先用!locks命令看看哪些lock是在held的状态,就先试试了。 代码: 0: kd> !locks *** DUMP OF ALL RESOURCE OBJECTS *** KD: Scanning for held locks... ...
Command to display std::shared_lock<Mutex>::swap manual in Linux: $ man 3 std::shared_lock<Mutex>::swap NAMEstd::shared_lock<Mutex>::swap - std::shared_lock<Mutex>::swap Synopsistemplate< class Mutex > (since C++14) void swap( shared_lock<Mutex>& other ) noexcept; ...