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/* $OpenBSD: svc_run.c,v 1.25 2015/09/01 17:31:39 deraadt Exp $ */ |
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/* |
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* Copyright (c) 2010, Oracle America, Inc. |
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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 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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/* |
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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 <rpc/rpc.h> |
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#include <errno.h> |
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#include <unistd.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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void |
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svc_run(void) |
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{ |
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struct pollfd *pfd = NULL, *newp; |
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int nready, saved_max_pollfd = 0; |
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for (;;) { |
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if (svc_max_pollfd > saved_max_pollfd) { |
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newp = reallocarray(pfd, svc_max_pollfd, sizeof(*pfd)); |
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if (newp == NULL) { |
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free(pfd); |
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return; /* XXX */ |
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} |
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saved_max_pollfd = svc_max_pollfd; |
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pfd = newp; |
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} |
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memcpy(pfd, svc_pollfd, sizeof(*pfd) * svc_max_pollfd); |
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nready = poll(pfd, svc_max_pollfd, INFTIM); |
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switch (nready) { |
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case -1: |
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if (errno == EINTR) |
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continue; |
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free(pfd); |
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return; /* XXX */ |
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case 0: |
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/* should not happen */ |
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continue; |
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default: |
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svc_getreq_poll(pfd, nready); |
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} |
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} |
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} |