watch.h

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/*
 * 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_WATCH_H_INCLUDED_
#define EVENT2_WATCH_H_INCLUDED_

 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <event2/visibility.h>
 
struct event_base;
struct evwatch;
struct evwatch_prepare_cb_info;
struct evwatch_check_cb_info;
struct timeval;

typedef void (*evwatch_prepare_cb)(struct evwatch *, const struct evwatch_prepare_cb_info *, void *);

typedef void (*evwatch_check_cb)(struct evwatch *, const struct evwatch_check_cb_info *, void *);

EVENT2_EXPORT_SYMBOL
struct evwatch *evwatch_prepare_new(struct event_base *base, evwatch_prepare_cb callback, void *arg);

EVENT2_EXPORT_SYMBOL
struct evwatch *evwatch_check_new(struct event_base *base, evwatch_check_cb callback, void *arg);

EVENT2_EXPORT_SYMBOL
struct event_base *evwatch_base(struct evwatch *watcher);

EVENT2_EXPORT_SYMBOL
void evwatch_free(struct evwatch *watcher);

EVENT2_EXPORT_SYMBOL
int evwatch_prepare_get_timeout(const struct evwatch_prepare_cb_info *info, struct timeval *timeout);
 
#ifdef __cplusplus
}
#endif
 
#endif /* EVENT2_WATCH_H_INCLUDED_ */