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53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
/*
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* Copyright 2000-2002 Niels Provos <provos@citi.umich.edu>
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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
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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_H_
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#define _EVSIGNAL_H_
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typedef void (*ev_sighandler_t)(int);
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struct evsignal_info {
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struct event ev_signal;
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int ev_signal_pair[2];
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int ev_signal_added;
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volatile sig_atomic_t evsignal_caught;
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struct event_list evsigevents[NSIG];
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sig_atomic_t evsigcaught[NSIG];
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#ifdef 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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int sh_old_max;
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};
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int evsignal_init(struct event_base *);
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void evsignal_process(struct event_base *);
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int evsignal_add(struct event *);
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int evsignal_del(struct event *);
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void evsignal_dealloc(struct event_base *);
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#endif /* _EVSIGNAL_H_ */
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