* 0 otherwise.
*/
-static GMutex gdk_threads_mutex;
-
-static GCallback gdk_threads_lock = NULL;
-static GCallback gdk_threads_unlock = NULL;
-
#ifdef G_ENABLE_DEBUG
static const GDebugKey gdk_debug_keys[] = {
{ "misc", GDK_DEBUG_MISC },
* emitted in the main thread.
*
* You can schedule work in the main thread safely from other threads
- * by using gdk_threads_add_idle() and gdk_threads_add_timeout():
+ * by using g_main_context_invoke(), g_idle_add(), and g_timeout_add():
*
* |[<!-- language="C" -->
* static void
* {
* ExpensiveData *expensive_data = do_expensive_computation ();
*
- * gdk_threads_add_idle (got_value, expensive_data);
+ * g_main_context_invoke (NULL, got_value, expensive_data);
* }
*
* static gboolean
* }
* ]|
*
- * You should use gdk_threads_add_idle() and gdk_threads_add_timeout()
- * instead of g_idle_add() and g_timeout_add() since libraries not under
- * your control might be using the deprecated GDK locking mechanism.
- * If you are sure that none of the code in your application and libraries
- * use the deprecated gdk_threads_enter() or gdk_threads_leave() methods,
- * then you can safely use g_idle_add() and g_timeout_add().
- *
* For more information on this "worker thread" pattern, you should
* also look at #GTask, which gives you high-level tools to perform
* expensive tasks from worker threads, and will handle thread
* management for you.
*/
-
-
-/**
- * gdk_threads_enter:
- *
- * This function marks the beginning of a critical section in which
- * GDK and GTK+ functions can be called safely and without causing race
- * conditions. Only one thread at a time can be in such a critial
- * section.
- *
- * Deprecated:3.6: All GDK and GTK+ calls should be made from the main
- * thread
- */
-void
-gdk_threads_enter (void)
-{
- if (gdk_threads_lock)
- (*gdk_threads_lock) ();
-}
-
-/**
- * gdk_threads_leave:
- *
- * Leaves a critical region begun with gdk_threads_enter().
- *
- * Deprecated:3.6: All GDK and GTK+ calls should be made from the main
- * thread
- */
-void
-gdk_threads_leave (void)
-{
- if (gdk_threads_unlock)
- (*gdk_threads_unlock) ();
-}
-
-static void
-gdk_threads_impl_lock (void)
-{
- g_mutex_lock (&gdk_threads_mutex);
-}
-
-static void
-gdk_threads_impl_unlock (void)
-{
- /* we need a trylock() here because trying to unlock a mutex
- * that hasn't been locked yet is:
- *
- * a) not portable
- * b) fail on GLib ≥ 2.41
- *
- * trylock() will either succeed because nothing is holding the
- * GDK mutex, and will be unlocked right afterwards; or it's
- * going to fail because the mutex is locked already, in which
- * case we unlock it as expected.
- *
- * this is needed in the case somebody called gdk_threads_init()
- * without calling gdk_threads_enter() before calling gtk_main().
- * in theory, we could just say that this is undefined behaviour,
- * but our documentation has always been *less* than explicit as
- * to what the behaviour should actually be.
- *
- * see bug: https://bugzilla.gnome.org/show_bug.cgi?id=735428
- */
- g_mutex_trylock (&gdk_threads_mutex);
- g_mutex_unlock (&gdk_threads_mutex);
-}
-
-/**
- * gdk_threads_init:
- *
- * Initializes GDK so that it can be used from multiple threads
- * in conjunction with gdk_threads_enter() and gdk_threads_leave().
- *
- * This call must be made before any use of the main loop from
- * GTK+; to be safe, call it before gtk_init().
