Current File : //backups/router/usr/local/include/syslog-ng/poll-events.h
/*
* Copyright (c) 2002-2013 Balabit
* Copyright (c) 1998-2013 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#ifndef POLL_EVENTS_H_INCLUDED
#define POLL_EVENTS_H_INCLUDED
#include "syslog-ng.h"
typedef struct _PollEvents PollEvents;
typedef void (*PollCallback)(gpointer user_data);
typedef gboolean (*PollChecker)(PollEvents *self, gpointer user_data);
struct _PollEvents
{
gboolean system_polled;
PollCallback callback;
gpointer callback_data;
gpointer checker_data;
void (*start_watches)(PollEvents *self);
void (*stop_watches)(PollEvents *self);
PollChecker check_watches;
void (*update_watches)(PollEvents *self, GIOCondition cond);
void (*suspend_watches)(PollEvents *self);
gint (*get_fd)(PollEvents *self);
void (*free_fn)(PollEvents *self);
};
static inline gint
poll_events_get_fd(PollEvents *self)
{
if (self->get_fd)
return self->get_fd(self);
return -1;
}
static inline gboolean
poll_events_system_polled(PollEvents *self)
{
return self->system_polled;
}
static inline void
poll_events_start_watches(PollEvents *self)
{
if (self->start_watches)
self->start_watches(self);
}
static inline void
poll_events_stop_watches(PollEvents *self)
{
self->stop_watches(self);
}
static inline gboolean
poll_events_check_watches(PollEvents *self)
{
if (self->check_watches)
return self->check_watches(self, self->checker_data);
return TRUE;
}
static inline void
poll_events_update_watches(PollEvents *self, GIOCondition cond)
{
self->update_watches(self, cond);
}
static inline void
poll_events_suspend_watches(PollEvents *self)
{
if (self->suspend_watches)
return self->suspend_watches(self);
poll_events_stop_watches(self);
}
void poll_events_invoke_callback(PollEvents *self);
void poll_events_set_callback(PollEvents *self, PollCallback callback, gpointer user_data);
void poll_events_set_checker(PollEvents *self, PollChecker check_watches, gpointer user_data);
void poll_events_init(PollEvents *self);
void poll_events_free(PollEvents *self);
#endif
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