| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| //////////////////////////////////////////////////////////////////// |
| // |
| // Utility functions for getting metadata about a process |
| // |
| ///////////////////////////////////////////////////////////////////// |
| |
| #if !defined(__PROCESS_UTILS_H) |
| #define __PROCESS_UTILS_H |
| |
| #include <sys/types.h> |
| #include "basics/sptypes.h" |
| |
| struct rusage; |
| |
| class ProcessUtils { |
| public: |
| // get the PID of the process |
| static pid_t getPid(); |
| |
| // get the resource usage of the process |
| static int getResourceUsage(struct rusage *usage); |
| |
| // get the total amount of memory used by the process |
| static size_t getTotalMemoryUsed(); |
| |
| // get working directory |
| static sp_string getCurrentWorkingDirectory(); |
| }; |
| |
| #endif |