godot/core/object/worker_thread_pool.cpp

/**************************************************************************/
/*  worker_thread_pool.cpp                                                */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
/*                                                                        */
/* Permission is hereby granted, free of charge, to any person obtaining  */
/* a copy of this software and associated documentation files (the        */
/* "Software"), to deal in the Software without restriction, including    */
/* without limitation the rights to use, copy, modify, merge, publish,    */
/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
/* the following conditions:                                              */
/*                                                                        */
/* The above copyright notice and this permission notice shall be         */
/* included in all copies or substantial portions of the Software.        */
/*                                                                        */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
/**************************************************************************/

#include "worker_thread_pool.h"

#include "core/object/script_language.h"
#include "core/os/os.h"
#include "core/os/safe_binary_mutex.h"
#include "core/os/thread_safe.h"

WorkerThreadPool::Task *const WorkerThreadPool::ThreadData::YIELDING = …;

void WorkerThreadPool::Task::free_template_userdata() { … }

WorkerThreadPool *WorkerThreadPool::singleton = …;

#ifdef THREADS_ENABLED
thread_local WorkerThreadPool::UnlockableLocks WorkerThreadPool::unlockable_locks[MAX_UNLOCKABLE_LOCKS];
#endif

void WorkerThreadPool::_process_task(Task *p_task) { … }

void WorkerThreadPool::_thread_function(void *p_user) { … }

void WorkerThreadPool::_post_tasks_and_unlock(Task **p_tasks, uint32_t p_count, bool p_high_priority) { … }

void WorkerThreadPool::_notify_threads(const ThreadData *p_current_thread_data, uint32_t p_process_count, uint32_t p_promote_count) { … }

bool WorkerThreadPool::_try_promote_low_priority_task() { … }

WorkerThreadPool::TaskID WorkerThreadPool::add_native_task(void (*p_func)(void *), void *p_userdata, bool p_high_priority, const String &p_description) { … }

WorkerThreadPool::TaskID WorkerThreadPool::_add_task(const Callable &p_callable, void (*p_func)(void *), void *p_userdata, BaseTemplateUserdata *p_template_userdata, bool p_high_priority, const String &p_description) { … }

WorkerThreadPool::TaskID WorkerThreadPool::add_task(const Callable &p_action, bool p_high_priority, const String &p_description) { … }

bool WorkerThreadPool::is_task_completed(TaskID p_task_id) const { … }

Error WorkerThreadPool::wait_for_task_completion(TaskID p_task_id) { … }

void WorkerThreadPool::_lock_unlockable_mutexes() { … }

void WorkerThreadPool::_unlock_unlockable_mutexes() { … }

void WorkerThreadPool::_wait_collaboratively(ThreadData *p_caller_pool_thread, Task *p_task) { … }

void WorkerThreadPool::yield() { … }

void WorkerThreadPool::notify_yield_over(TaskID p_task_id) { … }

WorkerThreadPool::GroupID WorkerThreadPool::_add_group_task(const Callable &p_callable, void (*p_func)(void *, uint32_t), void *p_userdata, BaseTemplateUserdata *p_template_userdata, int p_elements, int p_tasks, bool p_high_priority, const String &p_description) { … }

WorkerThreadPool::GroupID WorkerThreadPool::add_native_group_task(void (*p_func)(void *, uint32_t), void *p_userdata, int p_elements, int p_tasks, bool p_high_priority, const String &p_description) { … }

WorkerThreadPool::GroupID WorkerThreadPool::add_group_task(const Callable &p_action, int p_elements, int p_tasks, bool p_high_priority, const String &p_description) { … }

uint32_t WorkerThreadPool::get_group_processed_element_count(GroupID p_group) const { … }
bool WorkerThreadPool::is_group_task_completed(GroupID p_group) const { … }

void WorkerThreadPool::wait_for_group_task_completion(GroupID p_group) { … }

int WorkerThreadPool::get_thread_index() { … }

WorkerThreadPool::TaskID WorkerThreadPool::get_caller_task_id() { … }

#ifdef THREADS_ENABLED
uint32_t WorkerThreadPool::_thread_enter_unlock_allowance_zone(THREADING_NAMESPACE::unique_lock<THREADING_NAMESPACE::mutex> &p_ulock) { … }

void WorkerThreadPool::thread_exit_unlock_allowance_zone(uint32_t p_zone_id) { … }
#endif

void WorkerThreadPool::init(int p_thread_count, float p_low_priority_task_ratio) { … }

void WorkerThreadPool::finish() { … }

void WorkerThreadPool::_bind_methods() { … }

WorkerThreadPool::WorkerThreadPool() { … }

WorkerThreadPool::~WorkerThreadPool() { … }