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/*
* Copyright (c) 2009, Sun Microsystems, Inc.
* All rights reserved.
*
* 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 Sun Microsystems, 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.
*/
/*
* This is the rpc server side idle loop
* Wait for input, call server program.
*/
#include <pthread.h>
#include <reentrant.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/poll.h>
#include <rpc/rpc.h>
#include "rpc_com.h"
#include <sys/select.h>
void
svc_run()
{
int i;
struct pollfd *my_pollfd = NULL;
int last_max_pollfd = 0;
for (;;) {
int max_pollfd = svc_max_pollfd;
if (max_pollfd == 0 && svc_pollfd == NULL)
break;
if (last_max_pollfd != max_pollfd)
{
struct pollfd *new_pollfd
= realloc (my_pollfd, sizeof (struct pollfd) * max_pollfd);
if (new_pollfd == NULL)
{
warn ("svc_run: - out of memory");
break;
}
my_pollfd = new_pollfd;
last_max_pollfd = max_pollfd;
}
for (i = 0; i < max_pollfd; ++i)
{
my_pollfd[i].fd = svc_pollfd[i].fd;
my_pollfd[i].events = svc_pollfd[i].events;
my_pollfd[i].revents = 0;
}
switch (i = poll (my_pollfd, max_pollfd, -1))
{
case -1:
if (errno == EINTR)
continue;
warn ("svc_run: - poll failed");
break;
case 0:
continue;
default:
svc_getreq_poll (my_pollfd, i);
continue;
}
break;
}
free (my_pollfd);
}
/*
* This function causes svc_run() to exit by telling it that it has no
* more work to do.
*/
void
svc_exit()
{
extern rwlock_t svc_fd_lock;
rwlock_wrlock(&svc_fd_lock);
free (svc_pollfd);
svc_pollfd = NULL;
svc_max_pollfd = 0;
rwlock_unlock(&svc_fd_lock);
}
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