kc3-lang/libevent/include/event2/event_struct.h

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• Hash : 5b5b880b
  Author :
  Date : 2009-07-28T19:41:39
  

  Various MSVC cleanups from Brodie Thiesfield.
  
  svn:r1385
  

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• include/event2/event_struct.h

• /*
   * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
   * Copyright (c) 2007-2009 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 _EVENT2_EVENT_STRUCT_H_
  #define _EVENT2_EVENT_STRUCT_H_
  
  /** @file event_struct.h
  
    Structures used by event.h.  Using these structures directly may harm
    forward compatibility: be careful!
  
   */
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #include <event-config.h>
  #ifdef _EVENT_HAVE_SYS_TYPES_H
  #include <sys/types.h>
  #endif
  #ifdef _EVENT_HAVE_SYS_TIME_H
  #include <sys/time.h>
  #endif
  
  /* For int types. */
  #include <event2/util.h>
  
  #ifdef WIN32
  #include <winsock2.h>
  #define WIN32_LEAN_AND_MEAN
  #include <windows.h>
  #undef WIN32_LEAN_AND_MEAN
  #endif
  
  #define EVLIST_TIMEOUT	0x01
  #define EVLIST_INSERTED	0x02
  #define EVLIST_SIGNAL	0x04
  #define EVLIST_ACTIVE	0x08
  #define EVLIST_INTERNAL	0x10
  #define EVLIST_INIT	0x80
  
  /* EVLIST_X_ Private space: 0x1000-0xf000 */
  #define EVLIST_ALL	(0xf000 | 0x9f)
  
  /* Fix so that people don't have to run with <sys/queue.h> */
  #ifndef TAILQ_ENTRY
  #define _EVENT_DEFINED_TQENTRY
  #define TAILQ_ENTRY(type)						\
  struct {								\
  	struct type *tqe_next;	/* next element */			\
  	struct type **tqe_prev;	/* address of previous next element */	\
  }
  #endif /* !TAILQ_ENTRY */
  
  struct event_base;
  struct event {
  	TAILQ_ENTRY (event) (ev_active_next);
  	TAILQ_ENTRY (event) (ev_next);
  	int min_heap_idx;	/* for managing timeouts */
  	evutil_socket_t ev_fd;
  
  	struct event_base *ev_base;
  
  	union {
  		/* used for io events */
  		struct {
  			TAILQ_ENTRY (event) (ev_io_next);
  			struct timeval ev_timeout;
  		} ev_io;
  
  		/* used by signal events */
  		struct {
  			TAILQ_ENTRY (event) (ev_signal_next);
  			short ev_ncalls;
  			/* Allows deletes in callback */
  			short *ev_pncalls;
  		} ev_signal;
  	} _ev;
  
  	short ev_events;
  	short ev_res;		/* result passed to event callback */
  	short ev_flags;
  	ev_uint8_t ev_pri;	/* smaller numbers are higher priority */
  	ev_uint8_t ev_closure;
  	struct timeval ev_timeout;
  
  	/* allows us to adopt for different types of events */
  	void (*ev_callback)(evutil_socket_t, short, void *arg);
  	void *ev_arg;
  };
  
  #ifdef EVENT_FD
  /* This was defined in event.h, but since we're including event_struct.h, we
   * can use the faster versions. */
  #undef EVENT_FD
  #undef EVENT_SIGNAL
  #define EVENT_SIGNAL(ev)	((int)(ev)->ev_fd)
  #define EVENT_FD(ev)		((int)(ev)->ev_fd)
  #endif
  
  /*
   * Key-Value pairs.  Can be used for HTTP headers but also for
   * query argument parsing.
   */
  struct evkeyval {
  	TAILQ_ENTRY(evkeyval) next;
  
  	char *key;
  	char *value;
  };
  
  #ifdef _EVENT_DEFINED_TQENTRY
  #undef TAILQ_ENTRY
  struct event_list;
  struct evkeyvalq;
  #undef _EVENT_DEFINED_TQENTRY
  #else
  TAILQ_HEAD (event_list, event);
  TAILQ_HEAD (evkeyvalq, evkeyval);
  #endif /* _EVENT_DEFINED_TQENTRY */
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* _EVENT2_EVENT_STRUCT_H_ */
  

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