os/netware/util_nw.c

/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000-2002 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * Portions of this software are based upon public domain software
 * originally written at the National Center for Supercomputing Applications,
 * University of Illinois, Urbana-Champaign.
 */

#include "httpd.h"
#include "http_log.h"

#include <netware.h>
#include <nks\netware.h>

int nlmUnloadSignaled(int wait);
event_handle_t eh;
Warn_t ref;
Report_t dum;

AP_DECLARE(apr_status_t) ap_os_create_privileged_process(
    const request_rec *r,
    apr_proc_t *newproc, const char *progname,
    const char * const *args,
    const char * const *env,
    apr_procattr_t *attr, apr_pool_t *p)
{
    return apr_proc_create(newproc, progname, args, env, attr, p);
}

int  _NonAppCheckUnload( void )
{
	return nlmUnloadSignaled(1);
}

// down server event callback
void ap_down_server_cb(void *, void *)
{
	nlmUnloadSignaled(0);
    return;
}

// Required place holder event callback
void ap_dummy_cb(void *, void *)
{
    return;
}

// destroy callback resources
void ap_cb_destroy(void *)
{
  // cleanup down event notification
  UnRegisterEventNotification(eh);
  NX_UNWRAP_INTERFACE(ref);
  NX_UNWRAP_INTERFACE(dum);
}

int _NonAppStart
(
    void        *NLMHandle,
    void        *errorScreen,
    const char  *cmdLine,
    const char  *loadDirPath,
    size_t      uninitializedDataLength,
    void        *NLMFileHandle,
    int         (*readRoutineP)( int conn, void *fileHandle, size_t offset,
                    size_t nbytes, size_t *bytesRead, void *buffer ),
    size_t      customDataOffset,
    size_t      customDataSize,
    int         messageCount,
    const char  **messages
)
{
#pragma unused(cmdLine)
#pragma unused(loadDirPath)
#pragma unused(uninitializedDataLength)
#pragma unused(NLMFileHandle)
#pragma unused(readRoutineP)
#pragma unused(customDataOffset)
#pragma unused(customDataSize)
#pragma unused(messageCount)
#pragma unused(messages)

    // register for down server event
    rtag_t rt = AllocateResourceTag(NLMHandle, "Apache2 Down Server Callback",
                                    EventSignature);

    NX_WRAP_INTERFACE((void *)ap_down_server_cb, 2, (void **)&ref);
    NX_WRAP_INTERFACE((void *)ap_dummy_cb, 2, (void **)&dum);
    eh = RegisterForEventNotification(rt, EVENT_DOWN_SERVER,
                                      EVENT_PRIORITY_APPLICATION,
                                      ref, dum, NULL);

    // clean-up
    NXVmRegisterExitHandler(ap_cb_destroy, NULL);

}