1 /*- 2 * Copyright (c) 2009, Sun Microsystems, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * - Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * - Redistributions in binary form must reproduce the above copyright notice, 10 * this list of conditions and the following disclaimer in the documentation 11 * and/or other materials provided with the distribution. 12 * - Neither the name of Sun Microsystems, Inc. nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 * 28 * @(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro 29 * @(#)svc_run.c 2.1 88/07/29 4.0 RPCSRC 30 * $NetBSD: svc_run.c,v 1.17 2000/07/06 03:10:35 christos Exp $ 31 * $FreeBSD: src/lib/libc/rpc/svc_run.c,v 1.20 2006/02/27 22:10:59 deischen 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 "reentrant.h" 41 #include <err.h> 42 #include <errno.h> 43 #include <rpc/rpc.h> 44 #include <stdio.h> 45 #include <string.h> 46 #include <unistd.h> 47 #include "un-namespace.h" 48 49 #include <rpc/rpc.h> 50 #include "rpc_com.h" 51 #include "mt_misc.h" 52 53 void 54 svc_run(void) 55 { 56 fd_set readfds, cleanfds; 57 struct timeval timeout; 58 59 timeout.tv_sec = 30; 60 timeout.tv_usec = 0; 61 62 for (;;) { 63 rwlock_rdlock(&svc_fd_lock); 64 readfds = svc_fdset; 65 cleanfds = svc_fdset; 66 rwlock_unlock(&svc_fd_lock); 67 switch (_select(svc_maxfd+1, &readfds, NULL, NULL, &timeout)) { 68 case -1: 69 FD_ZERO(&readfds); 70 if (errno == EINTR) { 71 continue; 72 } 73 _warn("svc_run: - select failed"); 74 return; 75 case 0: 76 __svc_clean_idle(&cleanfds, 30, FALSE); 77 continue; 78 default: 79 svc_getreqset(&readfds); 80 } 81 } 82 } 83 84 /* 85 * This function causes svc_run() to exit by telling it that it has no 86 * more work to do. 87 */ 88 void 89 svc_exit(void) 90 { 91 rwlock_wrlock(&svc_fd_lock); 92 FD_ZERO(&svc_fdset); 93 rwlock_unlock(&svc_fd_lock); 94 } 95