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, 107 deletions

diff --git a/third_party/abseil_cpp/absl/base/call_once_test.cc b/third_party/abseil_cpp/absl/base/call_once_test.cc
deleted file mode 100644
index 11d26c44d1a4..000000000000
--- a/third_party/abseil_cpp/absl/base/call_once_test.cc
+++ /dev/null
@@ -1,107 +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.
-
-#include "absl/base/call_once.h"
-
-#include <thread>
-#include <vector>
-
-#include "gtest/gtest.h"
-#include "absl/base/attributes.h"
-#include "absl/base/const_init.h"
-#include "absl/base/thread_annotations.h"
-#include "absl/synchronization/mutex.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-namespace {
-
-absl::once_flag once;
-
-ABSL_CONST_INIT Mutex counters_mu(absl::kConstInit);
-
-int running_thread_count ABSL_GUARDED_BY(counters_mu) = 0;
-int call_once_invoke_count ABSL_GUARDED_BY(counters_mu) = 0;
-int call_once_finished_count ABSL_GUARDED_BY(counters_mu) = 0;
-int call_once_return_count ABSL_GUARDED_BY(counters_mu) = 0;
-bool done_blocking ABSL_GUARDED_BY(counters_mu) = false;
-
-// Function to be called from absl::call_once.  Waits for a notification.
-void WaitAndIncrement() {
-  counters_mu.Lock();
-  ++call_once_invoke_count;
-  counters_mu.Unlock();
-
-  counters_mu.LockWhen(Condition(&done_blocking));
-  ++call_once_finished_count;
-  counters_mu.Unlock();
-}
-
-void ThreadBody() {
-  counters_mu.Lock();
-  ++running_thread_count;
-  counters_mu.Unlock();
-
-  absl::call_once(once, WaitAndIncrement);
-
-  counters_mu.Lock();
-  ++call_once_return_count;
-  counters_mu.Unlock();
-}
-
-// Returns true if all threads are set up for the test.
-bool ThreadsAreSetup(void*) ABSL_EXCLUSIVE_LOCKS_REQUIRED(counters_mu) {
-  // All ten threads must be running, and WaitAndIncrement should be blocked.
-  return running_thread_count == 10 && call_once_invoke_count == 1;
-}
-
-TEST(CallOnceTest, ExecutionCount) {
-  std::vector<std::thread> threads;
-
-  // Start 10 threads all calling call_once on the same once_flag.
-  for (int i = 0; i < 10; ++i) {
-    threads.emplace_back(ThreadBody);
-  }
-
-
-  // Wait until all ten threads have started, and WaitAndIncrement has been
-  // invoked.
-  counters_mu.LockWhen(Condition(ThreadsAreSetup, nullptr));
-
-  // WaitAndIncrement should have been invoked by exactly one call_once()
-  // instance.  That thread should be blocking on a notification, and all other
-  // call_once instances should be blocking as well.
-  EXPECT_EQ(call_once_invoke_count, 1);
-  EXPECT_EQ(call_once_finished_count, 0);
-  EXPECT_EQ(call_once_return_count, 0);
-
-  // Allow WaitAndIncrement to finish executing.  Once it does, the other
-  // call_once waiters will be unblocked.
-  done_blocking = true;
-  counters_mu.Unlock();
-
-  for (std::thread& thread : threads) {
-    thread.join();
-  }
-
-  counters_mu.Lock();
-  EXPECT_EQ(call_once_invoke_count, 1);
-  EXPECT_EQ(call_once_finished_count, 1);
-  EXPECT_EQ(call_once_return_count, 10);
-  counters_mu.Unlock();
-}
-
-}  // namespace
-ABSL_NAMESPACE_END
-}  // namespace absl