folly/folly/system/Pid.cpp

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * 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 <folly/system/Pid.h>

#include <atomic>

#include <glog/logging.h>

#include <folly/portability/Unistd.h>
#include <folly/system/AtFork.h>

namespace folly {

namespace {

enum class State : uint8_t { … };

class PidState { … }; // PidState

class PidCache { … }; // PidCache

static PidCache cache_;

} // namespace

pid_t get_cached_pid() { … }

} // namespace folly