/* -*- 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 "nsISupportsImpl.h"

#include "mozilla/Assertions.h"

#ifdef MOZ_THREAD_SAFETY_OWNERSHIP_CHECKS_SUPPORTED

#include "nsThreadUtils.h"

#endif // MOZ_THREAD_SAFETY_OWNERSHIP_CHECKS_SUPPORTED

using namespace mozilla;

nsresult NS_FASTCALL

NS_TableDrivenQI(void* aThis, REFNSIID aIID, void** aInstancePtr,

                 const QITableEntry* aEntries)

{

  do {

    if (aIID.Equals(*aEntries->iid)) {

      nsISupports* r = reinterpret_cast<nsISupports*>(

        reinterpret_cast<char*>(aThis) + aEntries->offset);

      NS_ADDREF(r);

      *aInstancePtr = r;

      return NS_OK;

    }

    ++aEntries;

  } while (aEntries->iid);

  *aInstancePtr = nullptr;

  return NS_ERROR_NO_INTERFACE;

}

#ifdef MOZ_THREAD_SAFETY_OWNERSHIP_CHECKS_SUPPORTED

nsAutoOwningThread::nsAutoOwningThread()

  : mThread(GetCurrentVirtualThread())

{

}

void

nsAutoOwningThread::AssertCurrentThreadOwnsMe(const char* msg) const

{

  if (MOZ_UNLIKELY(!IsCurrentThread())) {

    // `msg` is a string literal by construction.

    MOZ_CRASH_UNSAFE_OOL(msg);

  }

}

bool

nsAutoOwningThread::IsCurrentThread() const

{

  return mThread == GetCurrentVirtualThread();

}

#endif