diff options
Diffstat (limited to 'src/mbgl/util/thread_pool.cpp')
-rw-r--r-- | src/mbgl/util/thread_pool.cpp | 62 |
1 files changed, 27 insertions, 35 deletions
diff --git a/src/mbgl/util/thread_pool.cpp b/src/mbgl/util/thread_pool.cpp index d8df0cd575..040e996dd4 100644 --- a/src/mbgl/util/thread_pool.cpp +++ b/src/mbgl/util/thread_pool.cpp @@ -6,49 +6,41 @@ namespace mbgl { -ThreadPool::ThreadPool(std::size_t count) { - threads.reserve(count); - - for (std::size_t i = 0; i < count; ++i) { - threads.emplace_back([this, i]() { - platform::setCurrentThreadName(std::string{ "Worker " } + util::toString(i + 1)); - platform::attachThread(); - - while (true) { - std::unique_lock<std::mutex> lock(mutex); - - cv.wait(lock, [this] { - return !queue.empty() || terminate; - }); - - if (terminate) { - platform::detachThread(); - return; - } - - auto function = std::move(queue.front()); - queue.pop(); - lock.unlock(); - if (function) function(); - } - }); - } -} +ThreadedSchedulerBase::~ThreadedSchedulerBase() = default; -ThreadPool::~ThreadPool() { +void ThreadedSchedulerBase::terminate() { { std::lock_guard<std::mutex> lock(mutex); - terminate = true; + terminated = true; } - cv.notify_all(); +} - for (auto& thread : threads) { - thread.join(); - } +std::thread ThreadedSchedulerBase::makeSchedulerThread(size_t index) { + return std::thread([this, index]() { + platform::setCurrentThreadName(std::string{"Worker "} + util::toString(index + 1)); + platform::attachThread(); + + while (true) { + std::unique_lock<std::mutex> lock(mutex); + + cv.wait(lock, [this] { return !queue.empty() || terminated; }); + + if (terminated) { + platform::detachThread(); + return; + } + + auto function = std::move(queue.front()); + queue.pop(); + lock.unlock(); + if (function) function(); + } + }); } -void ThreadPool::schedule(std::function<void()> fn) { +void ThreadedSchedulerBase::schedule(std::function<void()> fn) { + assert(fn); { std::lock_guard<std::mutex> lock(mutex); queue.push(std::move(fn)); |