Source code

Revision control

Copy as Markdown

Other Tools

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "LockManagerParent.h"
#include "LockRequestParent.h"
#include "mozilla/dom/Promise.h"
namespace mozilla::dom::locks {
mozilla::ipc::IPCResult LockRequestParent::Recv__delete__(bool aAborted) {
RefPtr<LockManagerParent> manager =
static_cast<LockManagerParent*>(Manager());
ManagedLocks& managed = manager->Locks();
DebugOnly<bool> unheld = managed.mHeldLocks.RemoveElement(this);
MOZ_ASSERT_IF(!aAborted, unheld);
if (auto queue = managed.mQueueMap.Lookup(mRequest.name())) {
if (aAborted) {
DebugOnly<bool> dequeued = queue.Data().RemoveElement(this);
MOZ_ASSERT_IF(!unheld, dequeued);
}
manager->ProcessRequestQueue(queue.Data());
if (queue.Data().IsEmpty()) {
// Remove if empty, to prevent the queue map from growing forever
queue.Remove();
}
}
// or else, the queue is removed during the previous lock release (since
// multiple held locks are possible with `shared: true`)
return IPC_OK();
}
} // namespace mozilla::dom::locks