kc3-lang/libevent/evmap.h

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• Hash : 02b2b4d1
  Author :
  Date : 2008-12-23T16:37:01
  

  Restructure the event backends so that they do not need to keep track of events themselves, as a side effect multiple events can use the same fd or signal.
  
  svn:r972
  

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• evmap.h

• /*
   * Copyright (c) 2007 Niels Provos <provos@citi.umich.edu>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  #ifndef _EVMAP_H_
  #define _EVMAP_H_
  
  struct event_map;
  struct event_base;
  struct event;
  
  void evmap_clear(struct event_map* ctx);
  
  int evmap_io_add(struct event_base *base, evutil_socket_t fd, struct event *ev);
  int evmap_io_del(struct event_base *base, evutil_socket_t fd, struct event *ev);
  void evmap_io_active(struct event_base *base, evutil_socket_t fd, short events);
  
  int evmap_signal_add(struct event_base *base, int signum, struct event *ev);
  int evmap_signal_del(struct event_base *base, int signum, struct event *ev);
  void evmap_signal_active(struct event_base *base, int fd, int ncalls);
  
  #endif /* _EVMAP_H_ */
  

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