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- /* GLIB - Library of useful routines for C programming
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * 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_THREADPOOL_H__
- #define __G_THREADPOOL_H__
-
- #include <glib/gthread.h>
-
- G_BEGIN_DECLS
-
- typedef struct _GThreadPool GThreadPool;
-
- /* Thread Pools
- */
-
- /* The real GThreadPool is bigger, so you may only create a thread
- * pool with the constructor function */
- struct _GThreadPool
- {
- GFunc func;
- gpointer user_data;
- gboolean exclusive;
- };
-
- /* Get a thread pool with the function func, at most max_threads may
- * run at a time (max_threads == -1 means no limit), exclusive == TRUE
- * means, that the threads shouldn't be shared and that they will be
- * prestarted (otherwise they are started as needed) user_data is the
- * 2nd argument to the func */
- GThreadPool* g_thread_pool_new (GFunc func,
- gpointer user_data,
- gint max_threads,
- gboolean exclusive,
- GError **error);
-
- /* Push new data into the thread pool. This task is assigned to a thread later
- * (when the maximal number of threads is reached for that pool) or now
- * (otherwise). If necessary a new thread will be started. The function
- * returns immediatly */
- void g_thread_pool_push (GThreadPool *pool,
- gpointer data,
- GError **error);
-
- /* Set the number of threads, which can run concurrently for that pool, -1
- * means no limit. 0 means has the effect, that the pool won't process
- * requests until the limit is set higher again */
- void g_thread_pool_set_max_threads (GThreadPool *pool,
- gint max_threads,
- GError **error);
- gint g_thread_pool_get_max_threads (GThreadPool *pool);
-
- /* Get the number of threads assigned to that pool. This number doesn't
- * necessarily represent the number of working threads in that pool */
- guint g_thread_pool_get_num_threads (GThreadPool *pool);
-
- /* Get the number of unprocessed items in the pool */
- guint g_thread_pool_unprocessed (GThreadPool *pool);
-
- /* Free the pool, immediate means, that all unprocessed items in the queue
- * wont be processed, wait means, that the function doesn't return immediatly,
- * but after all threads in the pool are ready processing items. immediate
- * does however not mean, that threads are killed. */
- void g_thread_pool_free (GThreadPool *pool,
- gboolean immediate,
- gboolean wait);
-
- /* Set the maximal number of unused threads before threads will be stopped by
- * GLib, -1 means no limit */
- void g_thread_pool_set_max_unused_threads (gint max_threads);
- gint g_thread_pool_get_max_unused_threads (void);
- guint g_thread_pool_get_num_unused_threads (void);
-
- /* Stop all currently unused threads, but leave the limit untouched */
- void g_thread_pool_stop_unused_threads (void);
-
- G_END_DECLS
-
- #endif /* __G_THREADPOOL_H__ */
-
-