https://tomcat.apache.org/: Interface code to the native connector 
/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (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.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.apache.tomcat.jni;


ProcErrorCallback Interface

Author:Mladen Turk
Deprecated: The scope of the APR/Native Library will be reduced in Tomcat
             10.1.x onwards to only those components required to provide
             OpenSSL integration with the NIO and NIO2 connectors.
/** ProcErrorCallback Interface
 *
 * @author Mladen Turk
 *
 * @deprecated  The scope of the APR/Native Library will be reduced in Tomcat
 *              10.1.x onwards to only those components required to provide
 *              OpenSSL integration with the NIO and NIO2 connectors.
 */
@Deprecated
public interface ProcErrorCallback {

    
Called in the child process if APR encounters an error
in the child prior to running the specified program.

Params:
  • pool – Pool associated with the apr_proc_t.  If your child
            error function needs user data, associate it with this
            pool.
  • err – APR error code describing the error
  • description – Text description of type of processing which failed
/**
     * Called in the child process if APR encounters an error
     * in the child prior to running the specified program.
     * @param pool Pool associated with the apr_proc_t.  If your child
     *             error function needs user data, associate it with this
     *             pool.
     * @param err APR error code describing the error
     * @param description Text description of type of processing which failed
     */
    public void callback(long pool, int err, String description);
}