1/* $NetBSD: svc_run.c,v 1.19 2003/01/18 11:29:07 thorpej Exp $ */ 2 3/* 4 * Copyright (c) 2010, Oracle America, Inc. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials 15 * provided with the distribution. 16 * * Neither the name of the "Oracle America, 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 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35#if defined(LIBC_SCCS) && !defined(lint) 36#if 0 37static char *sccsid = "@(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro"; 38static char *sccsid = "@(#)svc_run.c 2.1 88/07/29 4.0 RPCSRC"; 39#else 40__RCSID("$NetBSD: svc_run.c,v 1.19 2003/01/18 11:29:07 thorpej Exp $"); 41#endif 42#endif 43 44/* 45 * This is the rpc server side idle loop 46 * Wait for input, call server program. 47 */ 48#include "namespace.h" 49#include "reentrant.h" 50#include <err.h> 51#include <errno.h> 52#include <stdio.h> 53#include <string.h> 54#include <unistd.h> 55 56#include <rpc/rpc.h> 57 58#include "rpc_internal.h" 59 60#ifdef __weak_alias 61__weak_alias(svc_run,_svc_run) 62__weak_alias(svc_exit,_svc_exit) 63#endif 64 65void 66svc_run() 67{ 68 fd_set readfds, cleanfds; 69 struct timeval timeout; 70#ifdef _REENTRANT 71 extern rwlock_t svc_fd_lock; 72#endif 73 74 timeout.tv_sec = 30; 75 timeout.tv_usec = 0; 76 77 for (;;) { 78 rwlock_rdlock(&svc_fd_lock); 79 readfds = svc_fdset; 80 cleanfds = svc_fdset; 81 rwlock_unlock(&svc_fd_lock); 82 switch (select(svc_maxfd+1, &readfds, NULL, NULL, &timeout)) { 83 case -1: 84 if (errno == EINTR) { 85 continue; 86 } 87 warn("svc_run: - select failed"); 88 return; 89 case 0: 90 __svc_clean_idle(&cleanfds, 30, FALSE); 91 continue; 92 default: 93 svc_getreqset(&readfds); 94 } 95 } 96} 97 98/* 99 * This function causes svc_run() to exit by telling it that it has no 100 * more work to do. 101 */ 102void 103svc_exit() 104{ 105#ifdef _REENTRANT 106 extern rwlock_t svc_fd_lock; 107#endif 108 109 rwlock_wrlock(&svc_fd_lock); 110 FD_ZERO(&svc_fdset); 111 rwlock_unlock(&svc_fd_lock); 112} 113