- *
- * Deprecated:3.6: All GDK and GTK+ calls should be made from the main
- * thread
- */
-void
-gdk_threads_init (void)
-{
- if (!gdk_threads_lock)
- gdk_threads_lock = gdk_threads_impl_lock;
- if (!gdk_threads_unlock)
- gdk_threads_unlock = gdk_threads_impl_unlock;
-}
-
-static gboolean
-gdk_threads_dispatch (gpointer data)
-{
- GdkThreadsDispatch *dispatch = data;
- gboolean ret = FALSE;
-
- gdk_threads_enter ();
-
- if (!g_source_is_destroyed (g_main_current_source ()))
- ret = dispatch->func (dispatch->data);
-
- gdk_threads_leave ();
-
- return ret;
-}
-
-static void
-gdk_threads_dispatch_free (gpointer data)
-{
- GdkThreadsDispatch *dispatch = data;
-
- if (dispatch->destroy && dispatch->data)
- dispatch->destroy (dispatch->data);
-
- g_slice_free (GdkThreadsDispatch, data);
-}
-
-
-/**
- * gdk_threads_add_idle_full: (rename-to gdk_threads_add_idle)
- * @priority: the priority of the idle source. Typically this will be in the
- * range between #G_PRIORITY_DEFAULT_IDLE and #G_PRIORITY_HIGH_IDLE
- * @function: function to call
- * @data: data to pass to @function
- * @notify: (allow-none): function to call when the idle is removed, or %NULL
- *
- * Adds a function to be called whenever there are no higher priority
- * events pending. If the function returns %FALSE it is automatically
- * removed from the list of event sources and will not be called again.
- *
- * This variant of g_idle_add_full() calls @function with the GDK lock
- * held. It can be thought of a MT-safe version for GTK+ widgets for the
- * following use case, where you have to worry about idle_callback()
- * running in thread A and accessing @self after it has been finalized
- * in thread B:
- *
- * |[<!-- language="C" -->
- * static gboolean
- * idle_callback (gpointer data)
- * {
- * // gdk_threads_enter(); would be needed for g_idle_add()
- *
- * SomeWidget *self = data;
- * // do stuff with self
- *
- * self->idle_id = 0;
- *
- * // gdk_threads_leave(); would be needed for g_idle_add()
- * return FALSE;
- * }
- *
- * static void
- * some_widget_do_stuff_later (SomeWidget *self)
- * {
- * self->idle_id = gdk_threads_add_idle (idle_callback, self)
- * // using g_idle_add() here would require thread protection in the callback
- * }
- *
- * static void
- * some_widget_finalize (GObject *object)
- * {
- * SomeWidget *self = SOME_WIDGET (object);
- * if (self->idle_id)
- * g_source_remove (self->idle_id);
- * G_OBJECT_CLASS (parent_class)->finalize (object);
- * }
- * ]|
- *
- * Returns: the ID (greater than 0) of the event source.
- *
- * Since: 2.12
- */
-guint
-gdk_threads_add_idle_full (gint priority,
- GSourceFunc function,
- gpointer data,
- GDestroyNotify notify)
-{
- GdkThreadsDispatch *dispatch;
-
- g_return_val_if_fail (function != NULL, 0);
-
- dispatch = g_slice_new (GdkThreadsDispatch);
- dispatch->func = function;
- dispatch->data = data;
- dispatch->destroy = notify;
-
- return g_idle_add_full (priority,
- gdk_threads_dispatch,
- dispatch,
- gdk_threads_dispatch_free);
-}
-
-/**
- * gdk_threads_add_idle: (skip)
- * @function: function to call
- * @data: data to pass to @function
- *
- * A wrapper for the common usage of gdk_threads_add_idle_full()
- * assigning the default priority, #G_PRIORITY_DEFAULT_IDLE.
- *
- * See gdk_threads_add_idle_full().
- *
- * Returns: the ID (greater than 0) of the event source.
- *
- * Since: 2.12
- */
-guint
-gdk_threads_add_idle (GSourceFunc function,
- gpointer data)
-{
- return gdk_threads_add_idle_full (G_PRIORITY_DEFAULT_IDLE,
- function, data, NULL);
-}
-
-
-/**
- * gdk_threads_add_timeout_full: (rename-to gdk_threads_add_timeout)
- * @priority: the priority of the timeout source. Typically this will be in the
- * range between #G_PRIORITY_DEFAULT_IDLE and #G_PRIORITY_HIGH_IDLE.
