1/*	$NetBSD: svc_run.c,v 1.17 2000/07/06 03:10:35 christos Exp $	*/
2
3/*-
4 * Copyright (c) 2009, Sun Microsystems, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * - Redistributions of source code must retain the above copyright notice,
10 *   this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright notice,
12 *   this list of conditions and the following disclaimer in the documentation
13 *   and/or other materials provided with the distribution.
14 * - Neither the name of Sun Microsystems, Inc. nor the names of its
15 *   contributors may be used to endorse or promote products derived
16 *   from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#if defined(LIBC_SCCS) && !defined(lint)
32static char *sccsid2 = "from: @(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro";
33static char *sccsid = "from: @(#)svc_run.c	2.1 88/07/29 4.0 RPCSRC";
34#endif
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD$");
37
38/*
39 * This is the rpc server side idle loop
40 * Wait for input, call server program.
41 */
42#include "namespace.h"
43#include "reentrant.h"
44#include <err.h>
45#include <errno.h>
46#include <rpc/rpc.h>
47#include <stdio.h>
48#include <string.h>
49#include <unistd.h>
50#include "un-namespace.h"
51
52#include <rpc/rpc.h>
53#include "rpc_com.h"
54#include "mt_misc.h"
55
56void
57svc_run(void)
58{
59	fd_set readfds, cleanfds;
60	struct timeval timeout;
61
62	timeout.tv_sec = 30;
63	timeout.tv_usec = 0;
64
65	for (;;) {
66		rwlock_rdlock(&svc_fd_lock);
67		readfds = svc_fdset;
68		cleanfds = svc_fdset;
69		rwlock_unlock(&svc_fd_lock);
70		switch (_select(svc_maxfd+1, &readfds, NULL, NULL, &timeout)) {
71		case -1:
72			FD_ZERO(&readfds);
73			if (errno == EINTR) {
74				continue;
75			}
76			_warn("svc_run: - select failed");
77			return;
78		case 0:
79			__svc_clean_idle(&cleanfds, 30, FALSE);
80			continue;
81		default:
82			svc_getreqset(&readfds);
83		}
84	}
85}
86
87/*
88 *      This function causes svc_run() to exit by telling it that it has no
89 *      more work to do.
90 */
91void
92svc_exit(void)
93{
94	rwlock_wrlock(&svc_fd_lock);
95	FD_ZERO(&svc_fdset);
96	rwlock_unlock(&svc_fd_lock);
97}
98