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 #include <sys/cdefs.h> 33 #if defined(LIBC_SCCS) && !defined(lint) 34 #if 0 35 static char *sccsid = "@(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro"; 36 static char *sccsid = "@(#)svc_run.c 2.1 88/07/29 4.0 RPCSRC"; 37 #else 38 __RCSID("$NetBSD: svc_run.c,v 1.17 2000/07/06 03:10:35 christos Exp $"); 39 #endif 40 #endif 41 42 /* 43 * This is the rpc server side idle loop 44 * Wait for input, call server program. 45 */ 46 #include "namespace.h" 47 #include "reentrant.h" 48 #include <err.h> 49 #include <errno.h> 50 #include <stdio.h> 51 #include <string.h> 52 #include <unistd.h> 53 54 #include <rpc/rpc.h> 55 56 #ifdef __weak_alias 57 __weak_alias(svc_run,_svc_run) 58 __weak_alias(svc_exit,_svc_exit) 59 #endif 60 61 void 62 svc_run() 63 { 64 fd_set readfds; 65 #ifdef __REENT 66 extern rwlock_t svc_fd_lock; 67 #endif 68 69 for (;;) { 70 rwlock_rdlock(&svc_fd_lock); 71 readfds = svc_fdset; 72 rwlock_unlock(&svc_fd_lock); 73 switch (select(svc_maxfd+1, &readfds, NULL, NULL, NULL)) { 74 case -1: 75 if (errno == EINTR) { 76 continue; 77 } 78 warn("svc_run: - select failed"); 79 return; 80 case 0: 81 continue; 82 default: 83 svc_getreqset(&readfds); 84 } 85 } 86 } 87 88 /* 89 * This function causes svc_run() to exit by telling it that it has no 90 * more work to do. 91 */ 92 void 93 svc_exit() 94 { 95 #ifdef __REENT 96 extern rwlock_t svc_fd_lock; 97 #endif 98 99 rwlock_wrlock(&svc_fd_lock); 100 FD_ZERO(&svc_fdset); 101 rwlock_unlock(&svc_fd_lock); 102 } 103