17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*cb620785Sraf * Common Development and Distribution License (the "License").
6*cb620785Sraf * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
2161961e0fSrobinson
227c478bd9Sstevel@tonic-gate /*
23*cb620785Sraf * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
247c478bd9Sstevel@tonic-gate * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /*
287c478bd9Sstevel@tonic-gate * Define and initialize MT data for libnsl.
297c478bd9Sstevel@tonic-gate * The _libnsl_lock_init() function below is the library's .init handler.
307c478bd9Sstevel@tonic-gate */
317c478bd9Sstevel@tonic-gate
327c478bd9Sstevel@tonic-gate #include "mt.h"
337c478bd9Sstevel@tonic-gate #include "rpc_mt.h"
347c478bd9Sstevel@tonic-gate #include <unistd.h>
357c478bd9Sstevel@tonic-gate #include <rpc/rpc.h>
367c478bd9Sstevel@tonic-gate #include <sys/time.h>
377c478bd9Sstevel@tonic-gate #include <stdlib.h>
387c478bd9Sstevel@tonic-gate #include <syslog.h>
397c478bd9Sstevel@tonic-gate
407c478bd9Sstevel@tonic-gate extern mutex_t _ti_userlock;
417c478bd9Sstevel@tonic-gate
427c478bd9Sstevel@tonic-gate sigset_t fillset; /* from sigfillset() */
437c478bd9Sstevel@tonic-gate
447c478bd9Sstevel@tonic-gate rwlock_t svc_lock; /* protects the services list (svc.c) */
457c478bd9Sstevel@tonic-gate rwlock_t svc_fd_lock; /* protects svc_fdset and the xports[] array */
467c478bd9Sstevel@tonic-gate rwlock_t rpcbaddr_cache_lock; /* protects the RPCBIND address cache */
477c478bd9Sstevel@tonic-gate static rwlock_t *rwlock_table[] = {
487c478bd9Sstevel@tonic-gate &svc_lock,
497c478bd9Sstevel@tonic-gate &svc_fd_lock,
507c478bd9Sstevel@tonic-gate &rpcbaddr_cache_lock
517c478bd9Sstevel@tonic-gate };
527c478bd9Sstevel@tonic-gate
537c478bd9Sstevel@tonic-gate mutex_t authdes_lock; /* protects authdes cache (svcauth_des.c) */
547c478bd9Sstevel@tonic-gate mutex_t authnone_lock; /* auth_none.c serialization */
557c478bd9Sstevel@tonic-gate mutex_t authsvc_lock; /* protects the Auths list (svc_auth.c) */
567c478bd9Sstevel@tonic-gate mutex_t clntraw_lock; /* clnt_raw.c serialization */
577c478bd9Sstevel@tonic-gate mutex_t dname_lock; /* domainname and domain_fd (getdname.c) */
587c478bd9Sstevel@tonic-gate /* and default_domain (rpcdname.c) */
597c478bd9Sstevel@tonic-gate mutex_t dupreq_lock; /* dupreq variables (svc_dg.c) */
607c478bd9Sstevel@tonic-gate mutex_t keyserv_lock; /* protects first_time and hostname */
617c478bd9Sstevel@tonic-gate /* (key_call.c) */
627c478bd9Sstevel@tonic-gate mutex_t libnsl_trace_lock; /* serializes rpc_trace() (rpc_trace.c) */
637c478bd9Sstevel@tonic-gate mutex_t loopnconf_lock; /* loopnconf (rpcb_clnt.c) */
647c478bd9Sstevel@tonic-gate mutex_t ops_lock; /* serializes ops initializations */
657c478bd9Sstevel@tonic-gate mutex_t portnum_lock; /* protects ``port'' static in bindresvport() */
667c478bd9Sstevel@tonic-gate mutex_t proglst_lock; /* protects proglst list (svc_simple.c) */
677c478bd9Sstevel@tonic-gate mutex_t rpcsoc_lock; /* serializes clnt_com_create() (rpc_soc.c) */
687c478bd9Sstevel@tonic-gate mutex_t svcraw_lock; /* svc_raw.c serialization */
697c478bd9Sstevel@tonic-gate mutex_t xprtlist_lock; /* xprtlist (svc_generic.c) */
707c478bd9Sstevel@tonic-gate mutex_t serialize_pkey; /* serializes calls to public key routines */
