zircon/system/core/devmgr/devcoordinator/devhost-loader-service.h

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#pragma once

#include <fbl/unique_fd.h>
#include <fbl/unique_ptr.h>
#include <lib/fdio/namespace.h>
#include <lib/zx/channel.h>
#include <loader-service/loader-service.h>

namespace devmgr {

// A loader service for devhosts that restricts access to dynamic libraries.
class DevhostLoaderService {
public:
    // Create a new loader service for devhosts. The |dispatcher| must have a
    // longer lifetime than |out|.
    static zx_status_t Create(async_dispatcher_t* dispatcher,
                              fbl::unique_ptr<DevhostLoaderService>* out);
    ~DevhostLoaderService();

    // Connect to the loader service.
    zx_status_t Connect(zx::channel* out);

    // Return the file descriptor for the root namespace of the loader service.
    const fbl::unique_fd& root() const { return root_; }

private:
    fbl::unique_fd root_;
    loader_service_t* svc_ = nullptr;
};

} // namespace devmgr