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109 lines
3.0 KiB
C
109 lines
3.0 KiB
C
/*
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* Copyright (c) 2010, Oracle America, Inc.
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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 are
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* met:
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*
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* * 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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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* * Neither the name of the "Oracle America, Inc." nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This is the rpc server side idle loop
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* Wait for input, call server program.
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*/
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#include <errno.h>
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#include <unistd.h>
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#include <libintl.h>
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#include <sys/poll.h>
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#include <rpc/rpc.h>
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/* This function can be used as a signal handler to terminate the
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server loop. */
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void
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svc_exit (void)
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{
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free (svc_pollfd);
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svc_pollfd = NULL;
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svc_max_pollfd = 0;
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}
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libc_hidden_nolink (svc_exit, GLIBC_2_0)
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void
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svc_run (void)
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{
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int i;
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struct pollfd *my_pollfd = NULL;
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int last_max_pollfd = 0;
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for (;;)
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{
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int max_pollfd = svc_max_pollfd;
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if (max_pollfd == 0 && svc_pollfd == NULL)
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break;
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if (last_max_pollfd != max_pollfd)
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{
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struct pollfd *new_pollfd
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= realloc (my_pollfd, sizeof (struct pollfd) * max_pollfd);
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if (new_pollfd == NULL)
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{
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perror (_("svc_run: - out of memory"));
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break;
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}
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my_pollfd = new_pollfd;
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last_max_pollfd = max_pollfd;
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}
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for (i = 0; i < max_pollfd; ++i)
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{
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my_pollfd[i].fd = svc_pollfd[i].fd;
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my_pollfd[i].events = svc_pollfd[i].events;
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my_pollfd[i].revents = 0;
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}
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switch (i = __poll (my_pollfd, max_pollfd, -1))
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{
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case -1:
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if (errno == EINTR)
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continue;
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perror (_("svc_run: - poll failed"));
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break;
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case 0:
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continue;
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default:
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svc_getreq_poll (my_pollfd, i);
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continue;
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}
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break;
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}
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free (my_pollfd);
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}
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#ifdef EXPORT_RPC_SYMBOLS
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libc_hidden_def (svc_run)
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#else
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libc_hidden_nolink (svc_run, GLIBC_2_0)
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#endif
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