xref: /aosp_15_r20/system/unwinding/libunwindstack/utils/PidUtils.h (revision eb293b8f56ee8303637c5595cfcdeef8039e85c6)

/*
 * Copyright (C) 2022 The Android Open Source Project
 *
 * 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.
 */

#pragma once

#include <stdint.h>
#include <sys/types.h>

#include <functional>

namespace unwindstack {

enum PidRunEnum : uint8_t {
  PID_RUN_KEEP_GOING,
  PID_RUN_PASS,
  PID_RUN_FAIL,
};

bool Quiesce(pid_t pid);

bool Attach(pid_t pid);

bool Detach(pid_t pid);

bool WaitForPidState(pid_t pid, const std::function<PidRunEnum()>& state_check_func);

bool WaitForPidStateAfterAttach(pid_t pid, const std::function<PidRunEnum()>& state_check_func);

}  // namespace unwindstack