| /* |
| * Copyright 2011 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. |
| */ |
| |
| package android.security.cts; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileReader; |
| import java.io.IOException; |
| |
| /** |
| * Utilities for accessing /proc filesystem information. |
| */ |
| public class Proc { |
| public static int findPidFor(String executable) throws IOException { |
| File f = new File("/proc"); |
| for (File d : f.listFiles()) { |
| String cmdLineString = d.getAbsolutePath() + "/cmdline"; |
| File cmdLine = new File(cmdLineString); |
| if (cmdLine.exists()) { |
| BufferedReader in = null; |
| try { |
| in = new BufferedReader(new FileReader(cmdLine)); |
| String line = in.readLine(); |
| if ((line != null) && line.startsWith(executable)) { |
| return Integer.decode(d.getName()); |
| } |
| } finally { |
| if (in != null) { |
| in.close(); |
| } |
| } |
| } |
| } |
| throw new RuntimeException("should never get here"); |
| } |
| } |