/*
 * Copyright (c) 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * - Redistribution of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
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 * - Redistribution in binary form must reproduce the above copyright
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 *   documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of Sun Microsystems, Inc. or the names of
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
 * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
 * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
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 * You acknowledge that this software is not designed or intended for use
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 * Sun gratefully acknowledges that this software was originally authored
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 */

package com.jogamp.common.os;

import jogamp.common.Debug;

/** Interface callers may use ProcAddressHelper's 
 * {@link com.jogamp.gluegen.runtime.ProcAddressTable#reset(com.jogamp.common.os.DynamicLookupHelper) reset}
 *  helper method to install function pointers into a
 *  ProcAddressTable. This must typically be written with native
 *  code. */
public interface DynamicLookupHelper {
  public static final boolean DEBUG = Debug.debug("NativeLibrary");
  public static final boolean DEBUG_LOOKUP = Debug.debug("NativeLibrary.Lookup");
  
  /**
   * Returns the function handle for function 'funcName'.
   */
  public long dynamicLookupFunction(String funcName);
  
  /**
   * Queries whether function 'funcName' is available.
   */
  public boolean isFunctionAvailable(String funcName);
}