/*      $NetBSD: svc_run.c,v 1.17 2000/07/06 03:10:35 christos Exp $    */

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 2009, 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:
 * - Redistributions of source code must retain the above copyright notice, 
 *   this list of conditions and the following disclaimer.
 * - 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.
 * - Neither the name of Sun Microsystems, Inc. nor the names of its 
 *   contributors may be used to endorse or promote products derived 
 *   from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS 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 COPYRIGHT HOLDER OR 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 is the rpc server side idle loop
 * Wait for input, call server program.
 */
#include "namespace.h"
#include "reentrant.h"
#include <err.h>
#include <errno.h>
#include <rpc/rpc.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "un-namespace.h"

#include <rpc/rpc.h>
#include "rpc_com.h"
#include "mt_misc.h"

void
svc_run(void)
{
        fd_set readfds, cleanfds;
        struct timeval timeout;

        timeout.tv_sec = 30;
        timeout.tv_usec = 0;

        for (;;) {
                rwlock_rdlock(&svc_fd_lock);
                readfds = svc_fdset;
                cleanfds = svc_fdset;
                rwlock_unlock(&svc_fd_lock);
                switch (_select(svc_maxfd+1, &readfds, NULL, NULL, &timeout)) {
                case -1:
                        FD_ZERO(&readfds);
                        if (errno == EINTR) {
                                continue;
                        }
                        _warn("svc_run: - select failed");
                        return;
                case 0:
                        __svc_clean_idle(&cleanfds, 30, FALSE);
                        continue;
                default:
                        svc_getreqset(&readfds);
                }
        }
}

/*
 *      This function causes svc_run() to exit by telling it that it has no
 *      more work to do.
 */
void
svc_exit(void)
{
        rwlock_wrlock(&svc_fd_lock);
        FD_ZERO(&svc_fdset);
        rwlock_unlock(&svc_fd_lock);
}