81 lines
1.9 KiB
Java
81 lines
1.9 KiB
Java
// PosixProcess.java - Subclass of Process for POSIX systems.
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/* Copyright (C) 1998, 1999 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package java.lang;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.IOException;
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/**
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* @author Tom Tromey <tromey@cygnus.com>
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* @date May 3, 1999
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*/
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// This is entirely internal to our implementation.
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// This file is copied to `ConcreteProcess.java' before compilation.
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// Hence the class name apparently does not match the file name.
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final class ConcreteProcess extends Process
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{
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public native void destroy ();
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public int exitValue ()
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{
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if (! hasExited)
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throw new IllegalThreadStateException("Process has not exited");
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return status;
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}
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public InputStream getErrorStream ()
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{
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return errorStream;
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}
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public InputStream getInputStream ()
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{
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return inputStream;
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}
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public OutputStream getOutputStream ()
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{
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return outputStream;
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}
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public native int waitFor () throws InterruptedException;
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// This is used for actual initialization, as we can't write a
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// native constructor.
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public native void startProcess (String[] progarray, String[] envp)
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throws IOException;
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// This file is copied to `ConcreteProcess.java' before
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// compilation. Hence the constructor name apparently does not
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// match the file name.
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public ConcreteProcess (String[] progarray, String[] envp) throws IOException
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{
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startProcess (progarray, envp);
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}
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// The process id. This is cast to a pid_t on the native side.
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private long pid;
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// True when child has exited.
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private boolean hasExited;
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// The exit status, if the child has exited.
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private int status;
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// The streams.
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private InputStream errorStream;
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private InputStream inputStream;
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private OutputStream outputStream;
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}
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