From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:47:29 +0200 Subject: Adding upstream version 115.8.0esr. Signed-off-by: Daniel Baumann --- xpcom/threads/nsIDirectTaskDispatcher.idl | 57 +++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 xpcom/threads/nsIDirectTaskDispatcher.idl (limited to 'xpcom/threads/nsIDirectTaskDispatcher.idl') diff --git a/xpcom/threads/nsIDirectTaskDispatcher.idl b/xpcom/threads/nsIDirectTaskDispatcher.idl new file mode 100644 index 0000000000..7d44608708 --- /dev/null +++ b/xpcom/threads/nsIDirectTaskDispatcher.idl @@ -0,0 +1,57 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et cindent: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsIRunnable.idl" + +%{C++ +#include "mozilla/AlreadyAddRefed.h" +%} + +native alreadyAddRefed_nsIRunnable(already_AddRefed); + +/* + * The primary use of this interface is to allow any nsISerialEventTarget to + * provide Direct Task dispatching which is similar (but not identical to) the + * microtask semantics of JS promises. + * New direct task may be dispatched when a current direct task is running. In + * which case they will be run in FIFO order. + */ +[uuid(e05bf0fe-94b7-4e28-8462-a8368da9c136)] +interface nsIDirectTaskDispatcher : nsISupports +{ + /** + * Dispatch an event for the nsISerialEventTarget, using the direct task + * queue. + * + * This function must be called from the same nsISerialEventTarget + * implementing direct task dispatching. + * + * @param event + * The alreadyAddRefed<> event to dispatch. + * + */ + [noscript] void dispatchDirectTask(in alreadyAddRefed_nsIRunnable event); + + /** + * Synchronously run any pending direct tasks queued. + */ + [noscript] void drainDirectTasks(); + + /** + * Returns true if any direct tasks are pending. + */ + [noscript] bool haveDirectTasks(); + + %{C++ + // Infallible version of the above. Will assert that it is successful. + bool HaveDirectTasks() { + bool value = false; + MOZ_ALWAYS_SUCCEEDS(HaveDirectTasks(&value)); + return value; + } + %} + +}; -- cgit v1.2.3