1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 1986-2003 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * Define and initialize MT data for libnsl. 31*0Sstevel@tonic-gate * The _libnsl_lock_init() function below is the library's .init handler. 32*0Sstevel@tonic-gate */ 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #include "mt.h" 35*0Sstevel@tonic-gate #include "rpc_mt.h" 36*0Sstevel@tonic-gate #include <unistd.h> 37*0Sstevel@tonic-gate #include <rpc/rpc.h> 38*0Sstevel@tonic-gate #include <sys/time.h> 39*0Sstevel@tonic-gate #include <stdlib.h> 40*0Sstevel@tonic-gate #include <syslog.h> 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate extern mutex_t _ti_userlock; 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate sigset_t fillset; /* from sigfillset() */ 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate rwlock_t svc_lock; /* protects the services list (svc.c) */ 47*0Sstevel@tonic-gate rwlock_t svc_fd_lock; /* protects svc_fdset and the xports[] array */ 48*0Sstevel@tonic-gate rwlock_t rpcbaddr_cache_lock; /* protects the RPCBIND address cache */ 49*0Sstevel@tonic-gate static rwlock_t *rwlock_table[] = { 50*0Sstevel@tonic-gate &svc_lock, 51*0Sstevel@tonic-gate &svc_fd_lock, 52*0Sstevel@tonic-gate &rpcbaddr_cache_lock 53*0Sstevel@tonic-gate }; 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate mutex_t authdes_lock; /* protects authdes cache (svcauth_des.c) */ 56*0Sstevel@tonic-gate mutex_t authnone_lock; /* auth_none.c serialization */ 57*0Sstevel@tonic-gate mutex_t authsvc_lock; /* protects the Auths list (svc_auth.c) */ 58*0Sstevel@tonic-gate mutex_t clntraw_lock; /* clnt_raw.c serialization */ 59*0Sstevel@tonic-gate mutex_t dname_lock; /* domainname and domain_fd (getdname.c) */ 60*0Sstevel@tonic-gate /* and default_domain (rpcdname.c) */ 61*0Sstevel@tonic-gate mutex_t dupreq_lock; /* dupreq variables (svc_dg.c) */ 62*0Sstevel@tonic-gate mutex_t keyserv_lock; /* protects first_time and hostname */ 63*0Sstevel@tonic-gate /* (key_call.c) */ 64*0Sstevel@tonic-gate mutex_t libnsl_trace_lock; /* serializes rpc_trace() (rpc_trace.c) */ 65*0Sstevel@tonic-gate mutex_t loopnconf_lock; /* loopnconf (rpcb_clnt.c) */ 66*0Sstevel@tonic-gate mutex_t ops_lock; /* serializes ops initializations */ 67*0Sstevel@tonic-gate mutex_t portnum_lock; /* protects ``port'' static in bindresvport() */ 68*0Sstevel@tonic-gate mutex_t proglst_lock; /* protects proglst list (svc_simple.c) */ 69*0Sstevel@tonic-gate mutex_t rpcsoc_lock; /* serializes clnt_com_create() (rpc_soc.c) */ 70*0Sstevel@tonic-gate mutex_t svcraw_lock; /* svc_raw.c serialization */ 71*0Sstevel@tonic-gate mutex_t tsd_lock; /* protects TSD key creation */ 72*0Sstevel@tonic-gate mutex_t xprtlist_lock; /* xprtlist (svc_generic.c) */ 73*0Sstevel@tonic-gate mutex_t serialize_pkey; /* serializes calls to public key routines */ 74*0Sstevel@tonic-gate mutex_t svc_thr_mutex; /* protects thread related variables */ 75*0Sstevel@tonic-gate mutex_t svc_mutex; /* protects service handle free lists */ 76*0Sstevel@tonic-gate mutex_t svc_exit_mutex; /* used for clean mt exit */ 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate static mutex_t *mutex_table[] = { 79*0Sstevel@tonic-gate &authdes_lock, 80*0Sstevel@tonic-gate &authnone_lock, 81*0Sstevel@tonic-gate &authsvc_lock, 82*0Sstevel@tonic-gate &clntraw_lock, 83*0Sstevel@tonic-gate &dname_lock, 84*0Sstevel@tonic-gate &dupreq_lock, 85*0Sstevel@tonic-gate &keyserv_lock, 86*0Sstevel@tonic-gate &libnsl_trace_lock, 87*0Sstevel@tonic-gate &loopnconf_lock, 88*0Sstevel@tonic-gate &ops_lock, 89*0Sstevel@tonic-gate &portnum_lock, 90*0Sstevel@tonic-gate &proglst_lock, 91*0Sstevel@tonic-gate &rpcsoc_lock, 92*0Sstevel@tonic-gate &svcraw_lock, 93*0Sstevel@tonic-gate &tsd_lock, 94*0Sstevel@tonic-gate &xprtlist_lock, 95*0Sstevel@tonic-gate &serialize_pkey, 96*0Sstevel@tonic-gate &svc_thr_mutex, 97*0Sstevel@tonic-gate &svc_mutex, 98*0Sstevel@tonic-gate &svc_exit_mutex 99*0Sstevel@tonic-gate }; 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate cond_t svc_thr_fdwait; /* threads