1 /* $NetBSD: svc_run.c,v 1.17 2000/07/06 03:10:35 christos Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 * Copyright (c) 2009, Sun Microsystems, Inc. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions are met: 11 * - Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * - Redistributions in binary form must reproduce the above copyright notice, 14 * this list of conditions and the following disclaimer in the documentation 15 * and/or other materials provided with the distribution. 16 * - Neither the name of Sun Microsystems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * This is the rpc server side idle loop 35 * Wait for input, call server program. 36 */ 37 #include "namespace.h" 38 #include "reentrant.h" 39 #include <err.h> 40 #include <errno.h> 41 #include <rpc/rpc.h> 42 #include <stdio.h> 43 #include <string.h> 44 #include <unistd.h> 45 #include "un-namespace.h" 46 47 #include <rpc/rpc.h> 48 #include "rpc_com.h" 49 #include "mt_misc.h" 50 51 void 52 svc_run(void) 53 { 54 fd_set readfds, cleanfds; 55 struct timeval timeout; 56 57 timeout.tv_sec = 30; 58 timeout.tv_usec = 0; 59 60 for (;;) { 61 rwlock_rdlock(&svc_fd_lock); 62 readfds = svc_fdset; 63 cleanfds = svc_fdset; 64 rwlock_unlock(&svc_fd_lock); 65 switch (_select(svc_maxfd+1, &readfds, NULL, NULL, &timeout)) { 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 __svc_clean_idle(&cleanfds, 30, FALSE); 75 continue; 76 default: 77 svc_getreqset(&readfds); 78 } 79 } 80 } 81 82 /* 83 * This function causes svc_run() to exit by telling it that it has no 84 * more work to do. 85 */ 86 void 87 svc_exit(void) 88 { 89 rwlock_wrlock(&svc_fd_lock); 90 FD_ZERO(&svc_fdset); 91 rwlock_unlock(&svc_fd_lock); 92 } 93