chromium/third_party/abseil-cpp/absl/synchronization/internal/per_thread_sem.cc

// 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.

// This file is a no-op if the required LowLevelAlloc support is missing.
#include "absl/base/internal/low_level_alloc.h"
#ifndef ABSL_LOW_LEVEL_ALLOC_MISSING

#include "absl/synchronization/internal/per_thread_sem.h"

#include <atomic>

#include "absl/base/attributes.h"
#include "absl/base/internal/thread_identity.h"
#include "absl/synchronization/internal/waiter.h"

namespace absl {
ABSL_NAMESPACE_BEGIN
namespace synchronization_internal {

void PerThreadSem::SetThreadBlockedCounter(std::atomic<int> *counter) { … }

std::atomic<int> *PerThreadSem::GetThreadBlockedCounter() { … }

void PerThreadSem::Tick(base_internal::ThreadIdentity *identity) { … }

}  // namespace synchronization_internal
ABSL_NAMESPACE_END
}  // namespace absl

extern "C" {

ABSL_ATTRIBUTE_WEAK void ABSL_INTERNAL_C_SYMBOL(AbslInternalPerThreadSemInit)(
    absl::base_internal::ThreadIdentity *identity) { … }

ABSL_ATTRIBUTE_WEAK void ABSL_INTERNAL_C_SYMBOL(AbslInternalPerThreadSemPost)(
    absl::base_internal::ThreadIdentity *identity) { … }

ABSL_ATTRIBUTE_WEAK void ABSL_INTERNAL_C_SYMBOL(AbslInternalPerThreadSemPoke)(
    absl::base_internal::ThreadIdentity *identity) { … }

ABSL_ATTRIBUTE_WEAK bool ABSL_INTERNAL_C_SYMBOL(AbslInternalPerThreadSemWait)(
    absl::synchronization_internal::KernelTimeout t) { … }

}  // extern "C"

#endif  // ABSL_LOW_LEVEL_ALLOC_MISSING