Update copyright notices with scripts/update-copyrights

[thirdparty/glibc.git] / sunrpc / svc.c

/*
 * svc.c, Server-side remote procedure call interface.
 *
 * There are two sets of procedures here.  The xprt routines are
 * for handling transport handles.  The svc routines handle the
 * list of service routines.
 *  Copyright (C) 2002-2014 Free Software Foundation, Inc.
 *  This file is part of the GNU C Library.
 *  Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 *
 *  The GNU C Library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  The GNU C Library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with the GNU C Library; if not, see
 *  <http://www.gnu.org/licenses/>.
 *
 * Copyright (c) 2010, Oracle America, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of the "Oracle America, Inc." nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
 *   COPYRIGHT HOLDER 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.
 */

#include <errno.h>
#include <unistd.h>
#include <rpc/rpc.h>
#include <rpc/svc.h>
#include <rpc/pmap_clnt.h>
#include <sys/poll.h>
#include <time.h>

#ifdef _RPC_THREAD_SAFE_
#define xports RPC_THREAD_VARIABLE(svc_xports_s)
#else
static SVCXPRT **xports;
#endif

#define NULL_SVC ((struct svc_callout *)0)
#define	RQCRED_SIZE	400	/* this size is excessive */

/* The services list
   Each entry represents a set of procedures (an rpc program).
   The dispatch routine takes request structs and runs the
   appropriate procedure. */
struct svc_callout {
  struct svc_callout *sc_next;
  rpcprog_t sc_prog;
  rpcvers_t sc_vers;
  void (*sc_dispatch) (struct svc_req *, SVCXPRT *);
  bool_t sc_mapped;
};
#ifdef _RPC_THREAD_SAFE_
#define svc_head RPC_THREAD_VARIABLE(svc_head_s)
#else
static struct svc_callout *svc_head;
#endif

/* ***************  SVCXPRT related stuff **************** */

/* Activate a transport handle. */
void
xprt_register (SVCXPRT *xprt)
{
  register int sock = xprt->xp_sock;
  register int i;

  if (xports == NULL)
    {
      xports = (SVCXPRT **) malloc (_rpc_dtablesize () * sizeof (SVCXPRT *));