svc_run.c revision 239963 
1/*	$NetBSD: svc_run.c,v 1.17 2000/07/06 03:10:35 christos Exp $	*/
2
3/*
4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5 * unrestricted use provided that this legend is included on all tape
6 * media and as a part of the software program in whole or part.  Users
7 * may copy or modify Sun RPC without charge, but are not authorized
8 * to license or distribute it to anyone else except as part of a product or
9 * program developed by the user.
10 *
11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14 *
15 * Sun RPC is provided with no support and without any obligation on the
16 * part of Sun Microsystems, Inc. to assist in its use, correction,
17 * modification or enhancement.
18 *
19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
21 * OR ANY PART THEREOF.
22 *
23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
24 * or profits or other special, indirect and consequential damages, even if
25 * Sun has been advised of the possibility of such damages.
26 *
27 * Sun Microsystems, Inc.
28 * 2550 Garcia Avenue
29 * Mountain View, California  94043
30 */
31
32#if defined(LIBC_SCCS) && !defined(lint)
33static char *sccsid2 = "from: @(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro";
34static char *sccsid = "from: @(#)svc_run.c	2.1 88/07/29 4.0 RPCSRC";
35#endif
36#include <sys/cdefs.h>
37__FBSDID("$FreeBSD: head/lib/libc/rpc/svc_run.c 239963 2012-09-01 02:56:17Z pfg $");
38
39/*
40 * This is the rpc server side idle loop
41 * Wait for input, call server program.
42 */
43#include "namespace.h"
44#include "reentrant.h"
45#include <err.h>
46#include <errno.h>
47#include <rpc/rpc.h>
48#include <stdio.h>
49#include <string.h>
50#include <unistd.h>
51#include "un-namespace.h"
52
53#include <rpc/rpc.h>
54#include "rpc_com.h"
55#include "mt_misc.h"
56
57void
58svc_run()
59{
60	fd_set readfds, cleanfds;
61	struct timeval timeout;
62
63	for (;;) {
64		rwlock_rdlock(&svc_fd_lock);
65		readfds = svc_fdset;
66		cleanfds = svc_fdset;
67		rwlock_unlock(&svc_fd_lock);
68		timeout.tv_sec = 30;
69		timeout.tv_usec = 0;
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()
93{
94	rwlock_wrlock(&svc_fd_lock);
95	FD_ZERO(&svc_fdset);
96	rwlock_unlock(&svc_fd_lock);
97}
98