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65 lines
2.6 KiB
65 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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