svc_run.c revision 26221
1/* 2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 3 * unrestricted use provided that this legend is included on all tape 4 * media and as a part of the software program in whole or part. Users 5 * may copy or modify Sun RPC without charge, but are not authorized 6 * to license or distribute it to anyone else except as part of a product or 7 * program developed by the user. 8 * 9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 12 * 13 * Sun RPC is provided with no support and without any obligation on the 14 * part of Sun Microsystems, Inc. to assist in its use, correction, 15 * modification or enhancement. 16 * 17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 19 * OR ANY PART THEREOF. 20 * 21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 22 * or profits or other special, indirect and consequential damages, even if 23 * Sun has been advised of the possibility of such damages. 24 * 25 * Sun Microsystems, Inc. 26 * 2550 Garcia Avenue 27 * Mountain View, California 94043 28 */ 29 30#if defined(LIBC_SCCS) && !defined(lint) 31/*static char *sccsid = "from: @(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro";*/ 32/*static char *sccsid = "from: @(#)svc_run.c 2.1 88/07/29 4.0 RPCSRC";*/ 33static char *rcsid = "$Id: svc_run.c,v 1.4 1996/12/30 15:14:29 peter Exp $"; 34#endif 35 36/* 37 * This is the rpc server side idle loop 38 * Wait for input, call server program. 39 */ 40#include <rpc/rpc.h> 41#include <stdio.h> 42#include <sys/errno.h> 43#include <sys/types.h> 44#include <sys/time.h> 45#include <unistd.h> 46#include <stdlib.h> 47#include <string.h> 48 49extern int __svc_fdsetsize; 50extern fd_set *__svc_fdset; 51 52void 53svc_run() 54{ 55 fd_set *fds; 56 57 for (;;) { 58 if (__svc_fdset) { 59 int bytes = howmany(__svc_fdsetsize, NFDBITS) * 60 sizeof(fd_mask); 61 fds = (fd_set *)malloc(bytes); 62 memcpy(fds, __svc_fdset, bytes); 63 } else 64 fds = NULL; 65 switch (select(svc_maxfd + 1, fds, NULL, NULL, 66 (struct timeval *)0)) { 67 case -1: 68 if (errno == EINTR) { 69 if (fds) 70 free(fds); 71 continue; 72 } 73 perror("svc_run: - select failed"); 74 if (fds) 75 free(fds); 76 return; 77 case 0: 78 if (fds) 79 free(fds); 80 continue; 81 default: 82 /* XXX What the hell?? what if fds == NULL?? */ 83 svc_getreqset2(fds, svc_maxfd + 1); 84 free(fds); 85 } 86 } 87} 88