From f0cc06c7388acb32b86301965c5b2547e4e3b919 Mon Sep 17 00:00:00 2001 From: untodesu Date: Thu, 11 Sep 2025 13:51:50 +0500 Subject: Displace threading into core (qfortress graft) --- game/shared/threading.cc | 127 ----------------------------------------------- 1 file changed, 127 deletions(-) delete mode 100644 game/shared/threading.cc (limited to 'game/shared/threading.cc') diff --git a/game/shared/threading.cc b/game/shared/threading.cc deleted file mode 100644 index 209bd3c..0000000 --- a/game/shared/threading.cc +++ /dev/null @@ -1,127 +0,0 @@ -#include "shared/pch.hh" - -#include "shared/threading.hh" - -#include "core/io/cmdline.hh" -#include "core/math/constexpr.hh" - -constexpr static std::string_view DEFAULT_POOL_SIZE_ARG = "4"; - -static BS::light_thread_pool* thread_pool; -static std::deque task_deque; - -static void task_process(Task* task) -{ - task->set_status(task_status::PROCESSING); - task->process(); - - if(task->get_status() == task_status::PROCESSING) { - // If the task status is still PROCESSING - // it can be deduced it hasn't been cancelled - task->set_status(task_status::COMPLETED); - } -} - -task_status Task::get_status(void) const -{ - return m_status; -} - -void Task::set_status(task_status status) -{ - m_status = status; -} - -void threading::init(void) -{ - auto argument = io::cmdline::get("threads", DEFAULT_POOL_SIZE_ARG); - auto num_concurrent_threads = std::thread::hardware_concurrency(); - unsigned int thread_pool_size; - - if(num_concurrent_threads && 0 == argument.compare("max")) { - // Use the maximum available number of concurrent - // hardware threads provided by the implementation - thread_pool_size = num_concurrent_threads; - } - else { - if(num_concurrent_threads) { - auto result = std::from_chars(argument.data(), argument.data() + argument.size(), thread_pool_size); - - if(result.ec == std::errc()) { - thread_pool_size = math::clamp(thread_pool_size, 1U, num_concurrent_threads); - } - else { - thread_pool_size = 4U; - } - } - else { - auto result = std::from_chars(argument.data(), argument.data() + argument.size(), thread_pool_size); - - if(result.ec == std::errc()) { - thread_pool_size = math::max(thread_pool_size, 1U); - } - else { - thread_pool_size = 4U; - } - } - } - - spdlog::info("threading: using {} threads for pooling tasks", thread_pool_size); - - thread_pool = new BS::light_thread_pool(thread_pool_size); - - task_deque.clear(); -} - -void threading::shutdown(void) -{ - for(auto task : task_deque) { - auto status = task->get_status(); - if((status != task_status::CANCELLED) || (status != task_status::COMPLETED)) { - task->set_status(task_status::CANCELLED); - } - } - - thread_pool->purge(); - thread_pool->wait(); - - for(auto task : task_deque) - delete task; - task_deque.clear(); - - delete thread_pool; -} - -void threading::update(void) -{ - auto task_iter = task_deque.cbegin(); - - while(task_iter != task_deque.cend()) { - auto task_ptr = *task_iter; - auto status = task_ptr->get_status(); - - if(status == task_status::CANCELLED) { - delete task_ptr; - task_iter = task_deque.erase(task_iter); - continue; - } - - if(status == task_status::COMPLETED) { - task_ptr->finalize(); - delete task_ptr; - task_iter = task_deque.erase(task_iter); - continue; - } - - task_iter = std::next(task_iter); - } -} - -void threading::detail::submit_new(Task* task) -{ - task->set_status(task_status::ENQUEUED); - - static_cast(thread_pool->submit_task(std::bind(&task_process, task))); - - task_deque.push_back(task); -} -- cgit