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-rw-r--r--grpc/src/core/lib/iomgr/poller/eventmanager_libuv.cc88
1 files changed, 0 insertions, 88 deletions
diff --git a/grpc/src/core/lib/iomgr/poller/eventmanager_libuv.cc b/grpc/src/core/lib/iomgr/poller/eventmanager_libuv.cc
deleted file mode 100644
index c34430ae..00000000
--- a/grpc/src/core/lib/iomgr/poller/eventmanager_libuv.cc
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- *
- * Copyright 2019 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-#include <grpc/support/port_platform.h>
-
-#include "src/core/lib/iomgr/poller/eventmanager_libuv.h"
-
-#include <grpc/support/time.h>
-
-grpc::experimental::LibuvEventManager::Options::Options() : num_workers_(-1) {}
-grpc::experimental::LibuvEventManager::Options::Options(int num_workers)
- : num_workers_(num_workers) {}
-
-grpc::experimental::LibuvEventManager::LibuvEventManager(const Options& options)
- : options_(options) {
- int num_workers = options_.num_workers();
- // Number of workers can't be 0 if we do not accept thread donation.
- // TODO(guantaol): replaces the hard-coded number with a flag.
- if (num_workers <= 0) num_workers = 32;
-
- for (int i = 0; i < num_workers; i++) {
- workers_.emplace_back(
- options_.thread_name_prefix().c_str(),
- [](void* em) { static_cast<LibuvEventManager*>(em)->RunWorkerLoop(); },
- this);
- workers_.back().Start();
- }
-}
-
-grpc::experimental::LibuvEventManager::~LibuvEventManager() {
- Shutdown();
- for (auto& th : workers_) {
- th.Join();
- }
-}
-
-void grpc::experimental::LibuvEventManager::RunWorkerLoop() {
- while (true) {
- // TODO(guantaol): extend the worker loop with real work.
- if (ShouldStop()) return;
- gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
- gpr_time_from_micros(10, GPR_TIMESPAN)));
- }
-}
-
-bool grpc::experimental::LibuvEventManager::ShouldStop() {
- return should_stop_.Load(grpc_core::MemoryOrder::ACQUIRE) != 0;
-}
-
-void grpc::experimental::LibuvEventManager::Shutdown() {
- if (should_stop_.Load(grpc_core::MemoryOrder::ACQUIRE)) {
- return; // Already shut down.
- }
-
- {
- grpc_core::MutexLock lock(&shutdown_mu_);
- while (shutdown_refcount_.Load(grpc_core::MemoryOrder::ACQUIRE) > 0) {
- shutdown_cv_.Wait(&shutdown_mu_);
- }
- }
- should_stop_.Store(true, grpc_core::MemoryOrder::RELEASE);
-}
-
-void grpc::experimental::LibuvEventManager::ShutdownRef() {
- shutdown_refcount_.FetchAdd(1, grpc_core::MemoryOrder::RELAXED);
-}
-
-void grpc::experimental::LibuvEventManager::ShutdownUnref() {
- if (shutdown_refcount_.FetchSub(1, grpc_core::MemoryOrder::ACQ_REL) == 1) {
- grpc_core::MutexLock lock(&shutdown_mu_);
- shutdown_cv_.Signal();
- }
-}