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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /xpcom/threads/nsIDirectTaskDispatcher.idl | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xpcom/threads/nsIDirectTaskDispatcher.idl')
| -rw-r--r-- | xpcom/threads/nsIDirectTaskDispatcher.idl | 57 |
1 files changed, 57 insertions, 0 deletions
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<nsIRunnable>); + +/* + * 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; + } + %} + +}; |