wait on this for work */ 102*0Sstevel@tonic-gate 103*0Sstevel@tonic-gate static void 104*0Sstevel@tonic-gate _libnsl_prefork() 105*0Sstevel@tonic-gate { 106*0Sstevel@tonic-gate mutex_lock(&_ti_userlock); 107*0Sstevel@tonic-gate } 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate static void 110*0Sstevel@tonic-gate _libnsl_child_atfork() 111*0Sstevel@tonic-gate { 112*0Sstevel@tonic-gate mutex_unlock(&_ti_userlock); 113*0Sstevel@tonic-gate } 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate static void 116*0Sstevel@tonic-gate _libnsl_parent_atfork() 117*0Sstevel@tonic-gate { 118*0Sstevel@tonic-gate mutex_unlock(&_ti_userlock); 119*0Sstevel@tonic-gate } 120*0Sstevel@tonic-gate 121*0Sstevel@tonic-gate #pragma init(_libnsl_lock_init) 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate void 124*0Sstevel@tonic-gate _libnsl_lock_init() 125*0Sstevel@tonic-gate { 126*0Sstevel@tonic-gate int i; 127*0Sstevel@tonic-gate 128*0Sstevel@tonic-gate (void) _sigfillset(&fillset); 129*0Sstevel@tonic-gate 130*0Sstevel@tonic-gate for (i = 0; i < (sizeof (mutex_table) / sizeof (mutex_table[0])); i++) 131*0Sstevel@tonic-gate mutex_init(mutex_table[i], 0, (void *) 0); 132*0Sstevel@tonic-gate 133*0Sstevel@tonic-gate for (i = 0; i < (sizeof (rwlock_table) / sizeof (rwlock_table[0])); i++) 134*0Sstevel@tonic-gate rwlock_init(rwlock_table[i], 0, (void *) 0); 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate cond_init(&svc_thr_fdwait, USYNC_THREAD, 0); 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate /* 139*0Sstevel@tonic-gate * There is no way to unregister these atfork functions, 140*0Sstevel@tonic-gate * but we don't need to. The dynamic linker and libc take 141*0Sstevel@tonic-gate * care of unregistering them if/when the library is unloaded. 142*0Sstevel@tonic-gate */ 143*0Sstevel@tonic-gate (void) pthread_atfork(_libnsl_prefork, 144*0Sstevel@tonic-gate _libnsl_parent_atfork, _libnsl_child_atfork); 145*0Sstevel@tonic-gate } 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gate #pragma fini(_libnsl_fini) 148*0Sstevel@tonic-gate 149*0Sstevel@tonic-gate void _key_call_fini(void); 150*0Sstevel@tonic-gate 151*0Sstevel@tonic-gate void 152*0Sstevel@tonic-gate _libnsl_fini() 153*0Sstevel@tonic-gate { 154*0Sstevel@tonic-gate _key_call_fini(); 155*0Sstevel@tonic-gate } 156*0Sstevel@tonic-gate 157*0Sstevel@tonic-gate #undef rpc_createerr 158*0Sstevel@tonic-gate 159*0Sstevel@tonic-gate struct rpc_createerr rpc_createerr; 160*0Sstevel@tonic-gate 161*0Sstevel@tonic-gate struct rpc_createerr * 162*0Sstevel@tonic-gate __rpc_createerr() 163*0Sstevel@tonic-gate { 164*0Sstevel@tonic-gate static pthread_key_t rce_key = 0; 165*0Sstevel@tonic-gate struct rpc_createerr *rce_addr; 166*0Sstevel@tonic-gate 167*0Sstevel@tonic-gate if (thr_main()) 168*0Sstevel@tonic-gate return (&rpc_createerr); 169*0Sstevel@tonic-gate rce_addr = thr_get_storage(&rce_key, sizeof (*rce_addr), free); 170*0Sstevel@tonic-gate if (rce_addr == NULL) { 171*0Sstevel@tonic-gate syslog(LOG_ERR, "__rpc_createerr : out of memory."); 172*0Sstevel@tonic-gate return (&rpc_createerr); 173*0Sstevel@tonic-gate } 174*0Sstevel@tonic-gate return (rce_addr); 175*0Sstevel@tonic-gate } 176*0Sstevel@tonic-gate 177*0Sstevel@tonic-gate #undef rpc_callerr 178*0Sstevel@tonic-gate 179*0Sstevel@tonic-gate struct rpc_err rpc_callerr; 180*0Sstevel@tonic-gate 181*0Sstevel@tonic-gate struct rpc_err * 182*0Sstevel@tonic-gate __rpc_callerr(void) 183*0Sstevel@tonic-gate { 184*0Sstevel@tonic-gate static pthread_key_t rpc_callerr_key = 0; 185*0Sstevel@tonic-gate struct rpc_err *tsd = 0; 186*0Sstevel@tonic-gate 187*0Sstevel@tonic-gate if (thr_main()) 188*0Sstevel@tonic-gate return (&rpc_callerr); 189*0Sstevel@tonic-gate tsd = thr_get_storage(&rpc_callerr_key, sizeof (struct rpc_err), free); 190*0Sstevel@tonic-gate if (tsd == NULL) { 191*0Sstevel@tonic-gate syslog(LOG_ERR, "__rpc_callerr : out of memory."); 192*0Sstevel@tonic-gate return (&rpc_callerr); 193*0Sstevel@tonic-gate } 194*0Sstevel@tonic-gate return (tsd); 195*0Sstevel@tonic-gate } 196