gecko-dev/netwerk/ipc/ChannelEventQueue.cpp

81 lines
2.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set sw=2 ts=8 et tw=80 :
*/
/* ***** 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
* The Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Josh Matthews <josh@joshmatthews.net> (initial developer)
* Jason Duell <jduell.mcbugs@gmail.com>
*
* 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 "nsIChannel.h"
#include "mozilla/net/ChannelEventQueue.h"
namespace mozilla {
namespace net {
void
ChannelEventQueue::FlushQueue()
{
// Events flushed could include destruction of channel (and our own
// destructor) unless we make sure its refcount doesn't drop to 0 while this
// method is running.
nsCOMPtr<nsIChannel> kungFuDeathGrip(mOwner);
// Prevent flushed events from flushing the queue recursively
mFlushing = true;
PRUint32 i;
for (i = 0; i < mEventQueue.Length(); i++) {
mEventQueue[i]->Run();
if (mSuspended)
break;
}
// We will always want to remove at least one finished callback.
if (i < mEventQueue.Length())
i++;
// It is possible for new callbacks to be enqueued as we are
// flushing the queue, so the queue must not be cleared until
// all callbacks have run.
mEventQueue.RemoveElementsAt(0, i);
mFlushing = false;
}
}
}