svc_run.c revision 92990 
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 *sccsid = "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 92990 2002-03-22 23:18:37Z obrien $");
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
55void
56svc_run()
57{
58	fd_set readfds;
59	extern rwlock_t svc_fd_lock;
60
61	for (;;) {
62		rwlock_rdlock(&svc_fd_lock);
63		readfds = svc_fdset;
64		rwlock_unlock(&svc_fd_lock);
65		switch (_select(svc_maxfd+1, &readfds, NULL, NULL, NULL)) {
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			continue;
75		default:
76			svc_getreqset(&readfds);
77		}
78	}
79}
80
81/*
82 *      This function causes svc_run() to exit by telling it that it has no
83 *      more work to do.
84 */
85void
86svc_exit()
87{
88	extern rwlock_t svc_fd_lock;
89
90	rwlock_wrlock(&svc_fd_lock);
91	FD_ZERO(&svc_fdset);
92	rwlock_unlock(&svc_fd_lock);
93}
94