forked from OSchip/llvm-project
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
//===------------ TaskDispatch.cpp - ORC task dispatch utils --------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ExecutionEngine/Orc/TaskDispatch.h"
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namespace llvm {
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namespace orc {
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char Task::ID = 0;
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char GenericNamedTask::ID = 0;
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const char *GenericNamedTask::DefaultDescription = "Generic Task";
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void Task::anchor() {}
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TaskDispatcher::~TaskDispatcher() {}
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void InPlaceTaskDispatcher::dispatch(std::unique_ptr<Task> T) { T->run(); }
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void InPlaceTaskDispatcher::shutdown() {}
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#if LLVM_ENABLE_THREADS
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void DynamicThreadPoolTaskDispatcher::dispatch(std::unique_ptr<Task> T) {
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{
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std::lock_guard<std::mutex> Lock(DispatchMutex);
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++Outstanding;
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}
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std::thread([this, T = std::move(T)]() mutable {
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T->run();
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std::lock_guard<std::mutex> Lock(DispatchMutex);
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--Outstanding;
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OutstandingCV.notify_all();
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}).detach();
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}
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void DynamicThreadPoolTaskDispatcher::shutdown() {
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std::unique_lock<std::mutex> Lock(DispatchMutex);
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Running = false;
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OutstandingCV.wait(Lock, [this]() { return Outstanding == 0; });
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}
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#endif
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} // namespace orc
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} // namespace llvm
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