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Merge branch 'wip/jtojnar/gsrc-dstr-example' into 'master'

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Modernize g_source_is_destroyed example

Closes #2279

See merge request GNOME/glib!1835
This commit is contained in:
Philip Withnall 2021-01-04 16:11:14 +00:00
commit 1ae734dd6d
1 changed files with 16 additions and 4 deletions
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20
glib/gmain.c
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@ -3125,10 +3125,10 @@ g_main_current_source (void)
* {
* SomeWidget *self = data;
*
* GDK_THREADS_ENTER ();
* g_mutex_lock (&self->idle_id_mutex);
* // do stuff with self
* self->idle_id = 0;
* GDK_THREADS_LEAVE ();
* g_mutex_unlock (&self->idle_id_mutex);
*
* return G_SOURCE_REMOVE;
* }
@ -3136,9 +3136,19 @@ g_main_current_source (void)
* static void
* some_widget_do_stuff_later (SomeWidget *self)
* {
* g_mutex_lock (&self->idle_id_mutex);
* self->idle_id = g_idle_add (idle_callback, self);
* g_mutex_unlock (&self->idle_id_mutex);
* }
*
* static void
* some_widget_init (SomeWidget *self)
* {
* g_mutex_init (&self->idle_id_mutex);
*
* // ...
* }
*
* static void
* some_widget_finalize (GObject *object)
* {
@ -3147,6 +3157,8 @@ g_main_current_source (void)
* if (self->idle_id)
* g_source_remove (self->idle_id);
*
* g_mutex_clear (&self->idle_id_mutex);
*
* G_OBJECT_CLASS (parent_class)->finalize (object);
* }
* ]|
@ -3163,12 +3175,12 @@ g_main_current_source (void)
* {
* SomeWidget *self = data;
*
* GDK_THREADS_ENTER ();
* g_mutex_lock (&self->idle_id_mutex);
* if (!g_source_is_destroyed (g_main_current_source ()))
* {
* // do stuff with self
* }
* GDK_THREADS_LEAVE ();
* g_mutex_unlock (&self->idle_id_mutex);
*
* return FALSE;
* }