- * @interval: the time between calls to the function, in milliseconds
- * (1/1000ths of a second)
- * @function: function to call
- * @data: data to pass to @function
- * @notify: (allow-none): function to call when the timeout is removed, or %NULL
- *
- * Sets a function to be called at regular intervals holding the GDK lock,
- * with the given priority. The function is called repeatedly until it
- * returns %FALSE, at which point the timeout is automatically destroyed
- * and the function will not be called again. The @notify function is
- * called when the timeout is destroyed. The first call to the
- * function will be at the end of the first @interval.
- *
- * Note that timeout functions may be delayed, due to the processing of other
- * event sources. Thus they should not be relied on for precise timing.
- * After each call to the timeout function, the time of the next
- * timeout is recalculated based on the current time and the given interval
- * (it does not try to “catch up” time lost in delays).
- *
- * This variant of g_timeout_add_full() can be thought of a MT-safe version
- * for GTK+ widgets for the following use case:
- *
- * |[<!-- language="C" -->
- * static gboolean timeout_callback (gpointer data)
- * {
- * SomeWidget *self = data;
- *
- * // do stuff with self
- *
- * self->timeout_id = 0;
- *
- * return G_SOURCE_REMOVE;
- * }
- *
- * static void some_widget_do_stuff_later (SomeWidget *self)
- * {
- * self->timeout_id = g_timeout_add (timeout_callback, self)
- * }
- *
- * static void some_widget_finalize (GObject *object)
- * {
- * SomeWidget *self = SOME_WIDGET (object);
- *
- * if (self->timeout_id)
- * g_source_remove (self->timeout_id);
- *
- * G_OBJECT_CLASS (parent_class)->finalize (object);
- * }
- * ]|
- *
- * Returns: the ID (greater than 0) of the event source.
- *
- * Since: 2.12
- */
-guint
-gdk_threads_add_timeout_full (gint priority,
- guint interval,
- GSourceFunc function,
- gpointer data,
- GDestroyNotify notify)
-{
- GdkThreadsDispatch *dispatch;
-
- g_return_val_if_fail (function != NULL, 0);
-
- dispatch = g_slice_new (GdkThreadsDispatch);
- dispatch->func = function;
- dispatch->data = data;
- dispatch->destroy = notify;
-
- return g_timeout_add_full (priority,
- interval,
- gdk_threads_dispatch,
- dispatch,
- gdk_threads_dispatch_free);
-}
-
-/**
- * gdk_threads_add_timeout: (skip)
- * @interval: the time between calls to the function, in milliseconds
- * (1/1000ths of a second)
- * @function: function to call
- * @data: data to pass to @function
- *
- * A wrapper for the common usage of gdk_threads_add_timeout_full()
- * assigning the default priority, #G_PRIORITY_DEFAULT.
- *
- * See gdk_threads_add_timeout_full().
- *
- * Returns: the ID (greater than 0) of the event source.
- *
- * Since: 2.12
- */
-guint
-gdk_threads_add_timeout (guint interval,
- GSourceFunc function,
- gpointer data)
-{
- return gdk_threads_add_timeout_full (G_PRIORITY_DEFAULT,
- interval, function, data, NULL);
-}
-
-
-/**
- * gdk_threads_add_timeout_seconds_full: (rename-to gdk_threads_add_timeout_seconds)
- * @priority: the priority of the timeout source. Typically this will be in the
- * range between #G_PRIORITY_DEFAULT_IDLE and #G_PRIORITY_HIGH_IDLE.
- * @interval: the time between calls to the function, in seconds
- * @function: function to call
- * @data: data to pass to @function
- * @notify: (allow-none): function to call when the timeout is removed, or %NULL
- *
- * A variant of gdk_threads_add_timeout_full() with second-granularity.
- * See g_timeout_add_seconds_full() for a discussion of why it is
- * a good idea to use this function if you don’t need finer granularity.
- *
- * Returns: the ID (greater than 0) of the event source.
