mirror of https://github.com/getdnsapi/getdns.git
60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
/*
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* \file default_eventloop.h
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* @brief Build in default eventloop extension that uses select.
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*
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*/
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/*
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* Copyright (c) 2013, NLNet Labs, Verisign, Inc.
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* All rights reserved.
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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 met:
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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 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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* * Neither the names of the copyright holders nor the
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* names of its contributors may be used to endorse or promote products
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* derived 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 "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL Verisign, Inc. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DEFAULT_EVENTLOOP_H_
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#define DEFAULT_EVENTLOOP_H_
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#include "config.h"
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#include "getdns/getdns.h"
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#include "getdns/getdns_extra.h"
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/* No more than select's capability queries can be outstanding,
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* The number of outstanding timeouts should be less or equal then
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* the number of outstanding queries, so MAX_TIMEOUTS equal to
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* FD_SETSIZE should be safe.
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*/
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#define MAX_TIMEOUTS FD_SETSIZE
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/* Eventloop based on select */
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typedef struct _getdns_default_eventloop {
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getdns_eventloop loop;
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getdns_eventloop_event *fd_events[FD_SETSIZE];
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uint64_t fd_timeout_times[FD_SETSIZE];
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getdns_eventloop_event *timeout_events[MAX_TIMEOUTS];
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uint64_t timeout_times[MAX_TIMEOUTS];
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} _getdns_default_eventloop;
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void
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_getdns_default_eventloop_init(_getdns_default_eventloop *loop);
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#endif
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