���� JFIF �� � ( %"1"%)+...383,7(-.-
![]() Server : Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.4.20 System : Linux st2.domain.com 3.10.0-1127.10.1.el7.x86_64 #1 SMP Wed Jun 3 14:28:03 UTC 2020 x86_64 User : apache ( 48) PHP Version : 7.4.20 Disable Function : NONE Directory : /home/real/node-v13.0.1/deps/v8/src/utils/ |
// Copyright 2015 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_UTILS_LOCKED_QUEUE_H_ #define V8_UTILS_LOCKED_QUEUE_H_ #include "src/base/platform/platform.h" #include "src/utils/allocation.h" namespace v8 { namespace internal { // Simple lock-based unbounded size queue (multi producer; multi consumer) based // on "Simple, Fast, and Practical Non-Blocking and Blocking Concurrent Queue // Algorithms" by M. Scott and M. Michael. // See: // https://www.cs.rochester.edu/research/synchronization/pseudocode/queues.html template <typename Record> class LockedQueue final { public: inline LockedQueue(); inline ~LockedQueue(); inline void Enqueue(const Record& record); inline bool Dequeue(Record* record); inline bool IsEmpty() const; inline bool Peek(Record* record) const; private: struct Node; mutable base::Mutex head_mutex_; base::Mutex tail_mutex_; Node* head_; Node* tail_; DISALLOW_COPY_AND_ASSIGN(LockedQueue); }; } // namespace internal } // namespace v8 #endif // V8_UTILS_LOCKED_QUEUE_H_