- *
- * Since: 2.14
- */
-guint
-gdk_threads_add_timeout_seconds_full (gint priority,
- guint interval,
- GSourceFunc function,
- gpointer data,
- GDestroyNotify notify)
-{
- GdkThreadsDispatch *dispatch;
-
- g_return_val_if_fail (function != NULL, 0);
-
- dispatch = g_slice_new (GdkThreadsDispatch);
- dispatch->func = function;
- dispatch->data = data;
- dispatch->destroy = notify;
-
- return g_timeout_add_seconds_full (priority,
- interval,
- gdk_threads_dispatch,
- dispatch,
- gdk_threads_dispatch_free);
-}
-
-/**
- * gdk_threads_add_timeout_seconds: (skip)
- * @interval: the time between calls to the function, in seconds
- * @function: function to call
- * @data: data to pass to @function
- *
- * A wrapper for the common usage of gdk_threads_add_timeout_seconds_full()
- * assigning the default priority, #G_PRIORITY_DEFAULT.
- *
- * For details, see gdk_threads_add_timeout_full().
- *
- * Returns: the ID (greater than 0) of the event source.
- *
- * Since: 2.14
- */
-guint
-gdk_threads_add_timeout_seconds (guint interval,
- GSourceFunc function,
- gpointer data)
-{
- return gdk_threads_add_timeout_seconds_full (G_PRIORITY_DEFAULT,
- interval, function, data, NULL);
-}
+++ /dev/null
-/* GDK - The GIMP Drawing Kit
- * 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, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
- * file for a list of people on the GTK+ Team. See the ChangeLog
- * files for a list of changes. These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
- */
-
-#ifndef __GDK_THREADS_H__
-#define __GDK_THREADS_H__
-
-#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
-#error "Only <gdk/gdk.h> can be included directly."
-#endif
-
-#include <gdk/gdktypes.h>
-#include <gdk/gdkversionmacros.h>
-
-G_BEGIN_DECLS
-
-#if defined(GDK_COMPILATION) || defined(GTK_COMPILATION)
-#define GDK_THREADS_DEPRECATED _GDK_EXTERN
-#else
-#define GDK_THREADS_DEPRECATED GDK_DEPRECATED_IN_3_6
-#endif
-
-GDK_THREADS_DEPRECATED
-void gdk_threads_init (void);
-GDK_THREADS_DEPRECATED
-void gdk_threads_enter (void);
-GDK_THREADS_DEPRECATED
-void gdk_threads_leave (void);
-
-GDK_AVAILABLE_IN_ALL
-guint gdk_threads_add_idle_full (gint priority,
- GSourceFunc function,
- gpointer data,
- GDestroyNotify notify);
-GDK_AVAILABLE_IN_ALL
-guint gdk_threads_add_idle (GSourceFunc function,
- gpointer data);
-GDK_AVAILABLE_IN_ALL
-guint gdk_threads_add_timeout_full (gint priority,
- guint interval,
- GSourceFunc function,
- gpointer data,
- GDestroyNotify notify);
-GDK_AVAILABLE_IN_ALL
-guint gdk_threads_add_timeout (guint interval,
- GSourceFunc function,
- gpointer data);
-GDK_AVAILABLE_IN_ALL
-guint gdk_threads_add_timeout_seconds_full (gint priority,
- guint interval,
- GSourceFunc function,
- gpointer data,
- GDestroyNotify notify);
-GDK_AVAILABLE_IN_ALL
-guint gdk_threads_add_timeout_seconds (guint interval,
- GSourceFunc function,
- gpointer data);
-
-
-/**
- * GDK_THREADS_ENTER:
- *
- * This macro marks the beginning of a critical section in which GDK and
- * GTK+ functions can be called safely and without causing race
- * conditions. Only one thread at a time can be in such a critial
- * section. The macro expands to a no-op if #G_THREADS_ENABLED has not
- * been defined. Typically gdk_threads_enter() should be used instead of
- * this macro.
- *
- * Deprecated:3.6: Use g_main_context_invoke(), g_idle_add() and related
- * functions if you need to schedule GTK+ calls from other threads.
- */
-#define GDK_THREADS_ENTER() gdk_threads_enter()
-
-/**
- * GDK_THREADS_LEAVE:
- *
- * This macro marks the end of a critical section
- * begun with #GDK_THREADS_ENTER.
- *
- * Deprecated:3.6: Deprecated in 3.6.
- */
-#define GDK_THREADS_LEAVE() gdk_threads_leave()
-
-#undef GDK_THREADS_DEPRECATED
-
-G_END_DECLS
-
-#endif /* __GDK_THREADS_H__ */
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