mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-14 10:43:24 +00:00
118 lines
4.8 KiB
Plaintext
118 lines
4.8 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: */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Mozilla code.
|
|
*
|
|
* The Initial Developer of the Original Code is Google Inc.
|
|
* Portions created by the Initial Developer are Copyright (C) 2006
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Darin Fisher <darin@meer.net>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsIEventTarget.idl"
|
|
|
|
[ptr] native PRThread(PRThread);
|
|
|
|
/**
|
|
* This interface provides a high-level abstraction for an operating system
|
|
* thread.
|
|
*
|
|
* Threads have a built-in event queue, and a thread is an event target that
|
|
* can receive nsIRunnable objects (events) to be processed on the thread.
|
|
*
|
|
* See nsIThreadManager for the API used to create and locate threads.
|
|
*/
|
|
[scriptable, uuid(9c889946-a73a-4af3-ae9a-ea64f7d4e3ca)]
|
|
interface nsIThread : nsIEventTarget
|
|
{
|
|
/**
|
|
* @returns
|
|
* The NSPR thread object corresponding to this nsIThread.
|
|
*/
|
|
[noscript] readonly attribute PRThread PRThread;
|
|
|
|
/**
|
|
* Shutdown the thread. This method prevents further dispatch of events to
|
|
* the thread, and it causes any pending events to run to completion before
|
|
* the thread joins (see PR_JoinThread) with the current thread. During this
|
|
* method call, events for the current thread may be processed.
|
|
*
|
|
* This method MAY NOT be executed from the thread itself. Instead, it is
|
|
* meant to be executed from another thread (usually the thread that created
|
|
* this thread or the main application thread). When this function returns,
|
|
* the thread will be shutdown, and it will no longer be possible to dispatch
|
|
* events to the thread.
|
|
*
|
|
* @throws NS_ERROR_UNEXPECTED
|
|
* Indicates that this method was erroneously called when this thread was
|
|
* the current thread, that this thread was not created with a call to
|
|
* nsIThreadManager::NewThread, or if this method was called more than once
|
|
* on the thread object.
|
|
*/
|
|
void shutdown();
|
|
|
|
/**
|
|
* This method may be called to determine if there are any events ready to be
|
|
* processed. It may only be called when this thread is the current thread.
|
|
*
|
|
* Because events may be added to this thread by another thread, a "false"
|
|
* result does not mean that this thread has no pending events. It only
|
|
* means that there were no pending events when this method was called.
|
|
*
|
|
* @returns
|
|
* A boolean value that if "true" indicates that this thread has one or
|
|
* more pending events.
|
|
*
|
|
* @throws NS_ERROR_UNEXPECTED
|
|
* Indicates that this method was erroneously called when this thread was
|
|
* not the current thread.
|
|
*/
|
|
boolean hasPendingEvents();
|
|
|
|
/**
|
|
* Process the next event. If there are no pending events, then this method
|
|
* may wait -- depending on the value of the mayWait parameter -- until an
|
|
* event is dispatched to this thread. This method is re-entrant but may
|
|
* only be called if this thread is the current thread.
|
|
*
|
|
* @param mayWait
|
|
* A boolean parameter that if "true" indicates that the method may block
|
|
* the calling thread to wait for a pending event.
|
|
*
|
|
* @returns
|
|
* A boolean value that if "true" indicates that an event was processed.
|
|
*
|
|
* @throws NS_ERROR_UNEXPECTED
|
|
* Indicates that this method was erroneously called when this thread was
|
|
* not the current thread.
|
|
*/
|
|
boolean processNextEvent(in boolean mayWait);
|
|
};
|