1 /* $OpenBSD: svc_run.c,v 1.17 2005/09/10 23:04:26 brad Exp $ */
2 /*
3 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
4 * unrestricted use provided that this legend is included on all tape
5 * media and as a part of the software program in whole or part. Users
6 * may copy or modify Sun RPC without charge, but are not authorized
7 * to license or distribute it to anyone else except as part of a product or
8 * program developed by the user.
9 *
10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
13 *
14 * Sun RPC is provided with no support and without any obligation on the
15 * part of Sun Microsystems, Inc. to assist in its use, correction,
16 * modification or enhancement.
17 *
18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20 * OR ANY PART THEREOF.
21 *
22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23 * or profits or other special, indirect and consequential damages, even if
24 * Sun has been advised of the possibility of such damages.
25 *
26 * Sun Microsystems, Inc.
27 * 2550 Garcia Avenue
28 * Mountain View, California 94043
29 */
30
31 /*
32 * This is the rpc server side idle loop
33 * Wait for input, call server program.
34 */
35 #include <rpc/rpc.h>
36 #include <sys/errno.h>
37 #include <unistd.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41
42 void
svc_run(void)43 svc_run(void)
44 {
45 struct pollfd *pfd = NULL, *newp;
46 int nready, saved_max_pollfd = 0;
47
48 for (;;) {
49 if (svc_max_pollfd > saved_max_pollfd) {
50 newp = realloc(pfd, sizeof(*pfd) * svc_max_pollfd);
51 if (newp == NULL) {
52 free(pfd);
53 perror("svc_run"); /* XXX */
54 return; /* XXX */
55 }
56 pfd = newp;
57 saved_max_pollfd = svc_max_pollfd;
58 }
59 memcpy(pfd, svc_pollfd, sizeof(*pfd) * svc_max_pollfd);
60
61 nready = poll(pfd, svc_max_pollfd, INFTIM);
62 switch (nready) {
63 case -1:
64 if (errno == EINTR)
65 continue;
66 perror("svc_run: - poll failed"); /* XXX */
67 free(pfd);
68 return; /* XXX */
69 case 0:
70 continue;
71 default:
72 svc_getreq_poll(pfd, nready);
73 }
74 }
75 }
76