kc3-lang/libevent/defer-internal.h

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• Hash : 9081b66c
  Author :
  Date : 2017-03-12T20:50:35
  

  Export symbols for -fvisibility=hidden (under cmake)
  
  Fixes: #442
  

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• defer-internal.h

• /*
   * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
   *
   * 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 DEFER_INTERNAL_H_INCLUDED_
  #define DEFER_INTERNAL_H_INCLUDED_
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #include "event2/event-config.h"
  #include "evconfig-private.h"
  
  #include <sys/queue.h>
  
  struct event_callback;
  typedef void (*deferred_cb_fn)(struct event_callback *, void *);
  
  /**
     Initialize an empty, non-pending event_callback.
  
     @param deferred The struct event_callback structure to initialize.
     @param priority The priority that the callback should run at.
     @param cb The function to run when the struct event_callback executes.
     @param arg The function's second argument.
   */
  EVENT2_EXPORT_SYMBOL
  void event_deferred_cb_init_(struct event_callback *, ev_uint8_t, deferred_cb_fn, void *);
  /**
     Change the priority of a non-pending event_callback.
   */
  void event_deferred_cb_set_priority_(struct event_callback *, ev_uint8_t);
  /**
     Cancel a struct event_callback if it is currently scheduled in an event_base.
   */
  EVENT2_EXPORT_SYMBOL
  void event_deferred_cb_cancel_(struct event_base *, struct event_callback *);
  /**
     Activate a struct event_callback if it is not currently scheduled in an event_base.
  
     Return true if it was not previously scheduled.
   */
  EVENT2_EXPORT_SYMBOL
  int event_deferred_cb_schedule_(struct event_base *, struct event_callback *);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* EVENT_INTERNAL_H_INCLUDED_ */
  
  

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