chromium/third_party/grpc/src/src/core/lib/promise/activity.cc

// Copyright 2021 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/promise/activity.h"

#include <stddef.h>

#include <initializer_list>

#include "absl/strings/str_format.h"

#include "src/core/lib/gprpp/atomic_utils.h"

namespace grpc_core {

///////////////////////////////////////////////////////////////////////////////
// GLOBALS

thread_local Activity* Activity::g_current_activity_{ … };

namespace promise_detail {

///////////////////////////////////////////////////////////////////////////////
// HELPER TYPES

std::string Unwakeable::ActivityDebugTag(void*) const { … }

// Weak handle to an Activity.
// Handle can persist while Activity goes away.
class FreestandingActivity::Handle final : public Wakeable { … };

///////////////////////////////////////////////////////////////////////////////
// ACTIVITY IMPLEMENTATION

bool FreestandingActivity::RefIfNonzero() { … }

FreestandingActivity::Handle* FreestandingActivity::RefHandle() { … }

void FreestandingActivity::DropHandle() { … }

Waker FreestandingActivity::MakeNonOwningWaker() { … }

}  // namespace promise_detail

std::string Activity::DebugTag() const { … }

}  // namespace grpc_core