mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-28 19:38:13 +00:00
81 lines
2.9 KiB
Plaintext
81 lines
2.9 KiB
Plaintext
/* -*- 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 "nsIEventTarget.idl"
|
|
|
|
[scriptable, uuid(ef194cab-3f86-4b61-b132-e5e96a79e5d1)]
|
|
interface nsIThreadPoolListener : nsISupports
|
|
{
|
|
/**
|
|
* Called when a new thread is created by the thread pool. The notification
|
|
* happens on the newly-created thread.
|
|
*/
|
|
void onThreadCreated();
|
|
|
|
/**
|
|
* Called when a thread is about to be destroyed by the thread pool. The
|
|
* notification happens on the thread that is about to be destroyed.
|
|
*/
|
|
void onThreadShuttingDown();
|
|
};
|
|
|
|
/**
|
|
* An interface to a thread pool. A thread pool creates a limited number of
|
|
* anonymous (unnamed) worker threads. An event dispatched to the thread pool
|
|
* will be run on the next available worker thread.
|
|
*/
|
|
[scriptable, uuid(ba9a466b-8d4a-4b33-ae5c-6ed751068c90)]
|
|
interface nsIThreadPool : nsIEventTarget
|
|
{
|
|
/**
|
|
* Shutdown the thread pool. This method may not be executed from any thread
|
|
* in the thread pool. Instead, it is meant to be executed from another
|
|
* thread (usually the thread that created this thread pool). When this
|
|
* function returns, the thread pool and all of its threads will be shutdown,
|
|
* and it will no longer be possible to dispatch tasks to the thread pool.
|
|
*/
|
|
void shutdown();
|
|
|
|
/**
|
|
* Get/set the maximum number of threads allowed at one time in this pool.
|
|
*/
|
|
attribute unsigned long threadLimit;
|
|
|
|
/**
|
|
* Get/set the maximum number of idle threads kept alive.
|
|
*/
|
|
attribute unsigned long idleThreadLimit;
|
|
|
|
/**
|
|
* Get/set the amount of time in milliseconds before an idle thread is
|
|
* destroyed.
|
|
*/
|
|
attribute unsigned long idleThreadTimeout;
|
|
|
|
/**
|
|
* An optional listener that will be notified when a thread is created or
|
|
* destroyed in the course of the thread pool's operation.
|
|
*
|
|
* A listener will only receive notifications about threads created after the
|
|
* listener is set so it is recommended that the consumer set the listener
|
|
* before dispatching the first event. A listener that receives an
|
|
* onThreadCreated() notification is guaranteed to always receive the
|
|
* corresponding onThreadShuttingDown() notification.
|
|
*
|
|
* The thread pool takes ownership of the listener and releases it when the
|
|
* shutdown() method is called. Threads created after the listener is set will
|
|
* also take ownership of the listener so that the listener will be kept alive
|
|
* long enough to receive the guaranteed onThreadShuttingDown() notification.
|
|
*/
|
|
attribute nsIThreadPoolListener listener;
|
|
|
|
/**
|
|
* Set the label for threads in the pool. All threads will be named
|
|
* "<aName> #<n>", where <n> is a serial number.
|
|
*/
|
|
void setName(in ACString aName);
|
|
};
|