mirror of git://git.sv.gnu.org/emacs.git
60 lines
1.6 KiB
Java
60 lines
1.6 KiB
Java
/* Communication module for Android terminals. -*- c-file-style: "GNU" -*-
|
|
|
|
Copyright (C) 2023-2024 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU Emacs.
|
|
|
|
GNU Emacs 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 3 of the License, or (at
|
|
your option) any later version.
|
|
|
|
GNU Emacs 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 Emacs. If not, see <https://www.gnu.org/licenses/>. */
|
|
|
|
package org.gnu.emacs;
|
|
|
|
import java.lang.IllegalStateException;
|
|
|
|
/* This defines something that is a so-called ``handle''. Handles
|
|
must be created by C code, and will remain existing until
|
|
destroyHandle is called. C code then refers to the handle by a
|
|
number which maps into the Java object representing the handle.
|
|
|
|
All handle operations must be done from the Emacs thread. */
|
|
|
|
public abstract class EmacsHandleObject
|
|
{
|
|
/* Whether or not this handle has been destroyed. */
|
|
volatile boolean destroyed;
|
|
|
|
/* The handle associated with this object. */
|
|
public short handle;
|
|
|
|
public
|
|
EmacsHandleObject (short handle)
|
|
{
|
|
this.handle = handle;
|
|
}
|
|
|
|
public void
|
|
destroyHandle () throws IllegalStateException
|
|
{
|
|
synchronized (this)
|
|
{
|
|
destroyed = true;
|
|
}
|
|
}
|
|
|
|
public boolean
|
|
isDestroyed ()
|
|
{
|
|
return destroyed;
|
|
}
|
|
};
|