Gabriele Cosmo
126 lines
3.3 KiB
C++
126 lines
3.3 KiB
C++
//
|
|
// MIT License
|
|
// Copyright (c) 2020 Jonathan R. Madsen
|
|
// 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
|
|
// 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.
|
|
//
|
|
// ---------------------------------------------------------------
|
|
// Tasking class header
|
|
// Class Description:
|
|
// ---------------------------------------------------------------
|
|
// Author: Jonathan Madsen
|
|
// ---------------------------------------------------------------
|
|
|
|
#pragma once
|
|
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <deque>
|
|
|
|
#if defined(PTL_USE_TBB)
|
|
# include <tbb/global_control.h>
|
|
# include <tbb/task_group.h>
|
|
# include <tbb/task_scheduler_init.h>
|
|
#endif
|
|
|
|
namespace PTL
|
|
{
|
|
//--------------------------------------------------------------------------------------//
|
|
|
|
#if defined(PTL_USE_TBB)
|
|
|
|
using tbb_global_control_t = ::tbb::global_control;
|
|
using tbb_task_group_t = ::tbb::task_group;
|
|
#else
|
|
|
|
namespace tbb
|
|
{
|
|
class task_group
|
|
{
|
|
public:
|
|
// dummy constructor
|
|
task_group() {}
|
|
// dummy wait
|
|
inline void wait() {}
|
|
// run function
|
|
template <typename FuncT>
|
|
inline void run(FuncT f)
|
|
{
|
|
f();
|
|
}
|
|
// run and wait
|
|
template <typename FuncT>
|
|
inline void run_and_wait(FuncT f)
|
|
{
|
|
f();
|
|
}
|
|
};
|
|
|
|
class global_control
|
|
{
|
|
public:
|
|
enum parameter
|
|
{
|
|
max_allowed_parallelism,
|
|
thread_stack_size
|
|
};
|
|
|
|
global_control(parameter p, size_t value);
|
|
~global_control();
|
|
static size_t active_value(parameter param);
|
|
};
|
|
|
|
} // namespace tbb
|
|
|
|
using tbb_global_control_t = tbb::global_control;
|
|
using tbb_task_group_t = tbb::task_group;
|
|
|
|
#endif
|
|
|
|
//--------------------------------------------------------------------------------------//
|
|
|
|
class ThreadPool;
|
|
class VUserTaskQueue;
|
|
|
|
//--------------------------------------------------------------------------------------//
|
|
|
|
class ThreadData
|
|
{
|
|
public:
|
|
template <typename Tp>
|
|
using TaskStack = std::deque<Tp>;
|
|
|
|
ThreadData(ThreadPool* tp);
|
|
~ThreadData();
|
|
|
|
void update();
|
|
|
|
public:
|
|
bool is_master;
|
|
bool within_task;
|
|
intmax_t task_depth;
|
|
ThreadPool* thread_pool;
|
|
VUserTaskQueue* current_queue;
|
|
TaskStack<VUserTaskQueue*> queue_stack;
|
|
|
|
public:
|
|
// Public functions
|
|
static ThreadData*& GetInstance();
|
|
};
|
|
|
|
//--------------------------------------------------------------------------------------//
|
|
|
|
} // namespace PTL
|