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/* $NetBSD: mt_misc.c,v 1.9 2012/03/20 17:14:50 matt Exp $ */
/*-
* Copyright (c) 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Frank van der Linden.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Define and initialize MT data for libnsl.
* The _libnsl_lock_init() function below is the library's .init handler.
*/
/* #pragma ident "@(#)mt_misc.c 1.24 93/04/29 SMI" */
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: mt_misc.c,v 1.9 2012/03/20 17:14:50 matt Exp $");
#endif
#include "namespace.h"
#include "reentrant.h"
#include <rpc/rpc.h>
#include <sys/time.h>
#include <stdlib.h>
#include <string.h>
#ifdef _REENTRANT
/* protects the services list (svc.c) */
rwlock_t svc_lock = RWLOCK_INITIALIZER;
/* protects svc_fdset and the xports[] array */
rwlock_t svc_fd_lock = RWLOCK_INITIALIZER;
/* protects the RPCBIND address cache */
rwlock_t rpcbaddr_cache_lock = RWLOCK_INITIALIZER;
/* protects authdes cache (svcauth_des.c) */
mutex_t authdes_lock = MUTEX_INITIALIZER;
/* auth_none.c serialization */
mutex_t authnone_lock = MUTEX_INITIALIZER;
/* protects the Auths list (svc_auth.c) */
mutex_t authsvc_lock = MUTEX_INITIALIZER;
/* protects client-side fd lock array */
mutex_t clnt_fd_lock = MUTEX_INITIALIZER;
/* clnt_raw.c serialization */
mutex_t clntraw_lock = MUTEX_INITIALIZER;
/* domainname and domain_fd (getdname.c) and default_domain (rpcdname.c) */
mutex_t dname_lock = MUTEX_INITIALIZER;
/* dupreq variables (svc_dg.c) */
mutex_t dupreq_lock = MUTEX_INITIALIZER;
/* protects first_time and hostname (key_call.c) */
mutex_t keyserv_lock = MUTEX_INITIALIZER;
/* serializes rpc_trace() (rpc_trace.c) */
mutex_t libnsl_trace_lock = MUTEX_INITIALIZER;
/* loopnconf (rpcb_clnt.c) */
mutex_t loopnconf_lock = MUTEX_INITIALIZER;
/* serializes ops initializations */
mutex_t ops_lock = MUTEX_INITIALIZER;
/* protects ``port'' static in bindresvport() */
mutex_t portnum_lock = MUTEX_INITIALIZER;
/* protects proglst list (svc_simple.c) */
mutex_t proglst_lock = MUTEX_INITIALIZER;
/* serializes clnt_com_create() (rpc_soc.c) */
mutex_t rpcsoc_lock = MUTEX_INITIALIZER;
/* svc_raw.c serialization */
mutex_t svcraw_lock = MUTEX_INITIALIZER;
/* xprtlist (svc_generic.c) */
mutex_t xprtlist_lock = MUTEX_INITIALIZER;
/* serializes calls to public key routines */
mutex_t serialize_pkey = MUTEX_INITIALIZER;
#endif /* _REENTRANT */
#undef rpc_createerr
struct rpc_createerr rpc_createerr;
#ifdef _REENTRANT
static thread_key_t rce_key;
static once_t rce_once = ONCE_INITIALIZER;
static void
__rpc_createerr_setup(void)
{
thr_keycreate(&rce_key, free);
}
#endif /* _REENTRANT */
struct rpc_createerr*
__rpc_createerr(void)
{
#ifdef _REENTRANT
struct rpc_createerr *rce_addr = 0;
if (__isthreaded == 0)
return (&rpc_createerr);
thr_once(&rce_once, __rpc_createerr_setup);
rce_addr = thr_getspecific(rce_key);
if (rce_addr == NULL) {
rce_addr = malloc(sizeof(*rce_addr));
if (rce_addr == NULL)
return &rpc_createerr;
thr_setspecific(rce_key, (void *) rce_addr);
memset(rce_addr, 0, sizeof (struct rpc_createerr));
}
return (rce_addr);
#else
return &rpc_createerr;
#endif
}
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