chore(3p/abseil_cpp): unvendor abseil_cpp r/3786

we weren't actually using these sources anymore, okay?

Change-Id: If701571d9716de308d3512e1eb22c35db0877a66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>

1 files changed, 0 insertions, 93 deletions

diff --git a/third_party/abseil_cpp/absl/synchronization/internal/thread_pool.h b/third_party/abseil_cpp/absl/synchronization/internal/thread_pool.h
deleted file mode 100644
index 0cb96dacde83..000000000000
--- a/third_party/abseil_cpp/absl/synchronization/internal/thread_pool.h
+++ /dev/null
@@ -1,93 +0,0 @@
-// Copyright 2017 The Abseil 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
-//
-//      https://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.
-
-#ifndef ABSL_SYNCHRONIZATION_INTERNAL_THREAD_POOL_H_
-#define ABSL_SYNCHRONIZATION_INTERNAL_THREAD_POOL_H_
-
-#include <cassert>
-#include <cstddef>
-#include <functional>
-#include <queue>
-#include <thread>  // NOLINT(build/c++11)
-#include <vector>
-
-#include "absl/base/thread_annotations.h"
-#include "absl/synchronization/mutex.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-namespace synchronization_internal {
-
-// A simple ThreadPool implementation for tests.
-class ThreadPool {
- public:
-  explicit ThreadPool(int num_threads) {
-    for (int i = 0; i < num_threads; ++i) {
-      threads_.push_back(std::thread(&ThreadPool::WorkLoop, this));
-    }
-  }
-
-  ThreadPool(const ThreadPool &) = delete;
-  ThreadPool &operator=(const ThreadPool &) = delete;
-
-  ~ThreadPool() {
-    {
-      absl::MutexLock l(&mu_);
-      for (size_t i = 0; i < threads_.size(); i++) {
-        queue_.push(nullptr);  // Shutdown signal.
-      }
-    }
-    for (auto &t : threads_) {
-      t.join();
-    }
-  }
-
-  // Schedule a function to be run on a ThreadPool thread immediately.
-  void Schedule(std::function<void()> func) {
-    assert(func != nullptr);
-    absl::MutexLock l(&mu_);
-    queue_.push(std::move(func));
-  }
-
- private:
-  bool WorkAvailable() const ABSL_EXCLUSIVE_LOCKS_REQUIRED(mu_) {
-    return !queue_.empty();
-  }
-
-  void WorkLoop() {
-    while (true) {
-      std::function<void()> func;
-      {
-        absl::MutexLock l(&mu_);
-        mu_.Await(absl::Condition(this, &ThreadPool::WorkAvailable));
-        func = std::move(queue_.front());
-        queue_.pop();
-      }
-      if (func == nullptr) {  // Shutdown signal.
-        break;
-      }
-      func();
-    }
-  }
-
-  absl::Mutex mu_;
-  std::queue<std::function<void()>> queue_ ABSL_GUARDED_BY(mu_);
-  std::vector<std::thread> threads_;
-};
-
-}  // namespace synchronization_internal
-ABSL_NAMESPACE_END
-}  // namespace absl
-
-#endif  // ABSL_SYNCHRONIZATION_INTERNAL_THREAD_POOL_H_