chromium/net/third_party/quiche/src/quiche/quic/core/quic_syscall_wrapper.h

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

#ifndef QUICHE_QUIC_CORE_QUIC_SYSCALL_WRAPPER_H_
#define QUICHE_QUIC_CORE_QUIC_SYSCALL_WRAPPER_H_

#include <sys/socket.h>
#include <sys/types.h>

#include "quiche/quic/platform/api/quic_export.h"

struct mmsghdr;
namespace quic {

// QuicSyscallWrapper is a pass-through proxy to the real syscalls.
class QUICHE_EXPORT QuicSyscallWrapper {};

// A global instance of QuicSyscallWrapper, used by some socket util functions.
QuicSyscallWrapper* GetGlobalSyscallWrapper();

// Change the global QuicSyscallWrapper to |wrapper|, for testing.
void SetGlobalSyscallWrapper(QuicSyscallWrapper* wrapper);

// ScopedGlobalSyscallWrapperOverride changes the global QuicSyscallWrapper
// during its lifetime, for testing.
class QUICHE_EXPORT ScopedGlobalSyscallWrapperOverride {};

}  // namespace quic

#endif  // QUICHE_QUIC_CORE_QUIC_SYSCALL_WRAPPER_H_