1/*	$NetBSD: svc_run.c,v 1.17 2000/07/06 03:10:35 christos Exp $	*/
2
3/*-
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (c) 2009, Sun Microsystems, Inc.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 * - Redistributions of source code must retain the above copyright notice,
12 *   this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above copyright notice,
14 *   this list of conditions and the following disclaimer in the documentation
15 *   and/or other materials provided with the distribution.
16 * - Neither the name of Sun Microsystems, Inc. nor the names of its
17 *   contributors may be used to endorse or promote products derived
18 *   from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*
34 * This is the rpc server side idle loop
35 * Wait for input, call server program.
36 */
37#include "namespace.h"
38#include "reentrant.h"
39#include <err.h>
40#include <errno.h>
41#include <rpc/rpc.h>
42#include <stdio.h>
43#include <string.h>
44#include <unistd.h>
45#include "un-namespace.h"
46
47#include <rpc/rpc.h>
48#include "rpc_com.h"
49#include "mt_misc.h"
50
51void
52svc_run(void)
53{
54	fd_set readfds, cleanfds;
55	struct timeval timeout;
56
57	timeout.tv_sec = 30;
58	timeout.tv_usec = 0;
59
60	for (;;) {
61		rwlock_rdlock(&svc_fd_lock);
62		readfds = svc_fdset;
63		cleanfds = svc_fdset;
64		rwlock_unlock(&svc_fd_lock);
65		switch (_select(svc_maxfd+1, &readfds, NULL, NULL, &timeout)) {
66		case -1:
67			FD_ZERO(&readfds);
68			if (errno == EINTR) {
69				continue;
70			}
71			_warn("svc_run: - select failed");
72			return;
73		case 0:
74			__svc_clean_idle(&cleanfds, 30, FALSE);
75			continue;
76		default:
77			svc_getreqset(&readfds);
78		}
79	}
80}
81
82/*
83 *      This function causes svc_run() to exit by telling it that it has no
84 *      more work to do.
85 */
86void
87svc_exit(void)
88{
89	rwlock_wrlock(&svc_fd_lock);
90	FD_ZERO(&svc_fdset);
91	rwlock_unlock(&svc_fd_lock);
92}
93