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/***** BEGIN LICENSE BLOCK *****
* Version: EPL 1.0/GPL 2.0/LGPL 2.1
*
* Copyright (C) 2007-2011 JRuby Team <team@jruby.org>
*
* The contents of this file are subject to the Eclipse Public
* License Version 1.0 (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.eclipse.org/legal/epl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the EPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the EPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
package org.jruby.util;
import jnr.ffi.*;
import jnr.ffi.LibraryOption;
import java.util.HashMap;
import java.util.Map;
/**
* A binding of a few key win32 functions we need to behave properly.
*/
public class WindowsFFI {
public static interface Kernel32 {
int GetProcessId(int handle);
}
private static final class SingletonHolder {
static final Kernel32 Kernel32;
static {
Map<LibraryOption, Object> options = new HashMap<LibraryOption, Object>();
options.put(LibraryOption.CallingConvention, CallingConvention.STDCALL);
Kernel32 = Library.loadLibrary("Kernel32.dll", Kernel32.class, options);
}
}
public static Kernel32 getKernel32() {
return SingletonHolder.Kernel32;
}
}