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/* -*- 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
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/StaticPtr.h"
#include "nsCOMPtr.h"
#include "Bits.h"
// This anonymous namespace prevents outside C++ code from improperly accessing
// these implementation details.
namespace {
extern "C" {
// Implemented in Rust.
void new_bits_service(nsIBits** result);
}
static mozilla::StaticRefPtr<nsIBits> sBitsService;
} // namespace
already_AddRefed<nsIBits> GetBitsService() {
nsCOMPtr<nsIBits> bitsService;
if (sBitsService) {
bitsService = sBitsService;
} else {
new_bits_service(getter_AddRefs(bitsService));
sBitsService = bitsService;
mozilla::ClearOnShutdown(&sBitsService);
}
return bitsService.forget();
}