| 1 | // |
|---|---|
| 2 | // Condition.cpp |
| 3 | // |
| 4 | // Library: Foundation |
| 5 | // Package: Threading |
| 6 | // Module: Condition |
| 7 | // |
| 8 | // Copyright (c) 2007, Applied Informatics Software Engineering GmbH. |
| 9 | // and Contributors. |
| 10 | // |
| 11 | // SPDX-License-Identifier: BSL-1.0 |
| 12 | // |
| 13 | |
| 14 | |
| 15 | #include "Poco/Condition.h" |
| 16 | |
| 17 | |
| 18 | namespace Poco { |
| 19 | |
| 20 | |
| 21 | Condition::Condition() |
| 22 | { |
| 23 | } |
| 24 | |
| 25 | Condition::~Condition() |
| 26 | { |
| 27 | } |
| 28 | |
| 29 | |
| 30 | void Condition::signal() |
| 31 | { |
| 32 | FastMutex::ScopedLock lock(_mutex); |
| 33 | |
| 34 | if (!_waitQueue.empty()) |
| 35 | { |
| 36 | _waitQueue.front()->set(); |
| 37 | dequeue(); |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | |
| 42 | void Condition::broadcast() |
| 43 | { |
| 44 | FastMutex::ScopedLock lock(_mutex); |
| 45 | |
| 46 | for (WaitQueue::iterator it = _waitQueue.begin(); it != _waitQueue.end(); ++it) |
| 47 | { |
| 48 | (*it)->set(); |
| 49 | } |
| 50 | _waitQueue.clear(); |
| 51 | } |
| 52 | |
| 53 | |
| 54 | void Condition::enqueue(Event& event) |
| 55 | { |
| 56 | _waitQueue.push_back(&event); |
| 57 | } |
| 58 | |
| 59 | |
| 60 | void Condition::dequeue() |
| 61 | { |
| 62 | _waitQueue.pop_front(); |
| 63 | } |
| 64 | |
| 65 | |
| 66 | void Condition::dequeue(Event& event) |
| 67 | { |
| 68 | for (WaitQueue::iterator it = _waitQueue.begin(); it != _waitQueue.end(); ++it) |
| 69 | { |
| 70 | if (*it == &event) |
| 71 | { |
| 72 | _waitQueue.erase(it); |
| 73 | break; |
| 74 | } |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | |
| 79 | } // namespace Poco |
| 80 |