717c478bd9Sstevel@tonic-gate mutex_t svc_thr_mutex; /* protects thread related variables */
727c478bd9Sstevel@tonic-gate mutex_t svc_mutex; /* protects service handle free lists */
737c478bd9Sstevel@tonic-gate mutex_t svc_exit_mutex; /* used for clean mt exit */
747c478bd9Sstevel@tonic-gate
757c478bd9Sstevel@tonic-gate static mutex_t *mutex_table[] = {
767c478bd9Sstevel@tonic-gate &authdes_lock,
777c478bd9Sstevel@tonic-gate &authnone_lock,
787c478bd9Sstevel@tonic-gate &authsvc_lock,
797c478bd9Sstevel@tonic-gate &clntraw_lock,
807c478bd9Sstevel@tonic-gate &dname_lock,
817c478bd9Sstevel@tonic-gate &dupreq_lock,
827c478bd9Sstevel@tonic-gate &keyserv_lock,
837c478bd9Sstevel@tonic-gate &libnsl_trace_lock,
847c478bd9Sstevel@tonic-gate &loopnconf_lock,
857c478bd9Sstevel@tonic-gate &ops_lock,
867c478bd9Sstevel@tonic-gate &portnum_lock,
877c478bd9Sstevel@tonic-gate &proglst_lock,
887c478bd9Sstevel@tonic-gate &rpcsoc_lock,
897c478bd9Sstevel@tonic-gate &svcraw_lock,
907c478bd9Sstevel@tonic-gate &xprtlist_lock,
917c478bd9Sstevel@tonic-gate &serialize_pkey,
927c478bd9Sstevel@tonic-gate &svc_thr_mutex,
937c478bd9Sstevel@tonic-gate &svc_mutex,
947c478bd9Sstevel@tonic-gate &svc_exit_mutex
957c478bd9Sstevel@tonic-gate };
967c478bd9Sstevel@tonic-gate
977c478bd9Sstevel@tonic-gate cond_t svc_thr_fdwait; /* threads wait on this for work */
987c478bd9Sstevel@tonic-gate
997c478bd9Sstevel@tonic-gate static void
_libnsl_prefork()1007c478bd9Sstevel@tonic-gate _libnsl_prefork()
1017c478bd9Sstevel@tonic-gate {
10261961e0fSrobinson (void) mutex_lock(&_ti_userlock);
1037c478bd9Sstevel@tonic-gate }
1047c478bd9Sstevel@tonic-gate
1057c478bd9Sstevel@tonic-gate static void
_libnsl_child_atfork()1067c478bd9Sstevel@tonic-gate _libnsl_child_atfork()
1077c478bd9Sstevel@tonic-gate {
10861961e0fSrobinson (void) mutex_unlock(&_ti_userlock);
1097c478bd9Sstevel@tonic-gate }
1107c478bd9Sstevel@tonic-gate
1117c478bd9Sstevel@tonic-gate static void
_libnsl_parent_atfork()1127c478bd9Sstevel@tonic-gate _libnsl_parent_atfork()
1137c478bd9Sstevel@tonic-gate {
11461961e0fSrobinson (void) mutex_unlock(&_ti_userlock);
1157c478bd9Sstevel@tonic-gate }
1167c478bd9Sstevel@tonic-gate
1177c478bd9Sstevel@tonic-gate #pragma init(_libnsl_lock_init)
1187c478bd9Sstevel@tonic-gate
1197c478bd9Sstevel@tonic-gate void
_libnsl_lock_init()1207c478bd9Sstevel@tonic-gate _libnsl_lock_init()
1217c478bd9Sstevel@tonic-gate {
1227c478bd9Sstevel@tonic-gate int i;
1237c478bd9Sstevel@tonic-gate
124e8031f0aSraf (void) sigfillset(&fillset);
1257c478bd9Sstevel@tonic-gate
1267c478bd9Sstevel@tonic-gate for (i = 0; i < (sizeof (mutex_table) / sizeof (mutex_table[0])); i++)
12761961e0fSrobinson (void) mutex_init(mutex_table[i], 0, (void *) 0);
1287c478bd9Sstevel@tonic-gate
1297c478bd9Sstevel@tonic-gate for (i = 0; i < (sizeof (rwlock_table) / sizeof (rwlock_table[0])); i++)
13061961e0fSrobinson (void) rwlock_init(rwlock_table[i], 0, (void *) 0);
1317c478bd9Sstevel@tonic-gate
13261961e0fSrobinson (void) cond_init(&svc_thr_fdwait, USYNC_THREAD, 0);
1337c478bd9Sstevel@tonic-gate
1347c478bd9Sstevel@tonic-gate /*
1357c478bd9Sstevel@tonic-gate * There is no way to unregister these atfork functions,
1367c478bd9Sstevel@tonic-gate * but we don't need to. The dynamic linker and libc take
1377c478bd9Sstevel@tonic-gate * care of unregistering them if/when the library is unloaded.
