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Applied thread pool implementation from Windows platform

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PiperOrigin-RevId: 449385710
This commit is contained in:
guogang
2022-05-17 21:02:00 -07:00
committed by Copybara-Service
parent 412f9e0752
commit 4aee0b681c
11 changed files with 366 additions and 752 deletions
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internal/platform/implementation/windows/executor.cc
+11 -34
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@@ -14,64 +14,41 @@
#include "internal/platform/implementation/windows/executor.h"
#include "internal/platform/implementation/windows/generated/winrt/Windows.System.Threading.Core.h"
#include "internal/platform/implementation/windows/generated/winrt/Windows.System.Threading.h"
#include "internal/platform/implementation/windows/runner.h"
#include "internal/platform/implementation/windows/thread_pool.h"
#include <cassert>
#include "internal/platform/logging.h"
namespace location {
namespace nearby {
namespace windows {
Executor::Executor() : Executor(1) {
// Call thread pool creator
}
Executor::Executor() : Executor(1) {}
Executor::Executor(int32_t max_concurrency)
: thread_pool_(std::make_unique<ThreadPool>(max_concurrency, false)),
executor_state_(ExecutorState::NotReady),
max_concurrency_(max_concurrency) {
if (max_concurrency_ < 1) {
throw(std::invalid_argument("max_concurrency"));
}
InitializeThreadPool();
: max_concurrency_(max_concurrency) {
assert(max_concurrency_ >= 1);
thread_pool_ = ThreadPool::Create(max_concurrency);
assert(thread_pool_ != nullptr);
}
bool Executor::InitializeThreadPool() {
if (executor_state_ != ExecutorState::NotReady) {
// To create a new pool, destroy the existing one first
return false;
}
thread_pool_->SetPoolSize(max_concurrency_);
thread_pool_->Create();
executor_state_ = ExecutorState::Ready;
return true;
}
// https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Executor.html#execute-java.lang.Runnable-
void Executor::Execute(Runnable&& runnable) {
if (shut_down_) {
NEARBY_LOGS(VERBOSE) << "Warning: " << __func__
<< ": Attempt to execute on a shut down pool.";
<< ": Attempt to execute on a shut down pool.";
return;
}
if (runnable == nullptr) {
NEARBY_LOGS(VERBOSE) << "Error: " << __func__ << "Runnable was null.";
NEARBY_LOGS(ERROR) << __func__ << ": Runnable was null.";
return;
}
std::unique_ptr<Runner> runner = std::make_unique<Runner>(runnable);
thread_pool_->Run(std::move(runner));
thread_pool_->Run(std::move(runnable));
}
// https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html#shutdown--
void Executor::Shutdown() {
shut_down_ = true;
thread_pool_->ShutDown();
thread_pool_ = nullptr;
}