mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-21 08:03:41 +08:00
477946a63d
* java/io/FileWriter.java: Merge with Classpath. * java/io/FilterInputStream.java: Ditto. (mark): no longer synchronized (reset): Likewise * java/io/FilterOutputStream.java: Merge with Classpath. * java/io/FilterReader.java: Ditto. (mark): no longer synchronized (reset): Likewise * java/io/FilterWriter.java: Merge with Classpath. * java/io/Writer.java: Ditto. * java/lang/Compiler.java: Ditto. * java/lang/Process.java: Ditto. * java/lang/Void.java: Ditto. * java/net/ContentHandler.java: Ditto. * java/net/DatagramPacket.java: Ditto. * java/net/MulticastSocket.java: Merge comments with Classpath. From-SVN: r45930
107 lines
3.6 KiB
Java
107 lines
3.6 KiB
Java
/* Process.java - Represent spawned system process.
|
|
Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU Classpath.
|
|
|
|
GNU Classpath is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
GNU Classpath is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GNU Classpath; see the file COPYING. If not, write to the
|
|
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA.
|
|
|
|
As a special exception, if you link this library with other files to
|
|
produce an executable, this library does not by itself cause the
|
|
resulting executable to be covered by the GNU General Public License.
|
|
This exception does not however invalidate any other reasons why the
|
|
executable file might be covered by the GNU General Public License. */
|
|
|
|
|
|
package java.lang;
|
|
|
|
import java.io.OutputStream;
|
|
import java.io.InputStream;
|
|
|
|
/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
|
|
*/
|
|
|
|
/**
|
|
* An instance of a subclass of <code>Process</code> is created by the
|
|
* <code>Runtime.exec</code> methods. Methods in <code>Process</code>
|
|
* provide a means to send input to a process, obtain the output from a
|
|
* subprocess, destroy a subprocess, obtain the exit value from a
|
|
* subprocess, and wait for a subprocess to complete.
|
|
*
|
|
* @since JDK 1.0
|
|
*
|
|
* @author Brian Jones
|
|
* @author Tom Tromey <tromey@cygnus.com>
|
|
*/
|
|
public abstract class Process
|
|
{
|
|
/**
|
|
* Empty constructor does nothing.
|
|
*/
|
|
public Process() { }
|
|
|
|
/**
|
|
* Obtain the output stream of the subprocess. It may help to
|
|
* associate this stream as the redirected STDIN file descriptor of
|
|
* the subprocess.
|
|
*/
|
|
public abstract OutputStream getOutputStream();
|
|
|
|
/**
|
|
* Obtain the input stream of the subprocess. It may help to
|
|
* associate this stream as the redirected STDOUT file descriptor of
|
|
* the subprocess.
|
|
*/
|
|
public abstract InputStream getInputStream();
|
|
|
|
/**
|
|
* Obtain the error input stream of the subprocess. It may help to
|
|
* associate this stream as the redirected STDERR file descriptor of
|
|
* the subprocess.
|
|
*/
|
|
public abstract InputStream getErrorStream();
|
|
|
|
/**
|
|
* The thread calling <code>waitFor</code> will block until the subprocess
|
|
* has terminated. If the process has already terminated then the method
|
|
* immediately returns with the exit value of the subprocess.
|
|
*
|
|
* @returns the exit value of the subprocess. A return of <code>0</code>
|
|
* denotes normal process termination by convention.
|
|
*
|
|
* @throws InterruptedException is thrown if another thread interrupts
|
|
* the waiting thread. The waiting thread stops waiting.
|
|
*/
|
|
public abstract int waitFor()
|
|
throws InterruptedException;
|
|
|
|
/**
|
|
* When a process terminates there is associated with that termination
|
|
* an exit value for the process to indicate why it terminated. A return
|
|
* of <code>0</code> denotes normal process termination by convention.
|
|
*
|
|
* @returns the exit value of the subprocess.
|
|
* @throws IllegalThreadStateException is thrown if the subprocess
|
|
* represented by the subclass of this class has not yet terminated.
|
|
*/
|
|
public abstract int exitValue();
|
|
|
|
/**
|
|
* Kills the subprocess and all of its children forcibly.
|
|
*/
|
|
public abstract void destroy();
|
|
|
|
}
|