volume_manager/Process.h

/*
 * Copyright (C) 2008 The Android Open Source Project
 * Copyright (C) 2019 The LineageOS 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.
 */

#ifndef _PROCESS_H
#define _PROCESS_H

class Process {
  public:
    static int killProcessesWithOpenFiles(const char* path, int signal);
    static int getPid(const char* s);
    static int checkSymLink(int pid, const char* path, const char* name);
    static int checkFileMaps(int pid, const char* path);
    static int checkFileMaps(int pid, const char* path, char* openFilename, size_t max);
    static int checkFileDescriptorSymLinks(int pid, const char* mountPoint);
    static int checkFileDescriptorSymLinks(int pid, const char* mountPoint, char* openFilename,
                                           size_t max);
    static void getProcessName(int pid, std::string& out_name);

  private:
    static int readSymLink(const char* path, char* link, size_t max);
    static int pathMatchesMountPoint(const char* path, const char* mountPoint);
};

#endif