b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
137 lines
4.4 KiB
C
137 lines
4.4 KiB
C
/* $NetBSD: mt_misc.c,v 1.8 2010/12/08 02:06:38 joerg Exp $ */
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/*-
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* Copyright (c) 2004 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Frank van der Linden.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Define and initialize MT data for libnsl.
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* The _libnsl_lock_init() function below is the library's .init handler.
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*/
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/* #pragma ident "@(#)mt_misc.c 1.24 93/04/29 SMI" */
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: mt_misc.c,v 1.8 2010/12/08 02:06:38 joerg Exp $");
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#endif
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#include "namespace.h"
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#include "reentrant.h"
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#include <rpc/rpc.h>
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#include <sys/time.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef _REENTRANT
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/* protects the services list (svc.c) */
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rwlock_t svc_lock = RWLOCK_INITIALIZER;
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/* protects svc_fdset and the xports[] array */
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rwlock_t svc_fd_lock = RWLOCK_INITIALIZER;
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/* protects the RPCBIND address cache */
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rwlock_t rpcbaddr_cache_lock = RWLOCK_INITIALIZER;
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/* protects authdes cache (svcauth_des.c) */
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mutex_t authdes_lock = MUTEX_INITIALIZER;
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/* auth_none.c serialization */
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mutex_t authnone_lock = MUTEX_INITIALIZER;
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/* protects the Auths list (svc_auth.c) */
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mutex_t authsvc_lock = MUTEX_INITIALIZER;
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/* protects client-side fd lock array */
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mutex_t clnt_fd_lock = MUTEX_INITIALIZER;
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/* clnt_raw.c serialization */
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mutex_t clntraw_lock = MUTEX_INITIALIZER;
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/* domainname and domain_fd (getdname.c) and default_domain (rpcdname.c) */
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mutex_t dname_lock = MUTEX_INITIALIZER;
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/* dupreq variables (svc_dg.c) */
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mutex_t dupreq_lock = MUTEX_INITIALIZER;
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/* protects first_time and hostname (key_call.c) */
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mutex_t keyserv_lock = MUTEX_INITIALIZER;
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/* serializes rpc_trace() (rpc_trace.c) */
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mutex_t libnsl_trace_lock = MUTEX_INITIALIZER;
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/* loopnconf (rpcb_clnt.c) */
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mutex_t loopnconf_lock = MUTEX_INITIALIZER;
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/* serializes ops initializations */
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mutex_t ops_lock = MUTEX_INITIALIZER;
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/* protects ``port'' static in bindresvport() */
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mutex_t portnum_lock = MUTEX_INITIALIZER;
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/* protects proglst list (svc_simple.c) */
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mutex_t proglst_lock = MUTEX_INITIALIZER;
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/* serializes clnt_com_create() (rpc_soc.c) */
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mutex_t rpcsoc_lock = MUTEX_INITIALIZER;
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/* svc_raw.c serialization */
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mutex_t svcraw_lock = MUTEX_INITIALIZER;
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/* xprtlist (svc_generic.c) */
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mutex_t xprtlist_lock = MUTEX_INITIALIZER;
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/* serializes calls to public key routines */
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mutex_t serialize_pkey = MUTEX_INITIALIZER;
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#endif /* _REENTRANT */
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#undef rpc_createerr
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struct rpc_createerr rpc_createerr;
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#ifdef _REENTRANT
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static thread_key_t rce_key;
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static once_t rce_once = ONCE_INITIALIZER;
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static void
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__rpc_createerr_setup(void)
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{
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thr_keycreate(&rce_key, free);
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}
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#endif /* _REENTRANT */
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struct rpc_createerr*
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__rpc_createerr()
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{
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#ifdef _REENTRANT
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struct rpc_createerr *rce_addr = 0;
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if (__isthreaded == 0)
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return (&rpc_createerr);
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thr_once(&rce_once, __rpc_createerr_setup);
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rce_addr = thr_getspecific(rce_key);
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if (rce_addr == NULL) {
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rce_addr = malloc(sizeof(*rce_addr));
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if (rce_addr == NULL)
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return &rpc_createerr;
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thr_setspecific(rce_key, (void *) rce_addr);
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memset(rce_addr, 0, sizeof (struct rpc_createerr));
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}
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return (rce_addr);
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#else
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return &rpc_createerr;
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#endif
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}
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