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_I|+aa*j"TƛTţ ? /* gmain.h - the GLib Main loop
* Copyright (C) 1998-2000 Red Hat, Inc.
*
* 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, see .
*/
#ifndef __G_MAIN_H__
#define __G_MAIN_H__
#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only can be included directly."
#endif
#include
#include
#include
G_BEGIN_DECLS
typedef enum /*< flags >*/
{
G_IO_IN GLIB_SYSDEF_POLLIN,
G_IO_OUT GLIB_SYSDEF_POLLOUT,
G_IO_PRI GLIB_SYSDEF_POLLPRI,
G_IO_ERR GLIB_SYSDEF_POLLERR,
G_IO_HUP GLIB_SYSDEF_POLLHUP,
G_IO_NVAL GLIB_SYSDEF_POLLNVAL
} GIOCondition;
/**
* GMainContext:
*
* The `GMainContext` struct is an opaque data
* type representing a set of sources to be handled in a main loop.
*/
typedef struct _GMainContext GMainContext;
/**
* GMainLoop:
*
* The `GMainLoop` struct is an opaque data type
* representing the main event loop of a GLib or GTK+ application.
*/
typedef struct _GMainLoop GMainLoop;
/**
* GSource:
*
* The `GSource` struct is an opaque data type
* representing an event source.
*/
typedef struct _GSource GSource;
typedef struct _GSourcePrivate GSourcePrivate;
/**
* GSourceCallbackFuncs:
* @ref: Called when a reference is added to the callback object
* @unref: Called when a reference to the callback object is dropped
* @get: Called to extract the callback function and data from the
* callback object.
*
* The `GSourceCallbackFuncs` struct contains
* functions for managing callback objects.
*/
typedef struct _GSourceCallbackFuncs GSourceCallbackFuncs;
/**
* GSourceFuncs:
* @prepare: Called before all the file descriptors are polled. If the
* source can determine that it is ready here (without waiting for the
* results of the poll() call) it should return %TRUE. It can also return
* a @timeout_ value which should be the maximum timeout (in milliseconds)
* which should be passed to the poll() call. The actual timeout used will
* be -1 if all sources returned -1, or it will be the minimum of all
* the @timeout_ values returned which were >= 0. Since 2.36 this may
* be %NULL, in which case the effect is as if the function always returns
* %FALSE with a timeout of -1. If @prepare returns a
* timeout and the source also has a ready time set, then the
* lower of the two will be used.
* @check: Called after all the file descriptors are polled. The source
* should return %TRUE if it is ready to be dispatched. Note that some
* time may have passed since the previous prepare function was called,
* so the source should be checked again here. Since 2.36 this may
* be %NULL, in which case the effect is as if the function always returns
* %FALSE.
* @dispatch: Called to dispatch the event source, after it has returned
* %TRUE in either its @prepare or its @check function, or if a ready time
* has been reached. The @dispatch function receives a callback function and
* user data. The callback function may be %NULL if the source was never
* connected to a callback using g_source_set_callback(). The @dispatch
* function should call the callback function with @user_data and whatever
* additional parameters are needed for this type of event source. The
* return value of the @