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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/nsIThreadShutdown.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/nsIThreadShutdown.idl')
| -rw-r--r-- | xpcom/threads/nsIThreadShutdown.idl | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/xpcom/threads/nsIThreadShutdown.idl b/xpcom/threads/nsIThreadShutdown.idl new file mode 100644 index 0000000000..a08d64165b --- /dev/null +++ b/xpcom/threads/nsIThreadShutdown.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 "nsISupports.idl" + +interface nsIRunnable; + +/** + * Handle for the ongoing shutdown progress of a given thread which can be used + * to observe and interrupt async shutdown progress. Methods on this interface + * may generally only be used on the thread which called + * `nsIThread::beginShutdown`. + */ +[scriptable, builtinclass, uuid(70a43748-6130-4ea6-a440-7c74e1b7dd7c)] +interface nsIThreadShutdown : nsISupports +{ + /** + * Register a runnable to be executed when the thread has completed shutdown, + * or shutdown has been cancelled due to `stopWaitingAndLeakThread()`. + * + * If the thread has already completed or cancelled shutdown, the runnable + * may be executed synchronously. + * + * May only be called on the thread which invoked `nsIThread::beginShutdown`. + */ + void onCompletion(in nsIRunnable aEvent); + + /** + * Check if the target thread has completed shutdown. + * + * May only be accessed on the thread which called `nsIThread::beginShutdown`. + */ + [infallible] readonly attribute boolean completed; + + /** + * Give up on waiting for the shutting down thread to exit. Calling this + * method will allow the thread to continue running, no longer block shutdown, + * and the thread will never be joined or have its resources reclaimed. + * + * Completion callbacks attached to this `nsIThreadShutdown` may be executed + * during this call. + * + * This method should NOT be called except in exceptional circumstances during + * shutdown, as it will cause resources for the shutting down thread to be + * leaked. + * + * May only be called on the thread which called `nsIThread::beginShutdown` + * + * @throws NS_ERROR_NOT_AVAILABLE + * Indicates that the target thread has already stopped running and a + * request to be joined is already being dispatched to the waiting thread. + */ + void stopWaitingAndLeakThread(); +}; |