xref: /freebsd/lib/libc/rpc/svc_run.c (revision 71fe318b852b8dfb3e799cb12ef184750f7f8eac)
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)
33 static char *sccsid = "from: @(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro";
34 static char *sccsid = "from: @(#)svc_run.c	2.1 88/07/29 4.0 RPCSRC";
35 #endif
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
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 
55 void
56 svc_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  */
85 void
86 svc_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