mt_misc.c revision 1.4
1 /* $NetBSD: mt_misc.c,v 1.4 2004/05/28 14:39:07 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Frank van der Linden. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Define and initialize MT data for libnsl. 41 * The _libnsl_lock_init() function below is the library's .init handler. 42 */ 43 44 /* #pragma ident "@(#)mt_misc.c 1.24 93/04/29 SMI" */ 45 46 #include <sys/cdefs.h> 47 #if defined(LIBC_SCCS) && !defined(lint) 48 __RCSID("$NetBSD: mt_misc.c,v 1.4 2004/05/28 14:39:07 christos Exp $"); 49 #endif 50 51 #include "reentrant.h" 52 #include <rpc/rpc.h> 53 #include <sys/time.h> 54 #include <stdlib.h> 55 #include <string.h> 56 57 #ifdef _REENTRANT 58 59 /* protects the services list (svc.c) */ 60 rwlock_t svc_lock = RWLOCK_INITIALIZER; 61 /* protects svc_fdset and the xports[] array */ 62 rwlock_t svc_fd_lock = RWLOCK_INITIALIZER; 63 /* protects the RPCBIND address cache */ 64 rwlock_t rpcbaddr_cache_lock = RWLOCK_INITIALIZER; 65 66 /* protects authdes cache (svcauth_des.c) */ 67 mutex_t authdes_lock = MUTEX_INITIALIZER; 68 /* auth_none.c serialization */ 69 mutex_t authnone_lock = MUTEX_INITIALIZER; 70 /* protects the Auths list (svc_auth.c) */ 71 mutex_t authsvc_lock = MUTEX_INITIALIZER; 72 /* protects client-side fd lock array */ 73 mutex_t clnt_fd_lock = MUTEX_INITIALIZER; 74 /* clnt_raw.c serialization */ 75 mutex_t clntraw_lock = MUTEX_INITIALIZER; 76 /* domainname and domain_fd (getdname.c) and default_domain (rpcdname.c) */ 77 mutex_t dname_lock = MUTEX_INITIALIZER; 78 /* dupreq variables (svc_dg.c) */ 79 mutex_t dupreq_lock = MUTEX_INITIALIZER; 80 /* protects first_time and hostname (key_call.c) */ 81 mutex_t keyserv_lock = MUTEX_INITIALIZER; 82 /* serializes rpc_trace() (rpc_trace.c) */ 83 mutex_t libnsl_trace_lock = MUTEX_INITIALIZER; 84 /* loopnconf (rpcb_clnt.c) */ 85 mutex_t loopnconf_lock = MUTEX_INITIALIZER; 86 /* serializes ops initializations */ 87 mutex_t ops_lock = MUTEX_INITIALIZER; 88 /* protects ``port'' static in bindresvport() */ 89 mutex_t portnum_lock = MUTEX_INITIALIZER; 90 /* protects proglst list (svc_simple.c) */ 91 mutex_t proglst_lock = MUTEX_INITIALIZER; 92 /* serializes clnt_com_create() (rpc_soc.c) */ 93 mutex_t rpcsoc_lock = MUTEX_INITIALIZER; 94 /* svc_raw.c serialization */ 95 mutex_t svcraw_lock = MUTEX_INITIALIZER; 96 /* xprtlist (svc_generic.c) */ 97 mutex_t xprtlist_lock = MUTEX_INITIALIZER; 98 /* serializes calls to public key routines */ 99 mutex_t serialize_pkey = MUTEX_INITIALIZER; 100 101 #endif /* _REENTRANT */ 102 103 104 #undef rpc_createerr 105 106 struct rpc_createerr rpc_createerr; 107 108 #ifdef _REENTRANT 109 static thread_key_t rce_key; 110 static once_t rce_once = ONCE_INITIALIZER; 111 112 static void 113 __rpc_createerr_setup(void) 114 { 115 116 thr_keycreate(&rce_key, free); 117 } 118 #endif /* _REENTRANT */ 119 120 struct rpc_createerr* 121 __rpc_createerr() 122 { 123 #ifdef _REENTRANT 124 struct rpc_createerr *rce_addr = 0; 125 extern int __isthreaded; 126 127 if (__isthreaded == 0) 128 return (&rpc_createerr); 129 thr_once(&rce_once, __rpc_createerr_setup); 130 rce_addr = thr_getspecific(rce_key); 131 if (rce_addr == NULL) { 132 rce_addr = (struct rpc_createerr *) 133 malloc(sizeof (struct rpc_createerr)); 134 thr_setspecific(rce_key, (void *) rce_addr); 135 memset(rce_addr, 0, sizeof (struct rpc_createerr)); 136 } 137 138 return (rce_addr); 139 #else 140 return &rpc_createerr; 141 #endif 142 } 143 144
Indexes created Tue Sep 30 20:09:53 GMT 2025