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66 lines
2.6 KiB
66 lines
2.6 KiB
/*
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* Copyright 2000-2007 Niels Provos <provos@citi.umich.edu>
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* Copyright 2007-2012 Niels Provos and Nick Mathewson
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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
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* are met:
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* 1. 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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* 2. 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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* 3. The name of the author may not 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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* 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
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef EVSIGNAL_INTERNAL_H_INCLUDED_
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#define EVSIGNAL_INTERNAL_H_INCLUDED_
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#ifndef evutil_socket_t
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#include "event2/util.h"
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#endif
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#include <signal.h>
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typedef void (*ev_sighandler_t)(int);
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/* Data structure for the default signal-handling implementation in signal.c
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*/
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struct evsig_info {
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/* Event watching ev_signal_pair[1] */
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struct event ev_signal;
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/* Socketpair used to send notifications from the signal handler */
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evutil_socket_t ev_signal_pair[2];
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/* True iff we've added the ev_signal event yet. */
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int ev_signal_added;
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/* Count of the number of signals we're currently watching. */
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int ev_n_signals_added;
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/* Array of previous signal handler objects before Libevent started
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* messing with them. Used to restore old signal handlers. */
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#ifdef EVENT__HAVE_SIGACTION
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struct sigaction **sh_old;
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#else
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ev_sighandler_t **sh_old;
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#endif
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/* Size of sh_old. */
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int sh_old_max;
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};
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int evsig_init_(struct event_base *);
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void evsig_dealloc_(struct event_base *);
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void evsig_set_base_(struct event_base *base);
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void evsig_free_globals_(void);
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#endif /* EVSIGNAL_INTERNAL_H_INCLUDED_ */
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