blob: 20ea876f27ef0ace7e879e07aa6de8c51f317e0a [file] [log] [blame]
// 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.
#include <lib/async/cpp/wait.h>
#include <lib/zircon-internal/thread_annotations.h>
#include <lib/zx/channel.h>
#include <memory>
#include <fbl/ref_ptr.h>
#include "async_loop_owned_rpc_handler.h"
struct zx_device;
struct ProxyIostate : AsyncLoopOwnedRpcHandler<ProxyIostate> {
explicit ProxyIostate(fbl::RefPtr<zx_device> device) : dev(std::move(device)) {}
// Creates a ProxyIostate and points |dev| at it. The ProxyIostate is owned
// by the async loop, and its destruction may be requested by calling
// Cancel().
static zx_status_t Create(const fbl::RefPtr<zx_device>& dev, zx::channel rpc,
async_dispatcher_t* dispatcher);
// Request the destruction of the proxy connection
// The device for which ProxyIostate is currently attached to should have
// its proxy_ios_lock held across CancelLocked().
// We must disable thread safety analysis because the lock is in |this->dev|,
// and Clang cannot reason about the aliasing involved.
void CancelLocked(async_dispatcher_t* dispatcher) TA_NO_THREAD_SAFETY_ANALYSIS;
static void HandleRpc(std::unique_ptr<ProxyIostate> conn, async_dispatcher_t* dispatcher,
async::WaitBase* wait, zx_status_t status,
const zx_packet_signal_t* signal);
const fbl::RefPtr<zx_device> dev;
namespace internal {
void proxy_ios_destroy(const fbl::RefPtr<zx_device>& dev);