diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/stdapis/glib-2.0/glib/gasyncqueue.h --- a/epoc32/include/stdapis/glib-2.0/glib/gasyncqueue.h Tue Nov 24 13:55:44 2009 +0000 +++ b/epoc32/include/stdapis/glib-2.0/glib/gasyncqueue.h Tue Mar 16 16:12:26 2010 +0000 @@ -1,1 +1,117 @@ -gasyncqueue.h +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * Portions copyright (c) 2006 Nokia Corporation. All rights reserved. + * + * 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 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#ifndef __G_ASYNCQUEUE_H__ +#define __G_ASYNCQUEUE_H__ + +#include <_ansi.h> +#include + +G_BEGIN_DECLS + +typedef struct _GAsyncQueue GAsyncQueue; + +/* Asyncronous Queues, can be used to communicate between threads */ + +/* Get a new GAsyncQueue with the ref_count 1 */ +IMPORT_C GAsyncQueue* g_async_queue_new (void); + +/* Lock and unlock a GAsyncQueue. All functions lock the queue for + * themselves, but in certain cirumstances you want to hold the lock longer, + * thus you lock the queue, call the *_unlocked functions and unlock it again. + */ +IMPORT_C void g_async_queue_lock (GAsyncQueue *queue); +IMPORT_C void g_async_queue_unlock (GAsyncQueue *queue); + +/* Ref and unref the GAsyncQueue. */ +IMPORT_C GAsyncQueue* g_async_queue_ref (GAsyncQueue *queue); +IMPORT_C void g_async_queue_unref (GAsyncQueue *queue); + +#ifndef G_DISABLE_DEPRECATED +/* You don't have to hold the lock for calling *_ref and *_unref anymore. */ +IMPORT_C void g_async_queue_ref_unlocked (GAsyncQueue *queue); +IMPORT_C void g_async_queue_unref_and_unlock (GAsyncQueue *queue); +#endif /* !G_DISABLE_DEPRECATED */ + +/* Push data into the async queue. Must not be NULL. */ +IMPORT_C void g_async_queue_push (GAsyncQueue *queue, + gpointer data); +IMPORT_C void g_async_queue_push_unlocked (GAsyncQueue *queue, + gpointer data); + +IMPORT_C void g_async_queue_push_sorted (GAsyncQueue *queue, + gpointer data, + GCompareDataFunc func, + gpointer user_data); +IMPORT_C void g_async_queue_push_sorted_unlocked (GAsyncQueue *queue, + gpointer data, + GCompareDataFunc func, + gpointer user_data); + +/* Pop data from the async queue. When no data is there, the thread is blocked + * until data arrives. + */ +IMPORT_C gpointer g_async_queue_pop (GAsyncQueue *queue); +IMPORT_C gpointer g_async_queue_pop_unlocked (GAsyncQueue *queue); + +/* Try to pop data. NULL is returned in case of empty queue. */ +IMPORT_C gpointer g_async_queue_try_pop (GAsyncQueue *queue); +IMPORT_C gpointer g_async_queue_try_pop_unlocked (GAsyncQueue *queue); + + + +/* Wait for data until at maximum until end_time is reached. NULL is returned + * in case of empty queue. + */ +IMPORT_C gpointer g_async_queue_timed_pop (GAsyncQueue *queue, + GTimeVal *end_time); +IMPORT_C gpointer g_async_queue_timed_pop_unlocked (GAsyncQueue *queue, + GTimeVal *end_time); + +/* Return the length of the queue. Negative values mean that threads + * are waiting, positve values mean that there are entries in the + * queue. Actually this function returns the length of the queue minus + * the number of waiting threads, g_async_queue_length == 0 could also + * mean 'n' entries in the queue and 'n' thread waiting. Such can + * happen due to locking of the queue or due to scheduling. + */ +IMPORT_C gint g_async_queue_length (GAsyncQueue *queue); +IMPORT_C gint g_async_queue_length_unlocked (GAsyncQueue *queue); +IMPORT_C void g_async_queue_sort (GAsyncQueue *queue, + GCompareDataFunc func, + gpointer user_data); +IMPORT_C void g_async_queue_sort_unlocked (GAsyncQueue *queue, + GCompareDataFunc func, + gpointer user_data); + +/* Private API */ +GMutex* _g_async_queue_get_mutex (GAsyncQueue *queue); + +G_END_DECLS + +#endif /* __G_ASYNCQUEUE_H__ */ +