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1 /*
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2 * Copyright (C) 2007 The Android Open Source Project
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3 *
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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7 *
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8 * http://www.apache.org/licenses/LICENSE-2.0
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9 *
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10 * Unless required by applicable law or agreed to in writing, software
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 * See the License for the specific language governing permissions and
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14 * limitations under the License.
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15 */
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16
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17 package com.google.ase;
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18
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19 import java.io.FileDescriptor;
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20
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21 /**
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22 * Tools for executing commands.
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23 */
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24 public class Exec {
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25 /**
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26 * @param cmd
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27 * The command to execute
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28 * @param arg0
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29 * The first argument to the command, may be null
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30 * @param arg1
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31 * the second argument to the command, may be null
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32 * @return the file descriptor of the started process.
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33 *
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34 */
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35 public static FileDescriptor createSubprocess(String cmd, String arg0, String arg1) {
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36 return createSubprocess(cmd, arg0, arg1, null);
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37 }
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38
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39 /**
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40 * @param cmd
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41 * The command to execute
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42 * @param arg0
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43 * The first argument to the command, may be null
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44 * @param arg1
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45 * the second argument to the command, may be null
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46 * @param processId
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47 * A one-element array to which the process ID of the started process will be written.
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48 * @return the file descriptor of the started process.
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49 *
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50 */
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51 public static native FileDescriptor createSubprocess(String cmd, String arg0, String arg1,
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52 int[] processId);
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53
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54 public static native void setPtyWindowSize(FileDescriptor fd, int row, int col, int xpixel,
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55 int ypixel);
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56
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57 /**
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58 * Causes the calling thread to wait for the process associated with the receiver to finish
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59 * executing.
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60 *
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61 * @return The exit value of the Process being waited on
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62 *
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63 */
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64 public static native int waitFor(int processId);
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65
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66 static {
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67 System.loadLibrary("com_google_ase_Exec");
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68 }
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69 }
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