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