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construct/include/ircd/ios/asio.h

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// The Construct
//
// Copyright (C) The Construct Developers, Authors & Contributors
// Copyright (C) 2016-2020 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_IOS_ASIO_H
/// Forward declarations for boost::asio because it is not included here.
namespace boost::asio
{
struct io_context;
template<class function>
void asio_handler_invoke(function&, ...);
}
namespace ircd::ios
{
template<class function>
void asio_handler_deallocate(void *, size_t, handle<function> *);
template<class function>
void *asio_handler_allocate(size_t, handle<function> *);
template<class function>
bool asio_handler_is_continuation(handle<function> *);
template<class callable,
class function>
void asio_handler_invoke(callable &f, handle<function> *);
}
template<class callable,
class function>
inline void
ircd::ios::asio_handler_invoke(callable &f,
handle<function> *const h)
try
{
handler::enter(h);
boost::asio::asio_handler_invoke(f, &h);
handler::leave(h);
}
catch(...)
{
if(handler::fault(h))
handler::leave(h);
else
throw;
}
template<class function>
inline bool
ircd::ios::asio_handler_is_continuation(handle<function> *const h)
{
return handler::continuation(h);
}
template<class function>
inline void *
__attribute__((malloc, returns_nonnull, warn_unused_result, alloc_size(1)))
ircd::ios::asio_handler_allocate(size_t size,
handle<function> *const h)
{
return handler::allocate(h, size);
}
template<class function>
inline void
ircd::ios::asio_handler_deallocate(void *const ptr,
size_t size,
handle<function> *const h)
{
handler::deallocate(h, ptr, size);
}