1387c478bd9Sstevel@tonic-gate */
1397c478bd9Sstevel@tonic-gate (void) pthread_atfork(_libnsl_prefork,
1407c478bd9Sstevel@tonic-gate _libnsl_parent_atfork, _libnsl_child_atfork);
1417c478bd9Sstevel@tonic-gate }
1427c478bd9Sstevel@tonic-gate
1437c478bd9Sstevel@tonic-gate #pragma fini(_libnsl_fini)
1447c478bd9Sstevel@tonic-gate
1457c478bd9Sstevel@tonic-gate void _key_call_fini(void);
1467c478bd9Sstevel@tonic-gate
1477c478bd9Sstevel@tonic-gate void
_libnsl_fini()1487c478bd9Sstevel@tonic-gate _libnsl_fini()
1497c478bd9Sstevel@tonic-gate {
1507c478bd9Sstevel@tonic-gate _key_call_fini();
1517c478bd9Sstevel@tonic-gate }
1527c478bd9Sstevel@tonic-gate
1537c478bd9Sstevel@tonic-gate #undef rpc_createerr
1547c478bd9Sstevel@tonic-gate
1557c478bd9Sstevel@tonic-gate struct rpc_createerr rpc_createerr;
1567c478bd9Sstevel@tonic-gate
1577c478bd9Sstevel@tonic-gate struct rpc_createerr *
__rpc_createerr()1587c478bd9Sstevel@tonic-gate __rpc_createerr()
1597c478bd9Sstevel@tonic-gate {
160*cb620785Sraf static pthread_key_t rce_key = PTHREAD_ONCE_KEY_NP;
1617c478bd9Sstevel@tonic-gate struct rpc_createerr *rce_addr;
1627c478bd9Sstevel@tonic-gate
1637c478bd9Sstevel@tonic-gate if (thr_main())
1647c478bd9Sstevel@tonic-gate return (&rpc_createerr);
1657c478bd9Sstevel@tonic-gate rce_addr = thr_get_storage(&rce_key, sizeof (*rce_addr), free);
1667c478bd9Sstevel@tonic-gate if (rce_addr == NULL) {
1677c478bd9Sstevel@tonic-gate syslog(LOG_ERR, "__rpc_createerr : out of memory.");
1687c478bd9Sstevel@tonic-gate return (&rpc_createerr);
1697c478bd9Sstevel@tonic-gate }
1707c478bd9Sstevel@tonic-gate return (rce_addr);
1717c478bd9Sstevel@tonic-gate }
1727c478bd9Sstevel@tonic-gate
1737c478bd9Sstevel@tonic-gate #undef rpc_callerr
1747c478bd9Sstevel@tonic-gate
1757c478bd9Sstevel@tonic-gate struct rpc_err rpc_callerr;
1767c478bd9Sstevel@tonic-gate
1777c478bd9Sstevel@tonic-gate struct rpc_err *
__rpc_callerr(void)1787c478bd9Sstevel@tonic-gate __rpc_callerr(void)
1797c478bd9Sstevel@tonic-gate {
180*cb620785Sraf static pthread_key_t rpc_callerr_key = PTHREAD_ONCE_KEY_NP;
181*cb620785Sraf struct rpc_err *tsd;
1827c478bd9Sstevel@tonic-gate
1837c478bd9Sstevel@tonic-gate if (thr_main())
1847c478bd9Sstevel@tonic-gate return (&rpc_callerr);
1857c478bd9Sstevel@tonic-gate tsd = thr_get_storage(&rpc_callerr_key, sizeof (struct rpc_err), free);
1867c478bd9Sstevel@tonic-gate if (tsd == NULL) {
1877c478bd9Sstevel@tonic-gate syslog(LOG_ERR, "__rpc_callerr : out of memory.");
1887c478bd9Sstevel@tonic-gate return (&rpc_callerr);
1897c478bd9Sstevel@tonic-gate }
1907c478bd9Sstevel@tonic-gate return (tsd);
1917c478bd9Sstevel@tonic-gate }
192