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 * @(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro 30 * @(#)svc_run.c 2.1 88/07/29 4.0 RPCSRC 31 * $FreeBSD: src/lib/libc/rpc/svc_run.c,v 1.10 1999/08/28 00:00:49 peter Exp $ 32 * $DragonFly: src/lib/libc/rpc/svc_run.c,v 1.4 2005/11/13 12:27:04 swildner Exp $ 33 */ 34 35 /* 36 * This is the rpc server side idle loop 37 * Wait for input, call server program. 38 */ 39 #include "namespace.h" 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 #include "un-namespace.h" 49 50 extern int __svc_fdsetsize; 51 extern fd_set *__svc_fdset; 52 53 void 54 svc_run(void) 55 { 56 fd_set *fds; 57 58 for (;;) { 59 if (__svc_fdset) { 60 int bytes = howmany(__svc_fdsetsize, NFDBITS) * 61 sizeof(fd_mask); 62 fds = (fd_set *)malloc(bytes); 63 memcpy(fds, __svc_fdset, bytes); 64 } else 65 fds = NULL; 66 switch (_select(svc_maxfd + 1, fds, NULL, NULL, 67 (struct timeval *)0)) { 68 case -1: 69 if (errno == EINTR) { 70 if (fds) 71 free(fds); 72 continue; 73 } 74 perror("svc_run: - select failed"); 75 if (fds) 76 free(fds); 77 return; 78 case 0: 79 if (fds) 80 free(fds); 81 continue; 82 default: 83 /* if fds == NULL, _select() can't return a result */ 84 svc_getreqset2(fds, svc_maxfd + 1); 85 free(fds); 86 } 87 } 88 } 89