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
51 void
svc_run(void)52 svc_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 */
86 void
svc_exit(void)87 svc_exit(void)
88 {
89 rwlock_wrlock(&svc_fd_lock);
90 FD_ZERO(&svc_fdset);
91 rwlock_unlock(&svc_fd_lock);
92 }
93