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thread: Add support for posting async task

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This uses the queue that was introduced when migrating impl task
management from MetaThread to MetaThreadImpl, with the exception that
it's now fully used as an actual queue. It now has a GSource that sits
on the right GMainContext that is dispatched whenever there are tasks to
execute.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2777>
This commit is contained in:
Jonas Ådahl
2021-06-08 11:51:28 +02:00
parent fda883e859
commit aa723e7207
5 changed files with 204 additions and 9 deletions
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19
src/backends/native/meta-thread.c
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@ -298,7 +298,8 @@ meta_thread_run_impl_task_sync (MetaThread *thread,
MetaSyncTaskData data = { 0 };
task = meta_thread_task_new (func, user_data,
sync_task_done_in_impl, &data);
sync_task_done_in_impl, &data,
META_THREAD_TASK_FEEDBACK_TYPE_IMPL);
meta_thread_impl_queue_task (priv->impl, task);
priv->waiting_for_impl_task = TRUE;
@ -314,6 +315,22 @@ meta_thread_run_impl_task_sync (MetaThread *thread,
return data.retval;
}
void
meta_thread_post_impl_task (MetaThread *thread,
MetaThreadTaskFunc func,
gpointer user_data,
MetaThreadTaskFeedbackFunc feedback_func,
gpointer feedback_user_data)
{
MetaThreadPrivate *priv = meta_thread_get_instance_private (thread);
MetaThreadTask *task;
task = meta_thread_task_new (func, user_data,
feedback_func, feedback_user_data,
META_THREAD_TASK_FEEDBACK_TYPE_CALLBACK);
meta_thread_impl_queue_task (priv->impl, task);
}
MetaBackend *
meta_thread_get_backend (MetaThread *thread)
{