1 /* $OpenBSD: svc_run.c,v 1.18 2005/12/21 01:40:22 millert 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 <errno.h> 37 #include <unistd.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 42 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