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#if defined(LIBC_SCCS) && !defined(lint)
34static char *sccsid2 = "from: @(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro";
35static char *sccsid = "from: @(#)svc_run.c	2.1 88/07/29 4.0 RPCSRC";
36#endif
37#include <sys/cdefs.h>
38__FBSDID("$FreeBSD$");
39
40/*
41 * This is the rpc server side idle loop
42 * Wait for input, call server program.
43 */
44#include "namespace.h"
45#include "reentrant.h"
46#include <err.h>
47#include <errno.h>
48#include <rpc/rpc.h>
49#include <stdio.h>
50#include <string.h>
51#include <unistd.h>
52#include "un-namespace.h"
53
54#include <rpc/rpc.h>
55#include "rpc_com.h"
56#include "mt_misc.h"
57
58void
59svc_run(void)
60{
61	fd_set readfds, cleanfds;
62	struct timeval timeout;
63
64	timeout.tv_sec = 30;
65	timeout.tv_usec = 0;
66
67	for (;;) {
68		rwlock_rdlock(&svc_fd_lock);
69		readfds = svc_fdset;
70		cleanfds = svc_fdset;
71		rwlock_unlock(&svc_fd_lock);
72		switch (_select(svc_maxfd+1, &readfds, NULL, NULL, &timeout)) {
73		case -1:
74			FD_ZERO(&readfds);
75			if (errno == EINTR) {
76				continue;
77			}
78			_warn("svc_run: - select failed");
79			return;
80		case 0:
81			__svc_clean_idle(&cleanfds, 30, FALSE);
82			continue;
83		default:
84			svc_getreqset(&readfds);
85		}
86	}
87}
88
89/*
90 *      This function causes svc_run() to exit by telling it that it has no
91 *      more work to do.
92 */
93void
94svc_exit(void)
95{
96	rwlock_wrlock(&svc_fd_lock);
97	FD_ZERO(&svc_fdset);
98	rwlock_unlock(&svc_fd_lock);
99}
100